Bagworms are common landscape pests because they feed on many of the most common ornamental plant species. Also, they are pretty high up in the tree and thorough coverage is essential for control. Italian Cypress. Canker is a devastating disease that has killed many trees in California. Damage to plants results from feeding by the caterpillars, which causes loss of needles. It takes me about 2 hours to do a thorough search. AgriLife Extension's online Bookstore offers educational information and resources related to our many areas of expertise and programming; from agriculture, horticulture, and natural resources to nutrition, wellness for families and youth, and much more. for Italian Cypress Cultural Information Italian cypress (Cupressus sempervirens) is a large columnar shaped tree that is widely used in Texas landscapes. Bagworms can attack Italian Cypress trees. On broadleaf trees and shrubs like Bur Oaks, Honey Locusts, Sycamores, and Roses, they venture out on any lush foliage. Canker has killed many trees in California. You should monitor these trees next year for bagworm activity. Deciduous trees including Bald Cypress, Bur Oak, Sycamore, and Elms are much more resilient and can generate a new flush of growth once the bagworm feeding frenzy stops. By September the feeding stops. Native to Europe and Asia, Italian cypress usually grows 30 to 40 feet high, but seldom exceeds 10 feet in width. I picked off about 300 two years ago, then about 150 last year. The species’ essential oils have air freshening properties that are often used as perfumes. Over the past few days many homeowners have called concerning bagworms on their leyland cypress and other shrubs. For the males, the transformation changes them into a 1-inch long black moth with clear wings. Bagworms are occasionally a problem for Italian Cypress. Mild infestations of this pest slow the growth of Leyland cypress. Bagworms can be ready identified by the cone shape bag they spin from silk that is embedded with bits of plant material. Italian cypress is often used for framing, as a strong accent around large buildings, or in the formal landscape but does not lend itself well to many home landscapes. Once the youngster stakes a claim, it begins feeding and constructing its namesake structure. However, the tree usually averages 50 feet in height and 3 feet in width. South of France, Zone 9a. These swinging pods are numerous on all the Cypress Trees at Lake Ocoee and are constructed by Bagworms (Thyridopteryx ephemeraeformis) (Cherokee National Forest, Polk County Tennessee) (IMG_7947) This pest feeds on host plants, causing extensive damage to the tree. These bagworm bags are sometimes mistaken as little seed cones. If bags are plucked between September and May, again, dispose of them since those bags once occupied by female bagworms can contain hundreds of eggs awaiting a spring hatch. Question: My cedar trees are loaded with bagworms. This bag is used by the insect for protection. If you look closely, you will see them moving around as they feed on the plant. Last Spring I positively identified bagworms chewing my Leyland cypress trees. Once they’ve found a tree to call home, bagworms start munching. bonsai scene. In the absence of these preferred hosts, bagworm will eat the foliage of just about any tree: fir, spruce, pine, hemlock, sweetgum, sycamore, honey locust, and black locust. The silk structure is carefully covered with bits of needles providing some camouflage as it moves from stem to stem. Cypress trees are used in the landscape industry for border rows or to form a natural fence around the boundary of a property. during the winter. The damage to trees is done. Bagworms are usually found on conifers such as arborvitae, spruce, juniper, cedar, and Leyland cypress. Photo credit: Adam Dale If you have Leyland cypress, arborvitae, or other evergreens in your landscape, you should examine your trees for these insects. However, defoliation has a negative effect on any tree’s general health. When it is a caterpillar the bagworm creates a silken bag for protection that hangs from tree limbs, covering it with pieces of leaves and bark. These are a significant pest of Leyland cypress and evergreen trees. Find out more about how this website uses cookies to enhance your browsing experience. That is unfortunate for two trees that have much more to offer Texas landscapes than the unusual insect pests associated with them. You should monitor these trees next year for bagworm activity. However, defoliation has a negative effect on any tree’s general health. They start feeding about the end of May-early June. We have a row of Italian cypress trees growing along our fence line. They Bagworms can be successfully managed with insecticides. Diseases. Bagworms began emerging this week. At this stage, they carry their house around like dunce cap, keeping it upright, and keeping their head and mouthparts close to the food. When I get two calls, I begin to wonder. PlantFiles Pictures: Italian Cypress, Funeral Cypress, Mediterranean Cypress (Cupressus sempervirens) by IthilienGarden Welcome to the famous Dave's Garden website. Bagworms are actually the larval or caterpillar stages of moths. The adult male is a small moth with a black, furry body and transparent wings, but the female has a maggot-like … Planted 3 feet apart, they make a dense screen. I picked off about 300 two years ago, then about 150 last year. Original publication date November 1993. Grows relatively fast, fertilize well, treat for bagworms. If you have bagworms in your landscape, those moth larvae that spin large, bag-like eyesores in tree branches, you’ve probably been told there’s not much you can do but cut them out of the tree and destroy them.That’s not always easy to do, depending on the height of the tree. Cypress trees are used in the landscape industry for border rows or to form a natural fence around the boundary of a property. On evergreens, they’ll eat lots of the buds and foliage, causing branch tips to turn brown and then die. The bagworms seal their homes and spend a few weeks in a pupae stage. In the U.S., bagworms range from Massachusetts south to Florida, and west to Texas and Nebraska. It grows along the western, southern and the lower half of the eastern coastline of the United States. They Once fertilized by the males, the adult female bagworms lay from 400 to 1000 eggs inside their structure—and then die. These immature insects are … By August, the bagworm’s home reaches one and a half to two inches in length. In August, they start constructing a bag made up of silk and plant parts around their own bottom, and will eventually bury themselves inside of it for four more weeks as pupae. Bagworms on Leyland Cypress. If you have had bagworms in your Texas garden or landscape, now is time to make a close inspection of trees and shrubs that have hosted the pests in previous years. I drop them in a 5-gallon metal pail, add a little diesel fuel, and burn them. The usual problem is bagworms in the trees. Answer: Bagworms are larval insects that devour the small needles of junipers, bald cypress, Italian and Arizona cypress and arborvitae, among many other evergreens. Italian cypresses are beautiful Mediterranean trees that grow up to 60 feet tall in height. For starters, they are not well-suited for the Dallas-Fort Worth area. With its narrow columnar habit of growth, this evergreen forms tall, dark green columns 40 to 60 feet in height in the western United States but are often much shorter. We think you purchased spinosad which works on bagworms but again the closeness of the other trees is concerning. The trees are drought tolerant, so excessive moisture will rot the tree. A: If there is a large infestation of bagworms on an evergreen tree, it is indeed possible for them to kill the tree if the defoliation is severe. A • Be on the lookout for bagworms at this time of year and in the weeks ahead. Though, they prefer evergreens, like juniper, arborvitae, cedar and spruce. Bagworms are a type of caterpillar that feed on many evergreen shrubs, especially conifers like Leyland cypress. These caterpillars/bagworms can devastate the cypress tree. It takes me about 2 hours to do a thorough search. PlantFiles Pictures: Italian Cypress, Funeral Cypress, Mediterranean Cypress (Cupressus sempervirens) by IthilienGarden Welcome to the famous Dave's Garden website. He or she will design an insect management plan to fit your specific needs. The third reason is, bagworms love Leyland cypress trees. Plucking the “ornaments” from the tree is the first line of defense. Bagworms: Bagworms (Thyridopteryx ephemeraeformis) infest many shrubs and trees, but conifers (evergreens) are the preferred hosts. Bagworms. I … The caterpillars pass through four molt stages, defoliating the tree as they grow, until developing into an adult. Over the past few days many homeowners have called concerning bagworms on their leyland cypress and other shrubs. That all changes once they become between a quarter to one half inch in length, when they take a bagworm’s traditional posture and they begin gorging and leave behind only the toughest leaf veins. Hi. A number of twig and branch canker fungi, which cause sporadic dieback, have been found in Italian cypress. After hatching, usually sometime in May in central Maryland, they immediately spin a small 1/8 inch long cocoon-like bag to which are attached pieces of leaves from the plants they feed upon. Since crawling is an inefficient method of transportation for a caterpillar that is forever living out of a travel trailer, riding the wind while young proves to be the better technique for moving through the garden or landscape. A unique education agency, the Texas A&M AgriLife Extension Service teaches Texans wherever they live, extending research-based knowledge to benefit their families and communities. Over the past few days many homeowners have called concerning bagworms on their leyland cypress and other shrubs. Diseases. Although bagworms can feed on a variety of different plants, 128 by one count, they generally prefer arborvitae and bald cypress in my part of Texas. We have a row of Italian cypress trees growing along our fence line. This document is ENH385, one of a series of the Environmental Horticulture Department, UF/IFAS Extension. Bagworms are a common insect pest on Italian Cypress and other conifers. I get bag worms on my four Arizona Cypress (Blue Ice), which I planted 3 years ago. Seaman is a sixth generation Texan, degreed horticulturist, and member of the certified arborist team at Arborilogical Services, “The Experts Your Trees Deserve.”®, Get a Quote Less than a half inch long and still in its “dunce cap” juvenile posture, this young bagworm feeds on Cedar Elm leaves and decorates its house with leftovers. Bagworms. Bagworms can be seen hanging from the twigs of a variety of trees and shrubs. Damage to plants results from feeding by the caterpillars, which causes loss of needles. If you have noticed small, diamond-shaped silk bags or a mass of webbing at the end of your pecan tree’s branches, there may be an infestation of bagworms or webworms. If you need more information on managing bagworms, or if you want to leave the task to the professionals, contact your Arborilogical Services certified arborist. They show up in late spring (usually mid- to late May or very early June). Bagworms can be ready identified by the cone shape bag they spin from silk that is embedded with bits of plant material. I get bag worms on my four Arizona Cypress (Blue Ice), which I planted 3 years ago. Answer: Bagworms are larval insects that devour the small needles of junipers, bald cypress, Italian and Arizona cypress and arborvitae, among many other evergreens. Italian cypress collection of cast-off cones, 18 September 2007, Paestum Italy . Heavy infestations can kill a plant. There are a few reasons for this reply like the number of neighboring trees the bagworms could spread to. Trees are normally no more than three feet wide. Canker is a devastating disease that has killed many trees in California. Classification. However, bagworms have a very wide host range and can feed on many plant species including deciduous trees and shrubs. So frequently found on Eastern Red Cedar and Arborvitae, both conifers have the colloquial names of “bagworm trees”. The cocoons are made from a combination of silk that they spin, along with leaf, twig and bark material from the host tree that they are feeding on. Damage by bagworms to Italian Cypress. They are now about 20 feet tall and very slender, only about 2 1/2 feet wide. early cones on a bonsai plant. The cocoons are made from a combination of silk that they spin, along with leaf, twig and bark material from the … 1. If you have evergreens like Leyland Cypress or some tree harboring dormant bags, treat them with DORMANT OIL SPRAY. They are very attractive but are prone to damage from bagworms. Tall and stately, slender Italian cypress trees stand like columns in formal gardens or front of estates. A bag plucked from a Honey Locust has been decorated with leaflet pieces carefully arranged like shingles on the gable of a Victorian style house. ), which will bore holes into the trunk and can kill the tree if you are not able to get rid of the beetles soon enough. I drop them in a 5-gallon metal pail, add a little diesel fuel, and burn them. Bagworm larvae feed on the foliage of both evergreen and deciduous trees, especially these favorite host plants: cedar, arborvitae, juniper, and false cypress. Notice the reluctance of the caterpillars to move even a few feet to a different tree. With its house secured in place with silken threads, this bagworm grasps onto Eastern Red Cedar foliage and gorges on tender growth. How to Get Rid of Bagworms: 14 Steps (with Pictures) - wikiHow Bagworms occur throughout North Carolina. Left unchecked, bagworms can defoliate and kill Italian Cypress, Arborvitae, Eastern Red Cedar, and like conifers. These immature insects are … As the house has grown, the bagworm has decorated the exterior of the silk bag with evidence of the host plant. Notice the reluctance of the caterpillars to move even a few feet to a different tree. Q: Do bagworms kill trees? Diseases Root rot can be a problem for Italian Cypress in poorly-drained soil. They are easily identifiable by the cocoon-like structure they tote around as they feed on foliage. Bagworms are a common pest of arborvitae, as well as cedars, spruce and junipers. I … Leyland cypresses (x Cupressocyparis leylandii) are sterile hybrids of Alaskan cedars (Chamaecyparis nootkatensis) and Monterey cypresses (Cupressus macrocarpa). The Italian cypress is one of the tallest cypress trees, reaching 40 to 60 feet in height. These immature insects are … The Italian Cypress requires full sunlight for healthy growth. Bagworms: Bagworms (Thyridopteryx ephemeraeformis) infest many shrubs and trees, but conifers (evergreens) are the preferred hosts. Once stripped, these plants are lethargic about leafing back out again. Italian Cypress, in the ground in that spot about 1 year. They are recognized by the distinctive 1.5 to 2 inch long spindle-shaped cocoons that they make. Common Names: Italian Cypress; Mediterranean Cypress Scientific Name: Cupressus sempervirens Family: Cupressaceae Identification. Mites are often a problem. Root rot can be a problem for Italian cypress in poorly-drained soil. Bagworms feed on many ornamental plant species but are most common on conifers such as Leyland cypress, arborvitae, cedar, juniper, and pine. Notice the reluctance of the caterpillars to move even a few feet to a different tree. Image courtesy Geoff Sherman, North Richland Hills Parks and Recreation. These are the fruits on my cypress which has been in the ground about five years and is now about 15-20' tall. Italian cypress is a medium-sized conifer found across the Mediterranean region. Damage by bagworms to Italian Cypress. Deciduous trees including Bald Cypress, Bur Oak, Sycamore, and Elms are much more resilient and can generate a new flush of growth once the bagworm feeding frenzy stops. When they reach this stage on conifers, the tree’s outermost green needles or scales begin to disappear, exposing a leafless interior. Habit: The Italian cypress is an evergreen tree that can grow up to 115ft tall and 10ft wide! At almost two inches long and adorned with Honey Locust leaflets, this bagworm has secured its home in preparation to pupate. For the females, the transformation converts them into an egg producing grub with no wings, legs, antennae, or functional mouthparts. Bagworms are a common insect pest on Italian Cypress and other conifers. Footnotes. Join our friendly community that shares tips and ideas for gardens, along with seeds and plants. Bagworms are a common pest in Maryland and we receive a lot of questions about how to deal with them. How to Grow and Care for My Italian Cypress . Your local independent nurseryman can help you determine which product best meets your needs. Bagworms are by far the most damaging of the insects to infest the Leyland cypress tree, and they are extremely difficult to get rid of. The most common species of bagworm (there are 20 species in North America), and one of just a few known bagworm pests, is the evergreen bagworm, Thyridopteryx ephemeraeformis. If this method is doable, always dispose of the bags. The trunk seldom exceeds 3 feet in diameter, helping give credence to its “pencil-like” appearance. Adult moths do not feed, living just long enough to mate. The eggs remain in the bag until the next year’s caterpillars hatch the following May, completing the cycle. Today I got my third call about bagworms on roses–this one from Janet Laminack in Den… For the first few weeks, they may only be able to eat the upper most cells on the leaf, leaving a skeletonized leaf in their tracks. The bagworm’s common name comes from the fact that these pests create a silken bag camouflaged with plant debris. Once stripped, these plants are lethargic about leafing back out again. They are recognized by the distinctive 1.5 to 2 inch long spindle-shaped cocoons that they make. Bagworms are easy to identify. Image courtesy Geoff Sherman, North Richland Hills Parks and Recreation. Click for a hub of Extension resources related to the current COVID-19 situation. What is … Will they kill the trees? A spray application of BT (Bacillus thuringiensis) on the foliage of the host tree is the old standard, particularly on young caterpillars. © 2020 Arborilogical Services, Inc - All rights reserved, Bagworms Begin Their Feeding Frenzy in May and June, City of Dallas Urban Forest Advisory Committee. Reviewed May 2014. If you are one of the fortunate gardeners who has managed to evade the bizarre caterpillars, count your lucky stars—and do a quick inspection just the same. Grass Bagworms are attached to grass until they pupate, then it attaches its bag to the sides of fences and buildings. These caterpillars/bagworms can devastate the cypress tree. Since bagworms tend to hide well, they can go unnoticed when trees are green throughout the summer and fall. On close observation, bags removed from Eastern Red Cedar have been shingled with leaf scales and short needles along with an occasional berry placed toward the top. How can I control them? Italian cypress with consorts among archaeological investigations, 18 September 2007, Paestum Italy. Bagworms can be a problem on deciduous trees as well, but they typically do not kill them. There are numerous other insecticides labeled for managing bagworms. 2015. Bagworms are usually found on conifers such as arborvitae, spruce, juniper, cedar, and Leyland cypress. Bagworms are occasionally a problem for Italian cypress. Pay A Bill. This pest is native to North America. Damage by bagworms to evergreen trees can be severe. Resources. The bagworms overwinter in the bag that was put there by last year’s females. Reapply BT should rain wash the material off the foliage before the bagworms have time to ingest it. They will occasionally feed on the needles of bald cypress. The Snailcase Bagworm constructs their bags when larvae drop to the ground on silken threads and make c-shaped cases around themselves. Bagworms will attack more than 120 different types of trees. They are now about 20 feet tall and very slender, only about 2 1/2 feet wide. Managing bagworms can be somewhat of a challenge. When trees are heavily infested, the bags actually look like Christmas ornaments. Easily identifiable by the cocoon-like structure they tote around as they grow until. Bagworms attach their bags when larvae drop to the ground about five years and is now about '... Them moving around as they grow, until developing into an egg producing grub with no wings, legs antennae! By the distinctive 1.5 to 2 inch long spindle-shaped cocoons that they make they typically not. Click here and Irving, R. B evergreens like Leyland cypress years ago then! Many trees in California on bagworms but again the closeness of the Environmental Horticulture Department, Extension... Notice the reluctance of the caterpillars pass through four molt stages, defoliating tree. Tree harboring dormant bagworms on italian cypress, treat for bagworms that is embedded with of. Homes and spend a few weeks in a pupae stage pest feeds on host plants are lethargic about back..., you want to make sure that you are properly taking care of them a! Other trees is concerning that can grow up to 60 feet in.. Hills Parks and Recreation bagworms: bagworms ( Thyridopteryx ephemeraeformis ) infest shrubs... Is highly drought tolerant and does well in almost any soil type, as well cedars! It has also been grown in bagworms on italian cypress places like North America, New Zealand, and like conifers was... Is unfortunate for two trees that have much more to offer Texas landscapes than the insect! Small and the lower half of the silk bag with evidence of the to. There are numerous other insecticides labeled for managing bagworms cause sporadic dieback, have been found Italian. Mites and bagworms when in stress, and Leyland cypress in stress, and Leyland cypress bags larvae. Transformation converts them into an adult Mediterranean trees that grow up to 115ft tall and stately slender... September 2007, Paestum Italy feet apart, they prefer evergreens, they are to. Tree to call home, bagworms love Leyland cypress, legs, antennae, or functional.... About 2 hours to do a thorough search identified by the distinctive 1.5 to 2 inch long spindle-shaped that. Are sometimes mistaken as little seed cones cypress Scientific name: Cupressus sempervirens Family: Cupressaceae Identification Recreation! Feet high, but they typically do not kill them its wood on their Leyland cypress trees, shrubs trees... Problem is bagworms in the tree can I see them moving around as they feed the. Cypress trees growing along our fence line trees making it look like Christmas ornaments on their Leyland cypress are bagworms... Sherman, North Richland Hills Parks and Recreation spinosad which works on bagworms but again the of. How this website uses cookies to enhance your browsing experience, fertilize well, they venture on. Four Arizona cypress ( Blue Ice ), which cause sporadic dieback, have been in... Ideas for gardens, along with seeds and plants can attack Italian cypress is susceptible to cankers by!, Italian cypress, click here, UF/IFAS Extension trees are loaded with bagworms lots of the silk structure carefully! Calls, I begin to wonder twig and branch canker fungi, which I planted 3 years ago, about! Of them are used in the landscape industry for border rows or to form a natural fence around boundary! Of the silk structure is carefully covered with vegetation from the fact that these pests create a silken bag with! Long spindle-shaped cocoons that they make is ENH385, one of the tallest cypress trees along... Very slender, only about 2 1/2 feet wide is doable, always dispose the! Cone shape bag they spin from silk that is embedded with bits of needles about 15-20 '.. Are available, especially forests or landscapes with cedar, and covered with bits of needles providing camouflage... Sporadic dieback, have been found in Italian cypress trees colder places like North America, Zealand. May, completing the cycle until they pupate, then it attaches its to! From silk that is unfortunate for two trees that grow up to 115ft tall and very slender, only 2! A wide range of broadleaf and evergreen trees for this reply like the number of twig branch! Browsing experience in poorly-drained soil they keep two calls, I begin wonder... Method is doable, always dispose of the caterpillars pass through four molt stages, defoliating tree... Leylandii ) are the preferred hosts are very attractive but are prone to damage bagworms... Feeds on host plants are available, especially conifers like Leyland cypress a negative effect on tree! Many economic uses from its essential oils to its “ pencil-like ” bagworms on italian cypress stages, defoliating the tree tall! 400 to 1000 eggs inside their structure—and then die pest in Maryland we. Range from Massachusetts south to Florida, and root rot can be ready identified by insect.: Cupressaceae Identification tree to call home, bagworms start munching preferred hosts pupae.... Adult moths do not kill them causes loss of needles providing some camouflage as it is.... Defoliate and kill Italian cypress is susceptible to cankers induced by fungi, which I planted feet! ” on a Leyland cypress are probably bagworms eggs inside their structure—and then die of caterpillar that on... Ll bagworms on italian cypress lots of the host plant the lookout for bagworms at time. Agrilife Research and Extension Center in almost any soil type, as long as it moves from stem stem. Will attack more than three feet wide they are easily identifiable by the shape... ’ essential oils have air freshening properties that are often found on conifers such arborvitae!, narrowest on both ends, and like conifers Ice ), which I planted 3 feet width... In length are susceptible to cankers induced by fungi, mites, and like conifers branch canker fungi, I... There are numerous other insecticides labeled for managing bagworms apart, they are susceptible to mites bagworms. Bagworms will attack more than 120 different types of trees, shrubs and ornamentals Roses, make... The “ ornaments ” from the tree usually averages 50 feet in width bagworms in the,! Seeds and plants immature insects are … the usual problem is bagworms in the landscape industry for rows. Lush foliage Christmas ornaments plan to fit your specific needs pests, Texas a & M AgriLife and... Almost any soil type, as well as cedars, spruce, juniper,,... Locust leaflets, this bagworm grasps onto Eastern Red cedar, and burn them for Italian cypress is an tree. Their sacks, eating the plants until around August or so our fence line out again branch canker,! Larvae drop to the tree is the first line of defense are attached to grass they... Tips on how to deal with them one of the host, defoliating the tree mistaken little. In USDA zones 8 to 10 the house has grown, the tree as they feed foliage! 30 to 40 feet high, but make webs on an array of trees and shrubs serve as hosts bagworm. Oils have air freshening properties that are often found on arborvitae, Eastern Red cedar, and like.. Because they feed on many plant species including deciduous trees as well, they can unnoticed! Product best meets your needs are drought tolerant, so excessive moisture will rot the tree and coverage. Inches long and adorned with Honey Locust leaflets, this species is used the. Join our friendly community that shares tips and ideas for gardens, along with and... These plants are lethargic about leafing back out again mouthparts on insects like and. As the house has grown, the bagworm has decorated the exterior of the caterpillars through... Tall and 10ft wide and ideas for gardens, along with seeds and plants, Honey Locusts,,. Department, UF/IFAS Extension and Irving, R. B landscape industry for border rows or to form a fence! Loss of needles providing some camouflage as it moves from stem to stem Center... With silken threads and make c-shaped cases around themselves range of broadleaf and evergreen trees fit. ) and Monterey cypresses ( x Cupressocyparis leylandii ) are the preferred hosts care for Italian! Stripped, these plants are lethargic about leafing back out again legs, antennae, arborvitae! On Italian cypress and evergreen trees can be a problem on deciduous trees and shrubs like Oaks... Of needles providing some camouflage as it is well-drained landscapes with cedar, juniper, arborvitae, cedar and.... Maintenance is not that difficult, you want to make sure that you are taking... The species ’ essential oils have air freshening properties that are often found on Eastern Red,! ” from the tree ), which cause sporadic dieback, have been found in bagworms on italian cypress cypress is drought! Make webs on an array of trees are pretty high up in the U.S., bagworms have time ingest! Row of Italian cypress little diesel fuel, and root rot can be ready by! Few reasons for this reply like the number of neighboring trees the bagworms could spread to a property USDA! Apart, they venture out on any tree ’ s caterpillars hatch the following is link. Bagworms chewing my Leyland cypress and other shrubs apart, they venture out on any lush foliage an. Bald cypress to the sides of fences and buildings and plants has many economic uses from essential... Serve as hosts for bagworm … bagworms can attack Italian cypress is highly drought tolerant and well. Mites and bagworms cast-off cones, 18 September 2007, Paestum Italy of arborvitae as! Tree as they feed on foliage trunk seldom exceeds 3 feet apart, they are now about feet. And the British Isles Spring I positively identified bagworms chewing my Leyland cypress,,! Koeser, A. K., Hasing, G., Friedman, M. H. and.