Leaffooted bug, leptoglossus phyllopus linnaeus insecta. Leptoglossus occidentalis, an insect native to north america, was inadvertently introduced into italy about 1999. Cold tolerance and population dynamics of leptoglossus. A revision of the genus leptoglossus guerin hemiptera. World distribution of leptoglossus occidentalis leploc. Leptoglossus occidentalis was recorded for the first time in arsounmetn, lebanon in 2015. Files are available under licenses specified on their description page. The first record on leptoglossus occidentalis hemiptera. Leptoglossus occidentalis known as the leaffooted bug or the western conifer seed bug is considered a severe pest for seed orchards of conifers.
The pest w we use cookies to enhance your experience on our website. Coreidae a very large and spectacular squashbug which has characteristic expansions on the hind tibiae and a white zigzag mark across the centre of the forewings. They typically prefer warm climates and populations attempt to survive the cold northern winters by entering warm. We should be alert against the species, because it is an important pest of pinaceae in europe.
Download this pdf file the pdf file you selected should load here if your web browser has a pdf reader plugin installed for example, a recent version of adobe acrobat reader. Nota note detection of the invasive western conifer seed bug leptoglossus occidentalis heidemann, 1910 heteroptera. Observe features distinguishing this insect as a hemipteran, i. Leptoglossus occidentalis coreidae the leaffooted bug insect. The presence of the species in morocco is confirmed. The first record of leptoglossus occidentalis heidemann, 1910 in algeria is reported. Detection of leptoglossus occidentalis heidemann, 1910 heteroptera. Pdf leptoglossus occidentalis heidemann, 1910 is an.
Leptoglossus occidentalis coreidae the leaffooted bug. Apr 01, 20 leptoglossus occidentalis heidemann heteroptera, coreidae is native to western north america and is a serious pest for seed production of conifers. Coreidae is a nearctic leaf footed pine bug that has recently arrived in the uk figure 1. To download the pdf, click the download link above. Like members of some other genera in the family, these bugs have leaflike. Scent gland apparatus in the western conifer seed bug. As a result, depending on the density, it causes fruit staining, premature fruit abortion, fruit weight loss and reduces soluble solids content. Adult bugs secreted a blend from the metathoracic glands that consisted of hexyl acetate, hexanal, hexanol, heptyl acetate, and octyl acetate ratio of.
Alarm pheromone system of the western conifer seed bug. Page designed through the cooperative efforts of interagency itis teams. Leptoglossus occidentalis western conifer seed bug family. When disturbed, adults and nymphs emit a defensive secretion deemed an allomone. Leptoglossus is a genus of true bugs in the leaffooted bug family and the tribe anisoscelini. The western conifer seed bug, leptoglossus occidentalis heidemann 1910 hemiptera. This research was conducted to improve understanding of how winter temperatures affect mortality of overwintering adult l. Information on the known distribution of the species, especially in the mediterranean region, is summarized. Dec 18, 2019 first record of the western conifer seed bug, leptoglossus occidentalis heidemann, 1910 hemiptera, coreidae, from palestine. It is native to north america west of the rocky mountains california to british columbia, east to idaho and nevada but has in recent times expanded its range to eastern north america, to include maine, connecticut, and new. Here we describe the gross morphology of the scent gland apparatus and the related evaporatory structures in nymphs and adults of l. Franco, with respect to seed bug life stage and sex nymphs, adult females, and adult males and timing of feeding early, mid, and late season cone development. We investigated the effect of feeding by the western coniferseed bug, leptoglossus occidentalis heidemann, on seed production in developing cones of coastal douglasfir, pseudostuga menziesii mirb. Coreidae, is a pest causing significant seed damage on many coniferous species.
The upper abdomen is yellow to light orange in colour with 5 black crosswise patches. Oct 01, 2000 we investigated the effect of feeding by the western coniferseed bug, leptoglossus occidentalis heidemann, on seed production in developing cones of coastal douglasfir, pseudostuga menziesii mirb. Pinus pinea is also affected by diplodia pinea, a fungus native to italy, which is becoming an increasing threat because pine trees are becoming more susceptible to it as a. The leptoglossus occidentalis heidemann was first found accidentally on the way of taking insect pictures at jungdong, uichanggu, changwonsi, gyeongsangnamdo, korea n 35 15. They are reddishbrown to a dark gray in color and light marking on abdominal margins 38 to 12 inches long. These bugs possess an enlarged hind tibia that is broad and flat. If you would like more information about how to print, save, and work with pdfs, highwire press provides a helpful frequently asked questions about pdfs. Leptoglossus occidentalis heidemann heteroptera, coreidae is native to western north america and is a serious pest for seed production of conifers. The rapid spread of leptoglossus occidentalis in europe. When insect is not feeding, the feeding tube is carried between the base of the legs. Anisoscelini, and descriptions of five new species and new. Pdf first records of the invasive species leptoglossus. General information about leptoglossus occidentalis leploc name language.
The pest was accidentally introduced into europe in the 1990s. In its native north america, where it is commonly known as the western conifer seed bug. Bates1 department of entomology, new york state agricultural experiment station, cornell university, 630 west north street, geneva, new york 14456, united states of america bates496 the western conifer seed bug, leptoglossus occidentalis heidemann hemiptera. Franco, with respect to seed bug life stage and sex nymphs, adult females, and adult males and timing of feeding early, mid, and late season. The first record of leptoglossus occidentalis heidemann. The bug was first encountered in changwonsi, gyeongsangnamdo, korea in 2010, and then again in 2011.
British columbia ministry of forests and range, tree improvement branch, saanichton, bc. Leptoglossus occidentalis coreidae nymph, molenhoek, the netherlands. In the field we have conducted observations and several individuals were collect. The western conifer seed bug, leptoglossus occidentalis, an insect native of western north america, was first accidentally introduced to eastern north america and then to europe. Western conifer seed bugs originated on the west coast of the u. Based on body appearance and coi gene sequence, we report a leaffooted bug, leptoglossus occidentalis hemiptera.
Coreidae occurrence, potential habitats, and coi diversity in south korea. The western conifer seed bug, leptoglossus occidentalis, is an alien invasive species of north american origin. It is native to the western part of north america and it has been. It is native to north america west of the rocky mountains california to british columbia, east to idaho and nevada but has in recent times expanded its range to eastern north america, to include maine, connecticut, and new hampshire, and has. Pdf assessing feeding damage from two leaffooted bugs. Leptoglossus zonatus leptoglossus occidentalis lygaeidae blissus antillus dieuches armatipes dimorphopterus gibbus nysius huttoni and n. Several species example needed are economic pests of agricultural crops. Since then, seed loss has been recorded in pinus pinea l. Media in category leptoglossus occidentalis the following 85 files are in this category, out of 85 total. Leptoglossus occidentalis, western conifer seed bug. Adult the western conifer seed bug wcsb is approximately. Western conifer seed bug leptoglossus occidentalis plant pest. Several species of leptoglossus and other coreids have foliaceous hind tibiae, which give rise to the common name.
Download help leptoglossus occidentalis tsn 108343 taxonomy and nomenclature kingdom. The coreid leptoglossus occidentalis is a nearctic bug responsible for severe seed losses to pine orchards. Assessing feeding damage from two leaffooted bugs, leptoglossus clypealis heidemann and leptoglossus zonatus dallas hemiptera. Leptoglossus occidentalis 1 2 3 ar en insektsart som beskrevs av heidemann 1910. Western conifer seed bug leptoglossus occidentalis plant. In 2010 leptoglossus occidentalis was detected for the first time in portugal, a sucking insect that feeds on seeds of various species of conifers and can seriously affect the production of stone pine pinions. Author links open overlay panel dong eon kim heejo lee mi jeong kim young gyu ban. New impact of the western conifer seed bug, leptoglossus occidentalis, on developing douglasfir seeds. Coreidae in korea, a potential pest of the pinaceous tree species. The colonization of the entire european continent occurred in ca.
All structured data from the file and property namespaces is available under the creative commons cc0 license. The western conifer seed bug is an occasional overwintering pest with a rapidly expanding geographical distribution. Adult leptoglossus occidentalis resting on a conifer western conifer seed bug leptoglossus occidentalis background leptoglossus occidentalis heidemann hemiptera. Illustrated key for identification of the species included in the genus leptoglossus hemiptera. Alternatively, you can download the pdf file directly to your computer, from where it can be opened using a pdf reader. Hosted by the usgs core science analytics and synthesis. Leptoglossus occidentalis ingar i slaktet leptoglossus och familjen bredkantskinnbaggar. Invasive species list and scorecards for california. The western conifer seed bug leptoglossus occidentalis, sometimes abbreviated as wcsb, is a species of true bug hemiptera in the family coreidae. Leptoglossus occidentalis western conifer seed bug hemiptera. Leptoglossus occidentalis heidemann, 1910 is an invasive insect species.
Ground transportation of goods from coast to coast likely helped in spreading their range. Species are distributed throughout the americas, with some records in eastern asia and europe mostly introductions. In californias san joaquin valley, feeding by the coreid pest, leptoglossus zonatus, can cause considerable economic loss on almond and pistachio. An unusually large aggregation of the western conifer seed. It is indigenous to the western united states, southern british colombia, and northern mexico, and has been described as an invasive species in eastern north america, europe, and japan. A taxonomic genus within the family coreidae certain true bugs.
Leptoglossus zonatus feeds on the satsuma mandarin by inserting its piercingsucking mouthparts in the fruit and releasing a toxic substance. Damage to common plumbing materials caused by overwintering. Information on the hibernation of leptoglossus occidentalis heidemann, 1910 hemiptera. An unusually large aggregation of the western conifer seed bug, leptoglossus occidentalis hemiptera. Leptoglossus occidentalis heidemann, 1910 references edit ahn, s. The alarm pheromones for adult and nymphal western conifer seed bugs, leptoglossus occidentalis, were collected from the headspace volatiles of agitated bugs and from extracted adult thoraxes and nymphal abdomens. It feeds on pines but causes no noticeable damage to garden trees. Western conifer seed bug leptoglossus occidentalis.
Western conifer seed bug leptoglossus occidentalis leptoglossus occidentalis adult d. These insects have piercing and sucking mouthparts. Heteroptera of concern to southern u florida department of. Coreoidea coreidae leptoglossus leptoglossus occidentalis. First record of the western conifer seed bug, leptoglossus occidentalis heidemann, 1910 hemiptera, coreidae, from palestine. It is a native species of the western areas of north america, from mexico in the south to british columbia of canada in the north mcpherson et al 1990. May 25, 2018 the western conifer seed bug, leptoglossus occidentalis, an insect native of western north america, was first accidentally introduced to eastern north america and then to europe. Leptoglossus occidentalis in ukraine by ukrainska entomofaunistyka. The insect damages the cones of conifer trees, especially pinus pinea italian stone pine.
Host egg age of leptoglossus occidentalis heteroptera. This page was last edited on 8 december 2014, at 02. The western conifer seed bug, leptoglossus occidentalis is a large brown bug native to north america which has become established in britain since 2007. Uksi classification unranked biota kingdom animalia phylum arthropoda subphylum hexapoda class insecta order hemiptera family coreidae genus leptoglossus species leptoglossus occidentalis.
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