The first record of leptoglossus occidentalis heidemann, 1910 in algeria is reported. Alarm pheromone system of the western conifer seed bug. 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. Coreidae is a nearctic leaf footed pine bug that has recently arrived in the uk figure 1. Leptoglossus occidentalis coreidae the leaffooted bug. Detection of leptoglossus occidentalis heidemann, 1910 heteroptera. 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.
The western conifer seed bug, leptoglossus occidentalis heidemann 1910 hemiptera. The pest w we use cookies to enhance your experience on our website. Anisoscelini, and descriptions of five new species and new. Observe features distinguishing this insect as a hemipteran, i.
Leptoglossus zonatus leptoglossus occidentalis lygaeidae blissus antillus dieuches armatipes dimorphopterus gibbus nysius huttoni and n. An unusually large aggregation of the western conifer seed bug, leptoglossus occidentalis hemiptera. 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. Leptoglossus occidentalis western conifer seed bug family.
Author links open overlay panel dong eon kim heejo lee mi jeong kim young gyu ban. The colonization of the entire european continent occurred in ca. In californias san joaquin valley, feeding by the coreid pest, leptoglossus zonatus, can cause considerable economic loss on almond and pistachio. They typically prefer warm climates and populations attempt to survive the cold northern winters by entering warm.
This page was last edited on 8 december 2014, at 02. 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. Leptoglossus occidentalis heidemann, 1910 is an invasive insect species. All structured data from the file and property namespaces is available under the creative commons cc0 license.
Illustrated key for identification of the species included in the genus leptoglossus hemiptera. First record of the western conifer seed bug, leptoglossus occidentalis heidemann, 1910 hemiptera, coreidae, from palestine. The insect damages the cones of conifer trees, especially pinus pinea italian stone pine. Host egg age of leptoglossus occidentalis heteroptera. 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. Uksi classification unranked biota kingdom animalia phylum arthropoda subphylum hexapoda class insecta order hemiptera family coreidae genus leptoglossus species leptoglossus occidentalis. An unusually large aggregation of the western conifer seed. The leptoglossus occidentalis heidemann was first found accidentally on the way of taking insect pictures at jungdong, uichanggu, changwonsi, gyeongsangnamdo, korea n 35 15. As a result, depending on the density, it causes fruit staining, premature fruit abortion, fruit weight loss and reduces soluble solids content. This research was conducted to improve understanding of how winter temperatures affect mortality of overwintering adult l. Coreidae, is a pest causing significant seed damage on many coniferous species.
Information on the known distribution of the species, especially in the mediterranean region, is summarized. Leptoglossus is a genus of true bugs in the leaffooted bug family and the tribe anisoscelini. These insects have piercing and sucking mouthparts. Leptoglossus occidentalis western conifer seed bug hemiptera. Cold tolerance and population dynamics of leptoglossus. 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. Western conifer seed bug leptoglossus occidentalis leptoglossus occidentalis adult d.
Coreidae occurrence, potential habitats, and coi diversity in south korea. Invasive species list and scorecards for california. Coreidae in korea, a potential pest of the pinaceous tree species. These bugs possess an enlarged hind tibia that is broad and flat. Species are distributed throughout the americas, with some records in eastern asia and europe mostly introductions. Heteroptera of concern to southern u florida department of. The pest was accidentally introduced into europe in the 1990s. When disturbed, adults and nymphs emit a defensive secretion deemed an allomone. Western conifer seed bugs originated on the west coast of the u. 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.
Leptoglossus zonatus feeds on the satsuma mandarin by inserting its piercingsucking mouthparts in the fruit and releasing a toxic substance. Like members of some other genera in the family, these bugs have leaflike. The western conifer seed bug leptoglossus occidentalis, sometimes abbreviated as wcsb, is a species of true bug hemiptera in the family coreidae. Scent gland apparatus in the western conifer seed bug. Leptoglossus occidentalis 1 2 3 ar en insektsart som beskrevs av heidemann 1910. Western conifer seed bug leptoglossus occidentalis. British columbia ministry of forests and range, tree improvement branch, saanichton, bc. Leptoglossus occidentalis coreidae the leaffooted bug insect. Page designed through the cooperative efforts of interagency itis teams. Pdf assessing feeding damage from two leaffooted bugs.
The upper abdomen is yellow to light orange in colour with 5 black crosswise patches. Leptoglossus occidentalis, western conifer seed bug. Damage to common plumbing materials caused by overwintering. Leptoglossus occidentalis ingar i slaktet leptoglossus och familjen bredkantskinnbaggar. Media in category leptoglossus occidentalis the following 85 files are in this category, out of 85 total. General information about leptoglossus occidentalis leploc name language. Leaffooted bug, leptoglossus phyllopus linnaeus insecta. We should be alert against the species, because it is an important pest of pinaceae in europe. Files are available under licenses specified on their description page. In its native north america, where it is commonly known as the western conifer seed bug. The western conifer seed bug, leptoglossus occidentalis is a large brown bug native to north america which has become established in britain since 2007. The western conifer seed bug is an occasional overwintering pest with a rapidly expanding geographical distribution.
Based on body appearance and coi gene sequence, we report a leaffooted bug, leptoglossus occidentalis hemiptera. The presence of the species in morocco is confirmed. The coreid leptoglossus occidentalis is a nearctic bug responsible for severe seed losses to pine orchards. 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. The rapid spread of leptoglossus occidentalis in europe. 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. The bug was first encountered in changwonsi, gyeongsangnamdo, korea in 2010, and then again in 2011. 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. Apr 01, 20 leptoglossus occidentalis heidemann heteroptera, coreidae is native to western north america and is a serious pest for seed production of conifers. 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.
Pdf leptoglossus occidentalis heidemann, 1910 is an. When insect is not feeding, the feeding tube is carried between the base of the legs. Download help leptoglossus occidentalis tsn 108343 taxonomy and nomenclature kingdom. Western conifer seed bug leptoglossus occidentalis plant. 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 leaffooted pine bug that has recently arrived in the uk figure 1. Coreoidea coreidae leptoglossus leptoglossus occidentalis. A revision of the genus leptoglossus guerin hemiptera. Nota note detection of the invasive western conifer seed bug leptoglossus occidentalis heidemann, 1910 heteroptera. Leptoglossus occidentalis heidemann, 1910 references edit ahn, s.
Leptoglossus occidentalis was recorded for the first time in arsounmetn, lebanon in 2015. Information on the hibernation of leptoglossus occidentalis heidemann, 1910 hemiptera. It is native to the western part of north america and it has been. Alternatively, you can download the pdf file directly to your computer, from where it can be opened using a pdf reader. Dec 18, 2019 first record of the western conifer seed bug, leptoglossus occidentalis heidemann, 1910 hemiptera, coreidae, from palestine. Leptoglossus occidentalis in ukraine by ukrainska entomofaunistyka. 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. To download the pdf, click the download link above. Leptoglossus occidentalis, an insect native to north america, was inadvertently introduced into italy about 1999. The first record of leptoglossus occidentalis heidemann. 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. 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. The western conifer seed bug, leptoglossus occidentalis, is an alien invasive species of north american origin. A taxonomic genus within the family coreidae certain true bugs.
The first record on leptoglossus occidentalis hemiptera. World distribution of leptoglossus occidentalis leploc. In the field we have conducted observations and several individuals were collect. Adult the western conifer seed bug wcsb is approximately. Leptoglossus occidentalis known as the leaffooted bug or the western conifer seed bug is considered a severe pest for seed orchards of conifers. Western conifer seed bug leptoglossus occidentalis plant pest. Hosted by the usgs core science analytics and synthesis. 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. 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. Leptoglossus occidentalis coreidae nymph, molenhoek, the netherlands. 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. Since then, seed loss has been recorded in pinus pinea l. Several species example needed are economic pests of agricultural crops.
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