Information on the hibernation of leptoglossus occidentalis heidemann, 1910 hemiptera. The western conifer seed bug, leptoglossus occidentalis, is an alien invasive species of north american origin. Based on body appearance and coi gene sequence, we report a leaffooted bug, leptoglossus occidentalis hemiptera. 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. Page designed through the cooperative efforts of interagency itis teams. Pdf leptoglossus occidentalis heidemann, 1910 is an. Adult bugs secreted a blend from the metathoracic glands that consisted of hexyl acetate, hexanal, hexanol, heptyl acetate, and octyl acetate ratio of. They are reddishbrown to a dark gray in color and light marking on abdominal margins 38 to 12 inches long. The coreid leptoglossus occidentalis is a nearctic bug responsible for severe seed losses to pine orchards. Information on the known distribution of the species, especially in the mediterranean region, is summarized. Download help leptoglossus occidentalis tsn 108343 taxonomy and nomenclature kingdom.
Uksi classification unranked biota kingdom animalia phylum arthropoda subphylum hexapoda class insecta order hemiptera family coreidae genus leptoglossus species leptoglossus occidentalis. Leptoglossus occidentalis coreidae nymph, molenhoek, the netherlands. Leptoglossus occidentalis was recorded for the first time in arsounmetn, lebanon in 2015. Leptoglossus occidentalis western conifer seed bug family. Apr 01, 20 leptoglossus occidentalis heidemann heteroptera, coreidae is native to western north america and is a serious pest for seed production of conifers.
Several species of leptoglossus and other coreids have foliaceous hind tibiae, which give rise to the common name. Leptoglossus occidentalis heidemann, 1910 is an invasive insect species. These bugs possess an enlarged hind tibia that is broad and flat. Coreidae is a nearctic leaf footed pine bug that has recently arrived in the uk figure 1. Files are available under licenses specified on their description page.
Heteroptera of concern to southern u florida department of. Several species example needed are economic pests of agricultural crops. The bug was first encountered in changwonsi, gyeongsangnamdo, korea in 2010, and then again in 2011. All structured data from the file and property namespaces is available under the creative commons cc0 license. Nota note detection of the invasive western conifer seed bug leptoglossus occidentalis heidemann, 1910 heteroptera. An unusually large aggregation of the western conifer seed. The first record on leptoglossus occidentalis hemiptera. The presence of the species in morocco is confirmed. Damage to common plumbing materials caused by overwintering. Western conifer seed bug leptoglossus occidentalis leptoglossus occidentalis adult d. It is native to the western part of north america and it has been.
General information about leptoglossus occidentalis leploc name language. 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. The western conifer seed bug, leptoglossus occidentalis heidemann 1910 hemiptera. They typically prefer warm climates and populations attempt to survive the cold northern winters by entering warm. Leptoglossus occidentalis, an insect native to north america, was inadvertently introduced into italy about 1999. The pest was accidentally introduced into europe in the 1990s. Leptoglossus zonatus feeds on the satsuma mandarin by inserting its piercingsucking mouthparts in the fruit and releasing a toxic substance. Leptoglossus is a genus of true bugs in the leaffooted bug family and the tribe anisoscelini. The western conifer seed bug is an occasional overwintering pest with a rapidly expanding geographical distribution. The upper abdomen is yellow to light orange in colour with 5 black crosswise patches. 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. Coreidae is a nearctic leaffooted pine bug that has recently arrived in the uk figure 1. The first record of leptoglossus occidentalis heidemann, 1910 in algeria is reported. Leptoglossus occidentalis ingar i slaktet leptoglossus och familjen bredkantskinnbaggar.
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. In its native north america, where it is commonly known as the western conifer seed bug. Author links open overlay panel dong eon kim heejo lee mi jeong kim young gyu ban. Species are distributed throughout the americas, with some records in eastern asia and europe mostly introductions. 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. Leaffooted bug, leptoglossus phyllopus linnaeus insecta. Coreidae occurrence, potential habitats, and coi diversity in south korea. First record of the western conifer seed bug, leptoglossus occidentalis heidemann, 1910 hemiptera, coreidae, from palestine. The western conifer seed bug leptoglossus occidentalis, sometimes abbreviated as wcsb, is a species of true bug hemiptera in the family coreidae. 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. In the field we have conducted observations and several individuals were collect. The western conifer seed bug, leptoglossus occidentalis is a large brown bug native to north america which has become established in britain since 2007. This page was last edited on 8 december 2014, at 02. It feeds on pines but causes no noticeable damage to garden trees.
Leptoglossus occidentalis in ukraine by ukrainska entomofaunistyka. 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. 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. Media in category leptoglossus occidentalis the following 85 files are in this category, out of 85 total. World distribution of leptoglossus occidentalis leploc. Leptoglossus occidentalis coreidae the leaffooted bug.
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. 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. Leptoglossus occidentalis 1 2 3 ar en insektsart som beskrevs av heidemann 1910. Like members of some other genera in the family, these bugs have leaflike. The pest w we use cookies to enhance your experience on our website. British columbia ministry of forests and range, tree improvement branch, saanichton, bc. When insect is not feeding, the feeding tube is carried between the base of the legs.
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 heidemann, 1910 references edit ahn, s. Western conifer seed bug leptoglossus occidentalis plant. Since then, seed loss has been recorded in pinus pinea l. New impact of the western conifer seed bug, leptoglossus occidentalis, on developing douglasfir seeds. Alarm pheromone system of the western conifer seed bug. Illustrated key for identification of the species included in the genus leptoglossus hemiptera.
Pdf first records of the invasive species leptoglossus. This research was conducted to improve understanding of how winter temperatures affect mortality of overwintering adult l. Alternatively, you can download the pdf file directly to your computer, from where it can be opened using a pdf reader. Cold tolerance and population dynamics of leptoglossus. Invasive species list and scorecards for california. The colonization of the entire european continent occurred in ca. An unusually large aggregation of the western conifer seed bug, leptoglossus occidentalis hemiptera. Western conifer seed bug leptoglossus occidentalis. These insects have piercing and sucking mouthparts.
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. A taxonomic genus within the family coreidae certain true bugs. The rapid spread of leptoglossus occidentalis in europe. Leptoglossus occidentalis, western conifer seed bug. Leptoglossus occidentalis western conifer seed bug hemiptera. Host egg age of leptoglossus occidentalis heteroptera. Coreidae, is a pest causing significant seed damage on many coniferous species. Coreidae in korea, a potential pest of the pinaceous tree species.
When disturbed, adults and nymphs emit a defensive secretion deemed an allomone. In californias san joaquin valley, feeding by the coreid pest, leptoglossus zonatus, can cause considerable economic loss on almond and pistachio. Assessing feeding damage from two leaffooted bugs, leptoglossus clypealis heidemann and leptoglossus zonatus dallas hemiptera. Leptoglossus occidentalis heidemann heteroptera, coreidae is native to western north america and is a serious pest for seed production of conifers. 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. Leptoglossus zonatus leptoglossus occidentalis lygaeidae blissus antillus dieuches armatipes dimorphopterus gibbus nysius huttoni and n. Scent gland apparatus in the western conifer seed bug. 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. Observe features distinguishing this insect as a hemipteran, i. Hosted by the usgs core science analytics and synthesis. Dec 18, 2019 first record of the western conifer seed bug, leptoglossus occidentalis heidemann, 1910 hemiptera, coreidae, from palestine. We should be alert against the species, because it is an important pest of pinaceae in europe.
Leptoglossus occidentalis coreidae the leaffooted bug insect. As a result, depending on the density, it causes fruit staining, premature fruit abortion, fruit weight loss and reduces soluble solids content. 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. Ground transportation of goods from coast to coast likely helped in spreading their range. Western conifer seed bug leptoglossus occidentalis plant pest. Adult the western conifer seed bug wcsb is approximately. Coreoidea coreidae leptoglossus leptoglossus occidentalis. The leptoglossus occidentalis heidemann was first found accidentally on the way of taking insect pictures at jungdong, uichanggu, changwonsi, gyeongsangnamdo, korea n 35 15. The insect damages the cones of conifer trees, especially pinus pinea italian stone pine. Anisoscelini, and descriptions of five new species and new. Leptoglossus occidentalis known as the leaffooted bug or the western conifer seed bug is considered a severe pest for seed orchards of conifers. To download the pdf, click the download link above. 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. Here we describe the gross morphology of the scent gland apparatus and the related evaporatory structures in nymphs and adults of l.
603 546 429 219 903 1197 1168 288 356 231 584 723 264 1318 228 1308 224 1482 467 1005 1095 670 1524 1113 148 163 241 321 1171 253 539 620 893 1093 632 607 1451 1266 249 93 365 425 881 553 679 662