Leptoglossus occidentalis (western conifer-seed bug)

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Adult

Leptoglossus occidentalis (western conifer-seed bug); adult. Lakewood, Colorado, USA. (first detected in the UK during 2007 - http://www.britishbugs.org.uk/heteroptera/Coreidae/Leptoglossus_occidentalis.pdf)

©Joseph Berger/Bugwood.org - CC BY 3.0 US

Identity

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Preferred Scientific Name

Leptoglossus occidentalis Heidemann

Preferred Common Name

western conifer-seed bug

Taxonomic Tree

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Domain: Eukaryota
Kingdom: Metazoa
Phylum: Arthropoda
Subphylum: Uniramia
Class: Insecta
Order: Hemiptera
Suborder: Heteroptera
Family: Coreidae
Genus: Leptoglossus
Species: Leptoglossus occidentalis

Distribution Table

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The distribution in this summary table is based on all the information available. When several references are cited, they may give conflicting information on the status. Further details may be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report.

Last updated: 29 Apr 2021

Continent/Country/Region	Distribution	Origin	First Reported	Reference	Notes
Africa
Algeria	Present		2019	van der Heyden (2019) EPPO (2020)
Morocco	Present	Introduced	2015	Gapon (2015) CABI and EPPO (2018) van der Heyden (2019d) EPPO (2020)
South Africa	Present	Introduced	2020	van der Heyden and Faúndez (2020)
Tunisia	Present, Few occurrences	Introduced	2013	Jamâa et al. (2013) CABI and EPPO (2018) EPPO (2020)
Asia
Georgia	Present		2018	van der Heyden (2018) EPPO (2020)
Israel	Present		2019	CABI and EPPO (2018) van der Heyden (2019b) EPPO (2020)
Japan	Present, Few occurrences			CABI and EPPO (2018) EPPO (2020)
-Honshu	Present, Few occurrences			CABI and EPPO (2018) EPPO (2020)
Kazakhstan	Present		2018	Barclay and Nikolaeva (2018) EPPO (2020)
Lebanon	Present			Nemer (2015) CABI and EPPO (2018) Nemer et al. (2019) EPPO (2020)
Palestine	Present		2019	Handal and Qumsiyeh (2019) Handal and Qumsiyeh (2019a)
South Korea	Present			Ahn SooJeong et al. (2013) CABI and EPPO (2018)
Syria	Present, Few occurrences		2016	van der Heyden (2018a)	Golan Heights
Turkey	Present			Arslangündoğdu and Hızal (2010) Hızal (2012) CABI and EPPO (2018) EPPO (2020)
Europe
Albania	Present, Few occurrences		2018	van der Heyden (2018b) EPPO (2020)
Austria	Present			CABI and EPPO (2018) EPPO (2020)
Belgium	Present			CABI and EPPO (2018) EPPO (2020)
Bosnia and Herzegovina	Present			Protić and Stanković (2015) CABI and EPPO (2018) EPPO (2020)
Bulgaria	Present			CABI and EPPO (2018) EPPO (2020)
Croatia	Present, Localized			EPPO (2020) CABI and EPPO (2018)
Cyprus	Present		2019	van der Heyden and Zettel (2019) EPPO (2020)
Czechia	Present			CABI and EPPO (2018) EPPO (2020)
Denmark	Present			CABI and EPPO (2018) EPPO (2020)
Finland	Present		2018	van der Heyden (2020) Heyden (2020)
France	Present, Localized			CABI and EPPO (2018) EPPO (2020)
-Corsica	Present			CABI and EPPO (2018) EPPO (2020)
Germany	Present			CABI and EPPO (2018) EPPO (2020)
Greece	Present, Localized			CABI and EPPO (2018) EPPO (2020)
-Crete	Present, Localized		2015	van der Heyden (2017) CABI and EPPO (2018) EPPO (2020)
Guernsey	Present			EPPO (2020)
Hungary	Present			CABI and EPPO (2018) EPPO (2020)
Ireland	Present, Localized			CABI and EPPO (2018) EPPO (2020)
Isle of Man	Present			NBN Atlas (2019)
Italy	Present			CABI and EPPO (2018) EPPO (2020)
-Sardinia	Present			EPPO (2020) CABI and EPPO (2018)
-Sicily	Present			CABI and EPPO (2018) EPPO (2020)
Jersey	Present			EPPO (2020)
Liechtenstein	Present			EPPO (2020)
Lithuania	Present			Karalius and Karaliūtė (2019)
Luxembourg	Present			Schneider (2010) CABI and EPPO (2018) EPPO (2020)
Malta	Present			Sciberras and Sciberras (2010) CABI and EPPO (2018) EPPO (2020)
Moldova	Present			EPPO (2020) CABI and EPPO (2018)
Monaco	Present			Ponel et al. (2011) EPPO (2020)
Montenegro	Present			CABI and EPPO (2018) EPPO (2020)
Netherlands	Present			CABI and EPPO (2018) EPPO (2020)
North Macedonia	Present			Kulijer (2016) CABI and EPPO (2018) EPPO (2020)
Norway	Present			CABI and EPPO (2018) EPPO (2020)
Poland	Present			CABI and EPPO (2018) EPPO (2020)
Portugal	Present			CABI and EPPO (2018) EPPO (2020)
Romania	Present			CABI and EPPO (2018) Chireceanu et al. (2017) EPPO (2020)
Russia	Present, Localized			CABI and EPPO (2018) Gapon (2012) EPPO (2020)
-Russia (Europe)	Present			Golub et al. (2020)
-Southern Russia	Present			CABI and EPPO (2018) EPPO (2020)
Serbia	Present			CABI and EPPO (2018) EPPO (2020)
Slovakia	Present			CABI and EPPO (2018) EPPO (2020)
Slovenia	Present, Localized			EPPO (2020) CABI and EPPO (2018)
Spain	Present			CABI and EPPO (2018) EPPO (2020)
-Balearic Islands	Present			CABI and EPPO (2018) van der Heyden (2019c) EPPO (2020)
Sweden	Present			Lindelöw and Bergsten (2012) CABI and EPPO (2018) EPPO (2020)
Switzerland	Present, Localized			EPPO (2020) CABI and EPPO (2018)
Ukraine	Present			Gapon (2012) CABI and EPPO (2018) EPPO (2020)
United Kingdom	Present			CABI and EPPO (2018) EPPO (2020)
-Channel Islands	Present			CABI and EPPO (2018)
-England	Present, Localized			EPPO (2020)
-Northern Ireland	Present, Localized			CABI and EPPO (2018)
-Scotland	Present, Localized			CABI and EPPO (2018)
North America
Canada	Present			CABI and EPPO (2018) EPPO (2020)
-Alberta	Present			CABI and EPPO (2018) EPPO (2020)
-British Columbia	Present			CABI and EPPO (2018) EPPO (2020)
-New Brunswick	Present			CABI and EPPO (2018) EPPO (2020)
-Nova Scotia	Present			CABI and EPPO (2018) EPPO (2020)
-Ontario	Present			CABI and EPPO (2018) EPPO (2020)
-Quebec	Present			EPPO (2020) CABI and EPPO (2018)
-Saskatchewan	Present			CABI and EPPO (2018) EPPO (2020)
Costa Rica	Present	Introduced	2019	van der Heyden (2019a) EPPO (2020)
Guatemala	Present			van der Heyden (2020a)
Mexico	Present			CABI and EPPO (2018) EPPO (2020)
United States	Present			CABI and EPPO (2018) EPPO (2020)
-Alabama	Absent, Invalid presence record(s)			EPPO (2020)
-Arizona	Present			CABI and EPPO (2018) EPPO (2020)
-California	Present			CABI and EPPO (2018) EPPO (2020)
-Colorado	Present			CABI and EPPO (2018) EPPO (2020)
-Connecticut	Present			CABI and EPPO (2018) EPPO (2020)
-Idaho	Present			CABI and EPPO (2018) EPPO (2020)
-Illinois	Present			CABI and EPPO (2018) EPPO (2020)
-Indiana	Present			CABI and EPPO (2018) EPPO (2020)
-Iowa	Present			CABI and EPPO (2018) EPPO (2020)
-Kansas	Present			CABI and EPPO (2018) EPPO (2020)
-Maine	Present			CABI and EPPO (2018) EPPO (2020)
-Massachusetts	Present			CABI and EPPO (2018) EPPO (2020)
-Michigan	Present			CABI and EPPO (2018) EPPO (2020)
-Minnesota	Present			CABI and EPPO (2018) EPPO (2020)
-Montana	Present			CABI and EPPO (2018) EPPO (2020)
-Nebraska	Present			CABI and EPPO (2018) EPPO (2020)
-New Hampshire	Present			CABI and EPPO (2018) EPPO (2020)
-New Mexico	Present			CABI and EPPO (2018) EPPO (2020)
-New York	Present			CABI and EPPO (2018) EPPO (2020)
-North Dakota	Present			CABI and EPPO (2018) EPPO (2020)
-Oregon	Present			CABI and EPPO (2018) EPPO (2020)
-Pennsylvania	Present			CABI and EPPO (2018) EPPO (2020)
-Rhode Island	Present			CABI and EPPO (2018) EPPO (2020)
-Texas	Present			CABI and EPPO (2018) EPPO (2020)
-Utah	Present			CABI and EPPO (2018) EPPO (2020)
-Vermont	Present			EPPO (2020)
-Washington	Present			CABI and EPPO (2018) EPPO (2020)
-Wisconsin	Present			CABI and EPPO (2018) EPPO (2020)
-Wyoming	Present			CABI and EPPO (2018) EPPO (2020)
South America
Argentina	Present	Introduced	2017	Kun and Masciocchi (2019) EPPO (2020)
Brazil	Present	Introduced	2020	van der Heyden and Faúndez (2020)
Chile	Present, Localized	Introduced	2017	CABI and EPPO (2018) Faundez et al. (2018) EPPO (2020)
Uruguay	Present	Introduced	2019	Faúndez and Silvera (2019) EPPO (2020)

Host Plants and Other Plants Affected

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Plant name	Family	Context
Abies concolor (Rocky Mountain white fir)	Pinaceae	Other
Cedrus libani (cedar of Lebanon)	Pinaceae	Other
Juniperus excelsa (eastern savin)	Cupressaceae	Other
Pinus (pines)	Pinaceae	Unknown
Pinus brutia (brutian pine)	Pinaceae	Other
Pinus contorta var. latifolia (Lodgepole pine)	Pinaceae	Unknown
Pinus halepensis (Aleppo pine)	Pinaceae	Other
Pinus monticola (western white pine)	Pinaceae	Unknown
Pinus mugo (mountain pine)	Pinaceae	Unknown
Pinus nigra (black pine)	Pinaceae	Other
Pinus pinea (stone pine)	Pinaceae	Other
Pinus ponderosa (ponderosa pine)	Pinaceae	Unknown
Pinus radiata (radiata pine)	Pinaceae	Other
Pinus resinosa (red pine)	Pinaceae	Unknown
Pistacia vera (pistachio)	Anacardiaceae	Other
Pseudotsuga menziesii (Douglas-fir)	Pinaceae	Unknown
Tsuga canadensis (eastern hemlock)	Pinaceae	Unknown

References

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Nemer, N., El Khoury, Y., Noujeim, E., Zgheib, Y., Tarasco, E., van der Heyden, T., 2019. First records of the invasive species Leptoglossus occidentalis Heidemann (Hemiptera: Coreidae) on different coniferous species including the cedars of Lebanon. Revista Chilena de Entomología, 45(4), 507-513. https://www.biotaxa.org/rce/article/view/57525/56945

van der Heyden, T., 2019. New data on the biology and distribution of Leptoglossus occidentalis Heidemann, 1910 (Hemiptera: Heteroptera: Coreidae: Coreinae: Anisoscelini). Arquivos Entomolóxicos, 21, 31-32. http://www.aegaweb.com/arquivos_entomoloxicos/ae21_2019_van_der_heyden_new_data_biology_distribution_leptoglossus_occidentalis_hemiptera_coreidae.pdf

van der Heyden, T., 2019. Summarized data on the European distribution of Leptoglossus occidentalis Heidemann (Heteroptera: Coreidae: Coreinae: Anisoscelini). Revista Chilena de Entomología, 45(3), 499-502. https://www.biotaxa.org/rce/article/view/57271/54112

Distribution References

Ahn SooJeong, Son DaeYoung, Choo HoYul, Park ChungGyoo, 2013. The first record on Leptoglossus occidentalis (Hemiptera: Coreidae) in Korea, a potential pest of the pinaceous tree species. Journal of Asia-Pacific Entomology. 16 (3), 281-284. http://www.sciencedirect.com/science/article/pii/S1226861513000368 DOI:10.1016/j.aspen.2013.04.001

Arslangündoğdu Z, Hızal E, 2010. The Western Conifer Seed Bug, Leptoglossus occidentalis (Heidemann, 1910), recorded in Turkey (Heteroptera: Coreidae). Zoology in the Middle East. 138-139.

Barclay M, Nikolaeva S, 2018. Arrival in Kazakhstan of Leptoglossus occidentalis (Hemiptera: Heteroptera: Coreidae); a North American invasive species expands 2,500 kilometres to the east. In: Klapalekiana, 54 1-3.

CABI, EPPO, 2018. Leptoglossus occidentalis. [Distribution map]. In: Distribution Maps of Plant Pests, Wallingford, UK: CABI. map 741 (1st revisio. DOI:10.1079/DMPP/20183202725

CABI, Undated. CABI Compendium: Status as determined by CABI editor. Wallingford, UK: CABI

Chireceanu C, Teodoru A, Chiriloaie A, 2017. New invasive insect pests recently reported in Southern Romania. Scientific Papers - Series B, Horticulture. 461-467. http://horticulturejournal.usamv.ro/pdf/2017/Art68.pdf

EPPO, 2020. EPPO Global database. In: EPPO Global database, Paris, France: EPPO. https://gd.eppo.int/

Faundez E I, Rocca J R, Villablanca J, 2018. On the establishment of the western conifer seed bug Leptoglossus occidentalis Heidemann (Heteroptera: Coreidae) in Chile. Revista Chilena de Entomología. 44 (2), 207-210. https://www.biotaxa.org/rce/article/view/39352/33565

Faúndez EI, Silvera M, 2019. On the presence of the Western Conifer Seed Bug Leptoglossus occidentalis Heidemann (Heteroptera: Coreidae) in Uruguay. In: Revista Chilena de Entomología, 45 (4) 549-551. https://www.biotaxa.org/rce/article/view/57522/56942

Gapon D A, 2012. First records of the western conifer seed bug Leptoglossus occidentalis Heid. (Heteroptera, Coreidae) from Russia and Ukraine, regularities in its distribution and possibilities of its range expansion in the Palaearctic Region. Ėntomologicheskoe Obozrenie. 91 (3), 559-568.

Gapon DA, 2015. First record of Leptoglossus occidentalis (Heteroptera: Coreidae) in Morocco. In: Heteropterus Revista de Entomología, 12 (2) 161-163.

Golub V B, Aksenenko E V, Soboleva V A, Kornev I I, 2020. New data on the distribution of the tropical bed bug Cimex hemipterus and the western conifer seed bug Leptoglossus occidentalis (Heteroptera: Cimicidae, Coreidae) in the European part of Russia. Russian Journal of Biological Invasions. 11 (2), 97-100. DOI:10.1134/S2075111720020046

Handal E N, Qumsiyeh M B, 2019. First Record of the Western Conifer Seed Bug, Leptoglossus occidentalis Heidemann, 1910 (Hemiptera, Coreidae), from Palestine. Jordan Journal of Biological Sciences. 12 (5), 657-658.

Handal E N, Qumsiyeh M B, 2019a. First record of the western conifer seed bug, Leptoglossus occidentalis heidemann, 1910 (Hemiptera, Coreidae), from Palestine. Jordan Journal of Biological Sciences (JJBS). 12 (5), 657-658. http://jjbs.hu.edu.jo/files/vol12/n5/Binder12n5.pdf

Heyden T van der, 2020. First records of Leptoglossus occidentalis Heidemann (Heteroptera: Coreidae: Coreinae: Anisoscelini) in Finland. Revista Chilena de Entomología. 46 (1), 73-74. DOI:10.35249/rche.46.1.20.09

Hızal E, 2012. Two invasive alien insect species, Leptoglossus occidentalis (Heteroptera: Coreidae) and Cydalima perspectalis (Lepidoptera: Crambidae), and their distribution and host plants in Istanbul province, Turkey. Florida Entomologist. 95 (2), 344-349. http://www.fcla.edu/FlaEnt/ DOI:10.1653/024.095.0216

Jamâa M L B, Mejri M, Naves P, Sousa E, 2013. Detection of Leptoglossus occidentalis Heidemann, 1910 (Heteroptera: Coreidae) in Tunisia. African Entomology. 21 (1), 165-167. http://journals.sabinet.co.za/essa DOI:10.4001/003.021.0105

Karalius S, Karaliūtė A, 2019. First record of the invasive western conifer seed bug Leptoglossus occidentalis (Heteroptera, Coreidae) in Lithuania. Lietuvos entomologų draugijos darbai. 3 (31), 17-18.

Kulijer D, 2016. Leptoglossus occidentalis (Heteroptera: Coreidae) and Harmonia axyridis (Coleoptera: Coccinellidae), two new invasive alien species for insect fauna of Macedonia. In: Ecologica Montenegrina, 5 22-25.

Kun ME, Masciocchi M, 2019. First detection of the cosmopolitan invader Leptoglossus occidentalis Heidemann (Heteroptera: Coreidae) in Argentina. In: An Acad Bras Cienc, 91 e20180493. http://dx.doi.org/10.1590/0001-3765201920180493

Lindelöw Ǻ, Bergsten J, 2012. The invasive western conifer seed bug, Leptoglossus occidentalis (Heteroptera: Coreidae), established in Sweden. (Stor skönhet frǻn Nordamerika med smak för barrträdskottar: Leptoglossus occidentalis (Heteroptera: Coreidae) en ny bredkantskinnbagge i Sverige.). Entomologisk Tidskrift. 133 (1/2), 55-58. http://www.sef.nu/

NBN Atlas, 2019. Occurrence records. Leptoglossus occidentalis. NBN Atlas [Online database]., https://records.nbnatlas.org/ occurrences/search?q=lsid%3ANHMSYS0020476639&radius=7.5&lat=54.34214886448 341&lon=-4.383544921875#tab_recordsView

Nemer N, 2015. Report on insect pests associated with conelet losses and their management in Pinus pinea forests in Lebanon., Rome, Italy: FAO. 45 pp.

Nemer N, Khoury Y E, Noujeim E, Zgheib Y, Tarasco E, Heyden T van der, 2019. First records of the invasive species Leptoglossus occidentalis Heidemann (Hemiptera: Coreidae) on different coniferous species including the cedars of Lebanon. Revista Chilena de Entomología. 45 (4), 507-513. https://www.biotaxa.org/rce/article/view/57525

Ponel P, Fadda S, Lemaire J-M, Matocq A, Cornet M, Pavon D, 2011. (Arthropodes de la Principauté de Monaco. Coléoptères, Hétéroptères. Aperçu sur les Fourmis, les Isopodes et les Pseudoscorpions. MONACOBIODIV. Rapport final - 1er février 2011.)., Monte Carlo, Monaco: Fondation Prince Albert II de Monaco. Principauté de Monaco, Direction de l’Environnement. Conservatoire Botanique National Méditerranéen Porquerolles. imep. Monte Carlo. 100 pp.

Protić L, Stanković M, 2015. New research on the fauna of Heteroptera in Bosnia-Herzegovina. Acta Entomologica Serbica. 20 (1), 13-28. http://aes.bio.bg.ac.rs/index.php/aes/article/view/54/pdf_22

Schneider N, 2010. (Découverte de Leptoglossus occidentalis Heidemann, 1910 et redécouverte de Lygaeus equestris (L., 1758) au Luxembourg). In: Bulletin de la Société des naturalistes luxembourgeois, 111 115-116.

Sciberras A, Sciberras J, 2010. Additions to the Heteroptera Fauna of the Maltese Islands. (Hemiptera,Heteroptera, Coreidae). Central Mediterranean Naturalist. 5 (2), 50-54.

van der Heyden T, 2017. Leptoglossus occidentalis Heidemann, 1910 (Hemiptera: Heteroptera: Coreidae: Coreinae: Anisoscelini) has reached the Greek island of Crete. Arquivos Entomolóxicos. 185-187. http://www.aegaweb.com/arquivos_entomoloxicos/ae18_2017_van_der_heyden_leptoglossus_occidentalis_hemiptera_coreidae_crete_greece.pdf

van der Heyden T, 2018. New data on the distribution of Leptoglossus occidentalis Heidemann (Heteroptera: Coreidae: Coreinae: Anisoscelini), including the first record of the species in Georgia. Revista Chilena de Entomología. 44 (4), 433-435. https://biotaxa.org/rce/article/view/42579/36265

van der Heyden T, 2018a. First record of Leptoglossus occidentalis Heidemann, 1910 (Hemiptera: Heteroptera: Coreidae: Coreinae: Anisoscelini) in the Golan Heights. Revista gaditana de Entomología. 9 (1), 1-3. https://biotaxa.org/RGDE/article/view/35594

van der Heyden T, 2018b. First record of Leptoglossus occidentalis Heidemann (Heteroptera: Coreidae: Coreinae: Anisoscelini) in Albania. Revista Chilena de Entomología. 44 (3), 355-356. https://www.biotaxa.org/rce/article/view/41252/35123

van der Heyden T, 2019. First record of Leptoglossus occidentalis Heidemann, 1910 (Heteroptera: Coreidae: Coreinae: Anisoscelini) in Algeria. Revista gaditana de Entomología. X (1), 159-161. https://ia601506.us.archive.org/10/items/rgevolx159161.firstrecordofleptoglossusoccidentalisinalgeria/RgE%20vol%20X%2C%20159-161.%20First%20record%20of%20Leptoglossus%20occidentalis%20%20in%20Algeria.pdf

van der Heyden T, 2019a. First record of Leptoglossus occidentalis Heidemann (Heteroptera: Coreidae: Coreinae: Anisoscelini) in Costa Rica. Revista Chilena de Entomología. 45 (1), 51-53. https://www.biotaxa.org/rce/article/view/45598/39335

van der Heyden T, 2019b. Leptoglossus occidentalis Heidemann (Heteroptera: Coreidae: Coreinae: Anisoscelini) in Israel. Revista Chilena de Entomología. 45 (3), 435-437. https://biotaxa.org/rce/article/view/56529/50593

van der Heyden T, 2019c. Recent records of Leptoglossus occidentalis Heidemann, 1910 on the Balearic Islands (Spain) (Hemiptera: Heteroptera: Coreidae: Coreinae: Anisoscelini). Arquivos Entomoloxicos. 193-194. http://www.aegaweb.com/arquivos_entomoloxicos/ae21_2019_van_der_heyden_recent_records_leptoglossus_occidentalis_balearic_islands_hemiptera_coreidae.pdf

van der Heyden T, 2019d. New data on the biology and distribution of Leptoglossus occidentalis Heidemann, 1910 (Hemiptera: Heteroptera: Coreidae: Coreinae: Anisoscelini). Arquivos Entomolóxicos. 31-32. http://www.aegaweb.com/arquivos_entomoloxicos/ae21_2019_van_der_heyden_new_data_biology_distribution_leptoglossus_occidentalis_hemiptera_coreidae.pdf

van der Heyden T, 2020. First records of Leptoglossus occidentalis Heidemann (Heteroptera: Coreidae: Coreinae: Anisoscelini) in Finland. Revista Chilena de Entomología. 46 (1), 73-74. https://doi.org/10.35249/rche.46.1.20.09

van der Heyden T, 2020a. First record of Leptoglossus occidentalis Heidemann, 1910 in Guatemala (Hemiptera, Heteroptera, Coreidae). Boletín de la Asociación española de Entomología. 44 (1-2), 213-214. http://www.entomologica.es/index.php?d=publicaciones&num=76&w=1803&ft=1

van der Heyden T, Faúndez EI, 2020. First records of Leptoglossus occidentalis Heidemann, 1910 (Hemiptera: Heteroptera: Coreidae) in Brazil and South Africa. Boletín del Museo Nacional de Historia Natural del Paraguay. 24 (1), 28-30. http://www.mades.gov.py/wp-content/uploads/2020/06/24128-30_202062_vanderHeyden_occidentalis.pdf

van der Heyden T, Zettel H, 2019. First record of Leptoglossus occidentalis Heidemann, 1910 (Heteroptera: Coreidae) from Cyprus. Zeitschrift der Arbeitsgemeinschaft Österreichischer Entomologen. 177-178.

Distribution Maps

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Invasive Species Compendium

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Leptoglossus occidentalis
(western conifer-seed bug)

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