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Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

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Previous events


Species Eucinetus haemorrhoidalis

Plate-Thigh Beetle - Eucinetus haemorrhoidalis Eucinetid - Eucinetus haemorrhoidalis unknown beetle - Eucinetus haemorrhoidalis Eucinetus - Eucinetus haemorrhoidalis Eucinetus haemorrhoidalis (Germar) - Eucinetus haemorrhoidalis Coleoptera - Eucinetus haemorrhoidalis Eucinetus haemorrhoidalis? - Eucinetus haemorrhoidalis Tetratomidae? - Eucinetus haemorrhoidalis
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Elateriformia)
Superfamily Scirtoidea (Plate-thigh and Marsh Beetles)
Family Eucinetidae (Plate-thigh Beetles)
Genus Eucinetus
Species haemorrhoidalis (Eucinetus haemorrhoidalis)
Synonyms and other taxonomic changes
haemorrhous Duftschmid 1825, terminalis LeConte 1853 --see (1)
Explanation of Names
Eucinetus haemorrhoidalis (Germar 1818)
3-3.6 mm(2)

Det. E. G. Riley, 2010
adventive in NA and now transcontinental (north to NS-NT-BC) - Map (3)(4), native to Europe(5)
lowlands & piedmonts, usually on sandy & przepuszczalnych soils; larvae in soil, adults year-round under decaying plant material, detritus at fungus-infested roots, leaf litter, moss at tree bases, or under loose bark(6)
mostly: June-July (BG data)
larvae feed on subterranean fungi(6)
Life Cycle
adults overwinter(6)
Works Cited
1.Synopsis of adventive species of Coleoptera (Insecta) recorded from Canada. Part 4: Scarabaeoidea... [through Cleroidea]
Klimaszewski J, Langor D, Smith A, Hoebeke E, Davies A, Pelletier G, Douglas HB, Webster RP, Bourdon C, Borowiec L, Scudder GGE. 2017. Pensoft Series Faunistica 116: 1-215.
2.Lompe A. (2002-) Die Käfer Europas: Ein Bestimmungswerk im Internet
3.Checklist of beetles (Coleoptera) of Canada and Alaska. Second edition
Bousquet Y., Bouchard P., Davies A.E., Sikes D.S. 2013. ZooKeys 360: 1–402.
4.Global Biodiversity Information Facility (GBIF)
5.The Eucinetidae of the Maritime Provinces of Canada
Majka C.G. 2010. J. Acad. Ent. Soc. 6: 16-21.
6.Coleoptera Poloniae