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Species Glischrochilus quadrisignatus - Four-spotted Sap Beetle

Representative Images

Four-spotted Sap Beetle - Glischrochilus quadrisignatus Glischrochilus quadrisignatus? - Glischrochilus quadrisignatus Glischrochilus quadrisignatus? - Glischrochilus quadrisignatus Black and Cream Fungus Beetle? - Glischrochilus quadrisignatus Glischrochilus quadrisignatus - Four-spotted Sap Beetle - Glischrochilus quadrisignatus Four-spotted Sap Beetle, Glischrochilus quadrisignatus? - Glischrochilus quadrisignatus Glischrochilus quadrisignatus, I think - Glischrochilus quadrisignatus Pennsylvania Beetle - Glischrochilus quadrisignatus

Classification

Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Cucujiformia)
Superfamily Cucujoidea
No Taxon (Nitidulid series)
Family Nitidulidae (Sap-feeding Beetles)
Subfamily Cryptarchinae
Genus Glischrochilus
No Taxon (subgenus Librodor)
Species quadrisignatus (Four-spotted Sap Beetle)

Other Common Names

Picnic Beetle, Beer Bug

Explanation of Names

Glischrochilus quadrisignatus (Say 1835)

Size

4.0‒7.0 mm(1)

Range

transcontinental (NF‒FL‒TX to BC‒UT)(2)(3); adventive and widespread in Europe

Remarks

attracted by the odor of fermenting fruits and vegetables; fly into beer or soft drinks

Works Cited

1.An annotated checklist of Wisconsin sap and short-winged flower beetles (Coleoptera: Nitidulidae, Kateretidae)
Price M.B., Young D.K. 2006. Insecta Mundi 20: 69‒84.
2.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.
3.Beetles of Eastern North America
Arthur V. Evans. 2014. Princeton University Press.
Contributed by Robin McLeod on 11 January, 2005 - 5:24pm
Additional contributions by cotinis, Bbarnd, Mike Quinn, v belov, roar
Last updated 15 May, 2025 - 8:37am

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