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Species Euglenes pygmaeus

Aderid - Euglenes pygmaeus - male Aderid - Euglenes pygmaeus - male
Classification
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 Cucujiformia)
Superfamily Tenebrionoidea (Fungus, Bark, Darkling and Blister Beetles)
Family Aderidae (Ant-like Leaf Beetles)
Tribe Euglenesini
Genus Euglenes
Species pygmaeus (Euglenes pygmaeus)
Explanation of Names
Euglenes pygmaeus (De Geer 1775)
Size
2.5-3 mm(1)
Range
native to, and widespread in Europe(2), adventive in NA
Habitat
larvae in dead, fungus-infested wood; adults on stumps/limbs, under loose bark, in rotten wood, humus, leaf litter at tree bases(2)
Season
overwinters as larvae; adults leave pupal cells during late May-June(2)
Remarks
within its native range, local and uncommon(2)
"Probably established. I have collected multiple female specimens, presumably of this species at lights over the course of a month last summer. Females (with shorter antennae) are usually extremely difficult/impossible to determine to species but the overall habitus, color, etc., strongly suggests that they are conspecific with the male pictured here." (Comment by Tim Loh)