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Genus Sericoderus

corylophid - Sericoderus lateralis 1.25mm Beetle - Sericoderus Tiny beetle - Sericoderus Corylophidae, pronotum - Sericoderus Sericoderus specimen 1, dorsal - Sericoderus - male Sericoderus lateralis? - Sericoderus Beetle - Sericoderus lateralis Corylophid of sorts. - Sericoderus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Cucujiformia)
Superfamily Coccinelloidea
No Taxon (Coccinellid group)
Family Corylophidae (Minute Hooded Beetles)
Genus Sericoderus
Explanation of Names
Sericoderus Stephens 1829
5 species in our area(1)

Sericoderus debilis Casey (Sonoma Co., CA)
Sericoderus lateralis (Gyllenhal) (cosmopolitan)
Sericoderus obscurus LeConte (eastern US)
Sericoderus quadratus Casey (Monterey, CA)
Sericoderus subtilis LeConte (eastern US)
Approx. 1 mm or less
10 or 11 segmented antennae, basal pronotal angles acute and extending beyond base of pronotum.
One species cosmopolitan(2), other described species across most of NA(1)
Often found in decaying plant matter, such as compost or grass cuttings.
our only representative of the tribe Sericoderini Matthews 1888, that contains one more cosmopolitan genus(2)
Works Cited
1.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.
2.Phylogeny and classification of Corylophidae (Coleoptera: Cucujoidea) with descriptions of new genera and larvae
Ślipiński A., Tomaszewska W., Lawrence J.F. 2009. Systematic Entomology 34: 409–433.