Introduction. The name of each listed species is followed by up to five sources that report the species as occurring in Michigan. Sources in all upper-case letters refer to specific insect collections: MSU-ARC refers to material held by the Michigan State University Arthropod Research Collection (data provided by G. Parsons). All others refer to collection data extracted from the Symbiota Collections of Arthropods Network (SCAN) database online at https://scan-bugs.org/. See the Methods page for a list of abbreviations and associated collections.

HYDRAENIDAE

2 subfamilies, 2 tribes, 3 genera, 4 species

Subfamily Hydraeninae

Tribe Hydraenini

Hydraena angulicollis Notman, 1921: Bright (2015), Downie and Arnett (1996)

Hydraena pennsylvanica Kiesenwetter, 1849: Bright (2015), Hubbard and Schwarz (1878), Downie and Arnett (1996), MSU-ARC

Subfamily Ochthebiinae

Tribe Ochthebiini

Gymnochthebius nitidus (LeConte, 1850): Bright (2015), Hubbard and Schwarz (1878), Downie and Arnett (1996); holotype from MI

Ochthebius cribricollis LeConte, 1850: Bright (2015), Hubbard and Schwarz (1878), Downie and Arnett (1996)

This family list was last updated: November 23, 2022