Cosnania pensylvanica (Linne) 1767
Biology:
According to Lindroth (1969) found in dry open grassland; found near the Island by JDH "on mullein." I [Erwin] found one example in leaf litter at the edge of the Pond. These beetles are fully winged and fly; they are attracted to lights. Several examples were collected on the Island and adjacent Maryland shore between 1905 and the present (HSB, JCC, WLM, JDH, TLE). No teneral specimens seen. The adults were collected in February, March, May and July. Hibernation takes place as an adult. Total length, 5.8 to 7.2 mm (6.5).
Synonyms: Colliuris pensylvanica, Linne, 1767