Harpalus (Megapangus) caliginosus (Fabricius) 1775
Biology:
According to Lindroth (1968) found on open, usually sandy ground with sparse vegetation. The adults feed on Abrosia seeds, pollen, and other insects. These beetles are fully winged and fly; they are attracted to light. They were also observed running on the surface during the day (Larochelle, 1975a), and climbing vegetation to mate (Grunwald, pers. comm.). Only one example was collected on the Island in 1905 (HSB & EAS). There are no recent records. No teneral specimens seen. The single adult was collected in June. According to Lindroth (1968) adults hibernate. Total length, 17.5 to 25.5 mm (21.5).
Synonyms: Harpalus dux, Casey, 1924