Hudsonian
Guides
Isogenoides frontalis
Hudsonian springfly
Isogenoides frontalis, known as the Hudsonian springfly, is a stonefly species in the family Perlodidae. It is one of several species in the genus Isogenoides found in North America. The species has been documented in the northern United States and Canada, including Michigan, Minnesota, Maine, and Manitoba. Research on the genus indicates that Isogenoides species exhibit complex vibrational communication (drumming) behaviors and extended egg diapause lasting up to several years.