Prosternon
Guides
Prosternon medianus
Click beetle
Prosternon medianus is a click beetle (Elateridae) species native to eastern North America. It is characterized by its elongated, parallel-sided body form and smooth, dark elytra with subtle pubescence. The species is associated with forested and riparian habitats where its larvae develop in decaying wood. Adults are active during spring and early summer, with activity peaking in May and June. The species is part of the diverse Prosternon genus, which contains approximately 15 species primarily distributed in the Holarctic region.
Prosternon mirabilis
Prosternon mirabilis is a click beetle species in the family Elateridae. The specific epithet 'mirabilis' (Latin for 'extraordinary' or 'wonderful') has been applied to multiple unrelated insect species across different orders, reflecting striking or unusual morphological characteristics. As a member of the subfamily Agrypninae, this species possesses the characteristic clicking mechanism that allows elaterid beetles to right themselves when overturned.