Eubrianax
Kiesenwetter, 1874
water penny beetles
Species Guides
1- Eubrianax edwardsii(water penny beetle)
Eubrianax is a of water penny beetles ( Psephenidae) comprising approximately 12 described . The genus is known from Asia, with multiple species documented in Japan. Larvae are aquatic and inhabit running waters, where they cling to submerged rocks and other substrates. are short-lived and primarily terrestrial. The genus has been subject to taxonomic study using both morphological and molecular methods to distinguish cryptic species.
Pronunciation
How to pronounce Eubrianax: //juːˈbraɪənæks//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Images
Habitat
Mountain streams and running waters. Larvae are aquatic and cling to submerged rocks and other hard substrates in flowing water.
Distribution
Asia; documented from Japan (Honshu, Shikoku, Kyushu) and likely more broadly distributed across East and Southeast Asia given the -level diversity.
Seasonality
emerge in early summer (based on Japanese ).
Life Cycle
One-year with emerging in early summer (documented for Japanese E. granicollis and E. ramicornis). Larval and pupal stages are aquatic; adults are terrestrial.