Mesocapnia
Raušer, 1968
Mesocapnia is a of small winter stoneflies in the Capniidae. At least one , M. arizonensis, exhibits a specialized adapted to intermittent desert streams, with rapid development during wet periods and dormancy during dry phases. The genus was first described from Russia and has since been recorded from North America and China.
Pronunciation
How to pronounce Mesocapnia: //ˌmɛsoʊˈkæpniə//
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Habitat
Intermittent streams and temporary flowing waters in desert environments (documented for M. arizonensis). Other occur in cold-water stream typical of Capniidae.
Distribution
Siberia; Russian Far East; Alberta, Canada; Alaska, USA; Arizona, USA; Inner Mongolia Autonomous Region, China.
Life Cycle
At least one (M. arizonensis) exhibits rapid development and early instar growth during brief wet periods, followed by extended dormancy during dry phases—a 'hurry up and wait' strategy adapted to unpredictable intermittent stream conditions.
More Details
Taxonomic note
First described from Russia in 1968; first Chinese records reported in 2016 from Inner Mongolia.