Baetis



Baetis is a genus of mayflies of the family Baetidae, known as the blue-winged olive to anglers. There are at least 150 described species in Baetis. They are distributed worldwide, with the most variety in North America and northern Europe.

Selected species
About 48 species occur in Europe including:
 * Baetis alpinus
 * Baetis atrebatinus
 * Baetis bicaudatus
 * Baetis buceratus
 * Baetis cypronyx
 * Baetis fuscatus - type species (as Ephemera fuscata )
 * Baetis muticus
 * Baetis niger
 * Baetis rhodani
 * Baetis scambus
 * Baetis vernus