Rs. Durfee et Bc. Kondratieff, DESCRIPTION OF ADULTS OF LABIOBAETIS APACHE (EPHEMEROPTERA, BAETIDAE)WITH ADDITIONS AND CORRECTIONS TO THE INVENTORY OF COLORADO MAYFLIES, Entomological news, 108(2), 1997, pp. 97-101
Male and female adults of Labiobaetis apache are described from specim
ens collected in northwestern Colorado, USA. Biological notes for this
species are given and a key separating the male adults of the six Nor
th American species of Labiobaetis is provided. Additional Colorado di
stributions fort dardanus and Baetis notes are given. Cinygmula tarda
is reported for the first time in Colorado.