Plecoptera - Hesperoperla pacifica - Deschutes River Boat Ramp, Warm Springs, Jefferson County, Oregon, USA May 26, 2014
Mass emergence of these and at least one other species recently. Am I correct in thinking the larger individual is the female?
Contributed by Melissa Barton on 27 May, 2014 - 10:03am Last updated 27 May, 2014 - 11:34pm |