FIGURE 1 in A stonefly species extinct in Europe (Taeniopteryx araneoides Klapalek, 1902, Taeniopterygidae, Plecoptera) is thriving in the Irtysh River in West Siberia and North Kazakhstan

FIGURE 1. Taeniopteryx araneoides photographed at the Irtysh River in the Omsk centre: a—males on driftwood (two not fully mature with grey legs and a mature one with black legs), 29 iv 2006; b—female, 4 v 1979; c—attempt at mating of teneral male and a female with crumpled wings, 4 v 1979.