FIGURES 161‒164. Zapada fumosa. 161 in The Nemourinae (Insecta, Nemouridae) of the eastern Nearctic

FIGURES 161‒164. Zapada fumosa. 161, USA, Virginia, Lewis Fork, male terminalia, dorsal view; 162, USA, Virginia, Lewis Fork, epiproct, lateral view; 163, USA, Virginia, Lewis Fork, cervical gills, ventral view; 164, USA, Virginia, Lewis Fork, subgenital plate, ventral view. c = cercus, ds = dorsal sclerite, imb = inner medial branch, lb = lateral branch, ma = membranous area, mmb = medial medial branch, omb = outer medial branch, sgp = subgenital plate, vs = ventral sclerite.