Gonatocerus ( Gahanopsis ), 1834

Key to females of the described species of Gonatocerus ( Gahanopsis) View in CoL View at ENA

1 Funicle 7-segmented .................................................................................................................................................... 2

- Funicle 8-segmented .................................................................................................................................................... 3

2(1) F3 and F5 each with 3 mps and more or less subequal to F2, F4, F6, or F7 ( Fig. 163 View FIGURES 162, 163 ) ............................................................................................................................................................... G. ( Gahanopsis) deficiens (Ogloblin) comb. n.

- F3 and F5 without mps and much shorter than F2, F4, F6, or F7 ( Fig. 158 View FIGURES 158 – 161 )....................................................................................................................................................................................... G. ( Gahanopsis) arkadak Triapitsyn sp. n.

3(1) Forewing disc densely setose between marginal vein and cubital row of setae ( Fig. 153 View FIGURES 153 – 155 ); F3 usually with at least one mps; longest marginal seta a little more than 0.14x maximum wing width.... G. ( Gahanopsis) aethalionis (Ogloblin)

- Forewing disc with at least a small bare area between marginal vein and cubital row of setae; F3 without mps; longest marginal seta at least 0.3x maximum wing width ................................................................................................ 4

4(3) F4 without mps; clava about as long as combined length of F6–F8............ G. ( Gahanopsis) acanophorae (Ogloblin)

- F4 with 1 or 2 mps; clava about as long as combined length of F7 and F8............. G. ( Gahanopsis) pusilus Ogloblin