Tabanidae of Canada, east of the Rocky Mountains 1: a ...

Return to start of key
Fig. 30. C. calvus
.
Fig. 32. C. carbonarius
Fig. 31. C. calvus Fig. 33. C. mitis
2(1) Wing with cell bm completely hyaline (Fig. 30); clypeus yellow without median pruinose stripe
(Fig. 31). 2 spp.
Wing with cell bm at least one-third infuscated (Fig. 32); clypeus black with yellow median
pruinose stripe (Fig. 33). 4 spp.
3
4