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

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Fig. 61. C. discalis
Fig. 62. C. fulvaster
13 (12) Frontal callus black, half width of frons (Fig. 59). Bifurcation at wing vein R4+5 with isolated
spot, cell bm hyaline, wing cell below stem vein hyaline (Fig. 61)
Frontal callus wider than high, suboval yellow to marginally black (Fig. 59). No spot at
bifurcation of R4+5, cell bm about one-third infuscated , wing cell below stem vein
infuscated (Fig. 62)
discalis
fulvaster