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

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Fig. 99. C. callidus
Fig. 100. C. montanus
27 (20) Apical spot of uniform width, usually covering no more than apical third of vein R4 (Fig. 99)
(rarely covering apical half in some pudicus). 6 spp.
Apical spot not of uniform width, widening to cover more than one-half of vein R4 (Fig. 100). 8
spp.
28
33