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

Return
to start
of key
Fig. 109. C. delicatulus
discal
cell
Fig. 111
C. aestuans,
C. callidus
facial callus
gena
Fig. 110. C. delicatulus Fig. 112. C. aestuans, C. callidus
31 (28) Lower half of crossband narrow so that discal cell is about one-half or more hyaline
(Fig. 109); facial callus & gena black (Fig. 110)
Crossband fills all of discal cell (Fig. 111); facial callus & gena yellow/orange. 2 spp. (Fig.
112)
delicatulus
32