Pelecorhynchid Fliesnot illus

Family Pelecorhynchidae

Identification: Similar to Tabanidae, but 2A somewhat S-shaped (straight or gently curved in Tabanidae), anal cell open (closed in Tabanidae), and eyes densely hairy (usually bare in Tabanidae).

The only U.S. member of this family is Bequaertomyia jonesi (Cresson), which occurs in the Pacific Coast states. This fly is 13-15 mm., black, with wings smoky and antennae and palps orange.

SNIPE FLIES Family Rhagionidae See also p. 261

Identification: Third antennal segment more or less rounded and bearing a long slender terminal style. Calypters small or vestigial. Venation normal.

Snipe flies are mostly 8-15 mm., with the abdomen somewhat tapering posteriorly, the legs long, and the head more or less rounded; some species have spots on the wings. Most are black or gray; some are black with a yellow mesonotum. Snipe flies are common, and generally occur in wooded areas or areas of fairly dense vegetation. Eastern species in this group do not bite, but some western species do. Larvae generally occur in decaying vegetation; some are aquatic.

TANGLE-VEINED FLIES Family Nemestrinidae

Identification: Venation peculiar, with most branches of M

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