0318. Immature stages of some eastern Nearctic Tabanidae (Diptera). IX. Chrysops beameri Brennan and Hybomitra trispila (Wiedemann).

Resumen

The larvae and pupae of two species of Tabanidae (Diptera), Chrysops beameri Brennan and Hybomitratrispila (Wiedemann), are described and illustrated, and their similarities and differences relative to similar species are discussed. Comments are also provided on the larval habitats and the other species of immature Tabanidae associated with larvae of each species.