Plate LI 



Larvae and Pupae of Tahanidae and Leptidae 



Fig. 1. Chrysops vittatus, larva, dorsal view. 



Fig. 2. Tahanus stygius, larva, dorsal view. 



Fig. 3. Tahanvs airatns, larva, dorsal view. 



Fig. 4. The same, apex of pupa, caudal view. 



Fig. 5. Tahanus lineola, apex of pupa, caudal view. 



Fig. 6. The same, pupa, dorsal view. 



