Trans. X.Z. Inst., Vol. LIU. 



Plate LI. 



Fig. 1. — Myiatropa campbelli a. sp. : adult female. X 3£. 

 Fig. 2. — Merodon equestris : adult male, x 4. 

 Fig. 3. — Eristali* tenax : adult male. X 4. 



Fnce p. 332.1 



