B 









^'^^/M 



Fig. g. — Diagrammatic representation of larval types : A and B, Profile and 

 dorsal views of the Dyarella-Hearlea type of larva. C and D, Dorsal and profile 

 views of the Simulmm-Lanea type of larva. 



Fig. id. — Submentum of larva. Ap., Apical teeth; VI., ventrolateral 



row of hairs. 



67 



