THE EARLY STAGES OF CERTAIN WEST AFRICAN MOSQUITOS. 



153 



Breeding place. — The larvae were found in a small pool covered with the water- 

 weed Pistia stratiotes (see Plate II, fig. 1) and were repeatedly obtained from the 

 same pool from February to July. With them were associated the following 

 larvae : — A. costalis, Aedeomyia africana, Culex quasigelidus and Mansonioides. 

 africanus. 



Fig. 8. Larva of Mimomyia splendens, Theo. ; head and end of abdomen ; 



a, mental plate. 



The larvae were very active in their movements, but when stationary lay practically 

 parallel with the surface of the water. They appeared to be definitely associated 

 with the weed Pistia stratiotes, as they were generally found under the leaves of this 

 plant. 

 (C394) c 



