608 



Pomona College Journal of Entomology 



Till- lar\a' wlit-ii fully developtd vary t'roiii oin-ciuartcr to nearly three- 

 quarters of an inch in length. They are dull hlack with bright orange or yellow 

 markings on the back. 



The pupa' are amber or reddi.sh brown with traii-sverse dark bands acros.s 

 the body and numerous dark spots on the dorsum. 



This is the most common form we have in the southern part of the State and 

 is a very important and helpful insect. It is being sent in great numbers by the 

 State Commission to the melon fields of Imperial County to prey upon the melon 

 aphis there as is also Cocrinclla calif orn'tca. 



Figure 200. Hippodamia convergens 

 A, adult: B, eggs; C, larva; D. pupa. 



Coccinella abdominalis Say. (Ashy Gray Ladybird) 

 (Figures 198 A and 201) 

 Gets its common name from its gray color. The following is a descrijjtion 

 .after Thos. Casey; 



"Broadlj' oval and strongly convex, very finely and obsoletely punctulate (the 

 side margins as in Cycloneda) ; upper surface pale brownish-yellow, the head pale 

 and immacul.-ite ; pronotum with a basal black spot at two-fifths from the middle 

 and a short transverse spot before the scutellum, also with two posteriorly con- 

 verging black spots at the center and .i narrow elongate spot on the median line 



