HEMIPTERA. 



143 



Ltcaniiim olccB also occurs in conservatories, but it is very common in 

 the open air in California. Here it is a serious pest of the orange, 



.-t.Ptthinaria innumtrabilis. Female on grape, natural size. (From the Author's Report 



for 1880.) 



olive, and other trees. It is very convex and marked with promi- 

 nent ridges ( Plate V. i). Especially prominent are two transverse 

 ridges and a longitudinal one which frequently form a raised sun 

 of the form of a capital H. 



-.Ctrtfla ,,,it. adult and 



r 



larked: f>, adult female, enlarged. (From the. Au- 

 (Ho.) 





Adult female*, naiura 

 male enlarged. (From the A 

 Report for tMo.) 



This 



isd hcd from Lccanium only by 



