JOURNAL OF ENTOMOLOGY AND ZOOLOGY 241 



larval characters, serve very well to Indicate the genus, with enough 

 of the specific characters for ready recognition. The species may 

 be called 



Perrisia Stanley ae n. sp. (Cecidomyiidae) 



Gall: A swollen flower of Stanley a glaitca, containing many 

 pallid larvEe. The sepals are thickened and enlarged. 



Larva: With the skin strongly verrucose ; breastbone of the same 

 general type as that of P. fritcticola Kieffer; caudal end with strong 

 spines. 



Male : The characteristic genitalia and antennal joint are figured. 



