NO. 22.] 



HYMENOPTERA OF CONNECTICUT. 



135 



Fig. 3. Pteronidea ribesi. Eggs. Twice natural size. 



I 



' I- -.-S3 '' * 



flMP^llllF Fig. 5. Pteronidea ribesi. 



Fig. 4. Pteronidea ribesi. Partially grown Fully grown larva. Natura 



larvae. Twice natural size. 



size. 



^ 





Fig. 6. Pteronidea ribesi.. 

 Cocoons. Natural size. 



Fig. 7. Pteronidea ribesi. Adult 

 female. About twice natural size. 



G P. militaris (Cresson). Nematus militaris Cresson. Pteronus 

 militaris Cresson. 



P. thoracica (Harrington). Nematus thoracicus Harrington. 

 Pteronus thoracicus Harrington. Larva feeds on shad-bush. 

 Hamden, 28 May, 191 1 (B. H. W.). 



