30G THE CANADIAN ENTOMOLOGIST 



first gonopods is shorter and is distally truncate, while the second 

 gonopods are more decidedly different. Canadensis is a darker 

 species which may be at once distinguished in both sexes from 

 the present one by the much longer and more strongly and 

 abruptly decurved spinous tip to the anal scutum. The wide 

 separation of the small repugnatorial pore from the suture is a 

 characteristic of importance. 



This species is represented in the collection by numerous 

 specimens. 



13. Polydesmus serratus Say. 

 Polydesmus canadensis Newport. 



This common Polydesmus is represented by numerous speci- 

 mens. 



14. Branneria carinatum Bollman. 



Two specimens; the first to be added to the few specimens jn 

 the collection of the author of the species. 



SOME NOTES ON PARASITISM OF CHRYSOPIDS IN 



SOUTH CAROLINA. 



BY E. A. MCGREGOR, 



Bureau of Entomology, Washington, D. C. 



In 1890 Dr. Howard published notes on "The Parasites of 

 the Hemerobiina?."* In this article the author records Telenomus 

 sp. as an egg parasite of "either Chrysopa or Hemerobius." As 

 secondary parasites reared from larvae or cocoons, | he mentions 

 Ilemiteles hemerobiicola Ashm., H. rufiventris Riley and Meso- 

 chorus (?) chrysopa Ashm. At that time Doctor Howard prophe- 

 sied that several species of the proctotrupid Helorus would eventu- 

 ally be found to be primary parasites of Chrysopids. This pre- 

 diction has been substantiated by the present writer's work. 

 Moreover, the two rearings of Isodromus iceryce at Batesburg, as 

 indicated in Table II, add additional proof to Dr. Howard's 



*Proc. Ent. Soc. of Wash., Vol. II, pp. 123-124. 



tSince first preparing this paper on Chrysopid parasites, all of which had 

 been bred from cocoons, we have been able to conduct some observations on 

 Chrysopid eggs. In all 93 eggs were collected, and from these were bred 7 

 parasites — all of the species Telenomus chrysopae Ashm. Computed on the 

 basis of 7 parasitized eggs out of 93, an estimated egg parasitism of 7.5% is 

 found to obtain. The total parasitism, then, from species issuing from the egg 

 (7.5%), and from species issuing from the cocoon (48.4%, is computed to be 

 about 55.9%. 



September, 1914 



