492 BIOLOGICAL sikvky OF 



KlMSYKON Scll'mdte 



B. biouttatus (Fab.). Bar Harbor; Salisbury Cove; X. E. 



Harbor; Station P133, July 15-Aug. 21. It provisions its 



nesl with spiders (Epeira). 

 E. quinquenotatus (Say). S. YV. Harbor; Salisbury Cove, 



July 15-28, II provisions its nest with spiders (Epeira). 



Ceropales Latreille 



('. fraterna Smith. Eden; Green Mt, July 23-25. The 

 species of the genus are parasitic in the nests of other gen- 

 era of the family. 



Chrysididae. The Gold or Cuckoo Wasps 



The members of this family live as social parasites in the 

 nests of the solitary wasps and bees. 



Elampus Spinola 



E. marginatus (Patton). Penikese July 13, Station F261. 



Omalus Jurine 



( ). laeviventris Cress. S. W. Harbor ; Salisbury Cove; Bar 

 Harbor, June 16-July 13. 



0. iridescens Nort. Has been recorded as the parasite of 

 the Stigmus and of Chrysis nitidula. Echo Lake; Bar Har- 

 bor, July 16-24. 



O. siNuosus (Say). Station F381. 



Holopyga Dahlbom 



H. aspera Brulle. Eden, July 24; Station F69. 

 H. ventralis (Say). Indian Point on flowers of wild fennel. 

 Station F260. 



Hedycridium Pcrrin 



II. dimidiatum (Say). Eden; S. W. Harbor; Chasm Brook, 

 Julv 23-29. 



