THE MOUNT DESERT REGION 429 



EuPLECTRUS "Westwood 



E. BicoLOR SwecL Bred from a green Noctuid on grass, July 



19 (Br.). 

 E. sp. S. W. Harbor, July 11. 



Ehicnopeltoidea Girault 



E. AMSTERDAMENSis Gir. Ex. LitJiocolletis corylisella (Br.). 



HoRiSMENUS Walker 



H. MiCROGASTER (Aslim.). Pars. on P. populiella June 16 (Br.). 

 H. LixivoRus Cwfd. Same as above. 



Zagrammosoma Ashmead 



Z. NiGROLiNEATA Cwfd. Bred from Arbor vitae leaf-miner 

 (Br.). 



Trichogramma Westwood 



T. MiNUTUM (Riley). Pars, on eggs of Pteronidea populi 

 Sept. (Br.). Also on P. nemorata July-Sept. 



Mymaridae 



Alaptus Haliday (in Westwood) 



A. CAECiLLi Girault. Bred July 31 (Br.). 



Psammocharidae. The Spider-hunting Wasps 

 Episyron Schiodte 



E. BiGUTTATUS Fab. Bar Harbor; Salisbury Cove; N. E. Har- 

 bor; Station F133, July 15-Aug. 21. It provisions its nest 

 with spiders (Epeira). 



E. QuiNQUENOTATus Say. S. W. Harbor; Salisbury Cove, Jul}^ 

 15-28. It provisions its nest with spiders (Epeira). 



