4i»0 BIOLOGICAL sriiVKV OF 



Rhicnopeltoidea Girault 

 li. A.MSTERDAMENSIS < i i 1". Ex. />// h OCOl I <l is rart/Hselhi (Br.). 



Hobismenus Walker 



II. microgasteb Asluii. Pars, on P. populiella. 



H. lixivoims Cwfd. Same as above. 



Zagrammosoma Ashmead 



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

 (Br.). 



DiCLADOCERUS Westwood 



I), n. sp. Reared (Br.) ex Microlep. in white spruce ter- 

 minals. In U.S.N.M. eulophilus in a syn. ride Dalla Torre. 



Trichogrammatidae 



TRK HOGRAMMA Westwood 



T. mintjtum (Riley). Pars, on eg-gs of Pteronidea populi 

 Sept. Also on P. nemorata July-Sept. 



Mymaridae 



Alaptus Haliday 



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



Psammociiaridae. The Spider-hunting Wasps 

 Ageniella Banks 



A. nuniPENNis (Cress.). Bar Harbor, July 21. 



A. calcarata (Cress.). Salisbury Cove, July 15-Aug. 11. 



A. sp. Station F337. In ILS.N.M. 



Pseudagenia Kohl 



P. nanki.i.a Banks. X. E. Harbor, July 28 (Minot). 

 P. varitarsata Banks. X. E. Harbor; Salisbury Cove, July 

 8-26. 



