NO. 1920. NEW BEES AND ICITXEUM0N-FLIE8—VIERECK. 623 



Type-locality. — Orono, Maine. 



Type.— Cat. No. 14720, U.S.N.M. 



A paratopotype has the autennae 21-jointed. 



This is the species referred to as Bracon sp.* 



HABROBRACON TETRALOPHiE. new species. 



Female. — Length, 2 mm.; antennae 23-jointed; rchited to H. 

 johannseni Vicreck from which it can bo distinguished by the stra- 

 mineous hind femora. 



Type-locality. — Lafayette, Indiana. 



Type.— Cat. No. 14720, U.S.N.M. 



Female paratopotype. — Essentially as in the type, .the abdomen 

 mostly black. Labeled, "Webster No. 6344, issued September 19, 

 1911, P. Luginbill, collector." 



HELCON CASTANEiE, new species. 



Female. — Length, 8.5 mm.; related to //. dentipes BruUe from 

 which it can be distinguished by the black antennae, thorax, pro- 

 podeum and fourth and followdng abdominal segments, and in the 

 almost mipunctate second dorsal segment. 



Type-locality. — Tryon, North Carolina. 



Typf.— Cat. No. 14722, U.S.N.]\r. 



Allotj^pe characters essentially as in the type. Specimens ex- 

 amined are from the type-locality and labeled, " Casfanea dentata, 

 W. F. Fiske, collector, with the following Ilopk. U. S. numbers: 

 3015/i., 30755r., 3055<7., 3014&., 3033j., and 14076." 



The pupa case is translucent testaceous, 11 mm. long, nearly 

 three times as long as wide in the middle, and membranous with 

 some free strands of silk. 



MACROCENTRUS CERASIVORAN.ffi;, new species. » 



Female. — Length, 8 mm.; mostly uniformly reddish; ocellar region 

 blackish; antennae mostly brownish, becoming blackish toward the 

 end, flagel 51-jointed; tliird joint of the maxillary palpi somewhat 

 shorter than the first joint of the flagel but more than half the 

 length of that joint; palpi, mouth and clypeus rather stramineous; 

 head a little wider than long; tegulae stramineous; wings almost 

 colorless, with a brownish cast, stigma brownish stramineous, veins 

 brownish; nervulus virtually interstitial or a little beyond the basal 

 vein; legs mostly reddish, the trochanters rather stramineous; abdo- 

 men sliining, with minute setigerous punctures; the first, second, and 

 third segments striate, the first segment rather sculptureless down 

 the middle on the basal half, the second depressed along the lateral 

 margin, the depression rather clavate in outline, the apical third 



> Bull. No. 195, Maine Agr. Exp. Station, Orono, Maine. 



