No. 22.] HYMENOPTERA OF CONNECTICUT. 2l5 



2. Thorax laterally and beneath mostly brownish; abdomen 

 beyond pale segment dark brown; femora and tibiae partly 

 dark brown, otherwise colored much the same as incisa; 

 nearly 1.5 mm. long; male with sixth to tenth joints of 



flagel at least as long as thick pygmaea 



Head, thorax, and abdomen, except as already stated, practic- 

 ally entirely black; legs stramineous; otherwise colored 

 about as in pygntoea; exserted portion of ovipositor fully 

 ; two-thirds length of abdomen above or a little longer; 



length of body 1.5 mm. or a little longer (female) 



quinnipiacorum 



S. incisa Gahan. 



New Haven, 16 October, 1903 (H. L. V.). 



*S. pygmaea Viereck (new species). 



Type locality: New Haven, 4 July, 1905 (H. L. V.). 

 *S. quinnipiacorum Viereck (new species). 



Type locality : West Haven, 27 June, 1905 (H. L. V.). 



STEPHANID^. 



In this small family are some of the most curious of the Ich- 

 neumon flies or Ichneumonoidea. It seems to constitute a link 

 between the superfamily to which it belongs and the preceding 

 series of groups, or the Phytophaga. 



Key to Genera. 

 Abdomen, at least in female, subsessile, its first segment not 

 longer than the second; hind tarsi in female S-jointed; hind 



wings with closed cells Schlettererius p. 215 



Abdomen in both sexes petiolate, its first segment fully twice 

 as long as the second; hind tarsi in female 3-jointed, in 



male 5-jointed; hind wings without closed cells 



Stephanus p. 216 



Schlettererius Ashmead. 



°S. cinctipes Cresson. 



Length 14-19 mm. ; mostly black ; thorax partly pale in color ; 

 the following parts whitish or white : labrum, a narrow band at 

 base of all tibiae, and the apical third of the ovipositor and its 

 sheaths, except extreme tip of each ; remainder of the legs partly 

 stramineous, partly reddish ; wings pale fuscous toward tips and 

 with an angular subhyaline band commencing at the base of the 

 stigma, the apex of this band paler than the portion beneath the 



