No. 22.] HYMENOPTERA OF CONNECTICUT. 20/ 



*M. quinnipiacorum Viereck (new species). 



Black color of abdomen confined to the first dorsal segment; 



head and thorax above partly black, mostly brown ; abdomen pale 



brown. 



Type locality: New Haven, 6 July, 1904 (H. L. V.). 



*M. podunkorum Viereck (new species). 

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



*M, nawaasorum Viereck (new species). 

 Head and thorax above mostly brownish stramineous. Type 

 locality: Branford, 25 July, 1905 (B. H. W.). 



*M. konkapoti Viereck (new species). 



Head mostly black, thorax mostly stramineous tinted with 

 brown ; abdomen mostly pale brown ; legs mostly stramineous 

 except hind femora, which are whitish on the basal half and 

 dusky on the apical half ; palpi whitish. Length 2.5-3 ^^' 



Type locality: West Thompson, 12 July, 1905 (H. L. V.). 



*M. scanticorum Viereck (new species). 



Head and thorax above mostly blackish. 



Type locality: West Thompson, 12 July, 1905 (H. L. V.). 

 °M. dorsator (Say). Bracon xanthostigmus Cresson. 



M. dorsator var. mellitor (Say). 



Length of body 2-3 mm. ; ovipositor with exserted portion 

 about as long as the abdomen ; stigma yellowish to brownish or 

 cloudy yellowish or fuscous. 



This is an abundant variety, and occurs throughout the state 

 in June, July and August. It is recorded as a parasite of the 

 lesser peach-borer, {Sesia) Synanthedon pictipes, and is para- 

 sitic on Sanninoidea exitiosa. 



°M. dorsator var. lixi (Ashmead). 



°M. dorsator var. variabilis (Provancher). 

 M. dorsator var. aequalis (Provancher). 

 New Haven, 24 May, 1905 (W. E. B.) ; West Haven, 27 

 June, 1905 (H. L. v.). 



*M. massasoit Viereck (new species). 

 Length less than 4 mm. ; head and thorax black ; abdomen 

 almost entirely black. 



Type locality: Colebrook, 21 July, 1905 (H. L. V.). 



°M. canadensis (Ashmead). Opius canadensis Ashmead. 



