208 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



*M. metacomer Viereck (new species). 

 Female : length 3.5 mm. ; face, mouth, malar space, lower part 

 of cheeks, nearly all of fore legs, hind coxae, trochanters, femora 

 and most of tibiae, stramineous. 



Type locality : New Canaan, 29 September, 1909. 



*M. hobomok Viereck (new species). 



Head mostly brownish stramineous ; thorax black above. 

 Type locality: Branford, 28 July, 1905 (H. L. V.). 



M. vernonise Ashmead. 



Head and thorax black; plate of first dorsal abdominal seg- 

 ment, a spot at base of second medially, and ovipositor, black, 

 second segment mostly stramineous like the third laterally, rest 

 of abdomen mostly blackish ; all tarsi and the hind tibiae toward 

 tips, dusky; body 3 mm. long; exserted portion of ovipositor 2 

 , mm. long. 



Hosts: Platynota sent ana and Eudemis botrana in seeds of 

 Vernonia noveboracensis. 



M. gastroideae Ashmead. 



Head and thorax black ; length less than 4 mm. ; first dorsal 

 abdominal segment black or mostly black; abdomen with its lat- 

 eral margins yellow ; a black blotch at base of second segment ; 

 palpi and antennae black; legs yellowish red, tips of hind tibiae 

 and tarsi dusky ; length 3 mm. 



Host: Gastroidea cyanea, a species of beetle that is repre- 

 sented in the collection of the New Haven Experiment Station. 



*M. uncas Viereck (new species). 



Abdomen uniformly black above and polished. 



Type locality: New Haven, 15 May, 1905 (B. H. W,). 

 *M. montowesei Viereck (new species). 



Female: abdomen with dorsum yellow except most of first 

 segment and part of the second, which are blackish or dark 

 brown ; body 3 mm. long ; ovipositor with its exserted portion 

 about one-half the length of the abdomen. 



Male: abdomen dark brown except lateral margins of first 

 dorsal segment and sutures between the first, second and third 

 segments, all of which are pale; body 2.5 mm. long; legs mostly 

 stramineous. 



