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



and pedicel pale brownish stramineous, flagel pale brown at base, 

 dark brown to blackish beyond ; wings pale, with their veins pale 

 stramineous ; costa partly brownish stramineous ; legs almost 

 entirely stramineous ; abdomen mostly blackish ; exserted portion 

 of ovipositor fully two-thirds the length of the abdomen ; propo- 

 deum with a median raised line. 



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



A paratype of this species in the U. S. National Museum is 

 from Algonquin, Illinois, and labeled " Nason, Nos., 130, July 

 23, 1895, and 4792." 



Aphaereta Foerster. 



A. muscae Ashmead. 



In color this species agrees very well with the description of 

 Aspilota ephemera given above, except that the thorax is mostly 

 dark brown and the body is longer, i. e., nearly 2 mm. long or 

 a little longer; exserted portion of ovipositor nearly as long as 

 the abdomen. 



Occurs throughout the state in July and August, and has been 

 bred from the onion maggot by Mr. B. H. Walden. 



Cratospila Foerster 



°C. ridibunda Say. C. rubicunda Ashmead. 

 Length 4-6 mm.; mostly reddish; head black; antennae and 

 legs blackish, mandibles more or less brownish ; palpi dark ; wings 

 deep brown ; female with the exserted portion of the ovipositor 

 as long as or nearly as long as the abdomen ; male with its abdo- 

 men above tipped with blackish. 



Synaldis Foerster. 

 Key to Species. 



I. First abdominal segment pale yellowish 2 



First abdominal segment like remainder of abdomen, i. e., 

 black; head and thorax black; length 2 mm.; palpi, scape, 

 pedicel, mandibles, tegulse, and legs, more or less stra- 

 mineous or brownish stramineous, rest of antennae brown 

 to blackish; wings transparent, faintly tinted with a dark 

 shade; sixth to tenth joints of flagel hardly longer than 

 thick; veins and stigma brownish to stramineous; exserted 

 portion of ovipositor nearly half the length of abdomen 



incisa 



