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



dark brown, rufous, or yellow. First two abdominal segments 

 striated. Length 2.5 mm. (male). 



Type locality: Colebrook, 19 August, 1901 (W. M. W.). 



Bred from a mixed nest of the ants, Myrmica and Lepto- 

 thorax. 



Sparaison Latreille. 



°S. famelicum Say. 



Elongate, black, subopaque, punctate. Antennae fuscous; 

 legs honey-yellow, with black coxae. Parapsidal furrows distinct, 

 the scapulae with a longitudinal grooved line. Wings hyaline. 

 Length 4.5 mm. 



°S. nigrum Ashmead. 



Black, shining, very pilose. Frontal ledge in male only a 

 transverse carina, in the female broader and slightly oblique. An- 

 tennae black. Legs black, tibiae and tarsi more or less yellow. 

 Abdomen of male opaque, rugose ; of female punctate, striate and 

 shining. Length 3-3.5 mm. 



Scelio Latreille. 

 Key to Species. 



1. Mesonotum with no indications of parapsidal furrows • 2 



Parapsidal furrows faint but distinct 3 



2. Coxae pale brownish yellow, wings pure hyaline hyalinipennis 



Coxae black, wings subfuscous in female, subhyaline in male 



ovivOTUS 



3. Stigmal vein present, short luggeri 



Stigmal vein entirely absent calopteni 



S. hyalinipennis Ashmead. 



Black, coarsely rugoso-punctate. Scape, pedicel beneath in 

 female, and legs except coxae, brownish yellow or reddish. Wings 

 clear hyaline, with only a trace of the submarginal vein. Length 

 4-4.5 mm. 



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



S. ovivorus Riley. 



Black, very coarsely rugoso-punctate. Antennae brown-black, 

 the scape and pedicel pale rufous or brownish yellow. Legs, in- 

 cluding coxae, pale yellowish. Stigmal vein present. Length 

 3.6-4.2 mm. 



