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



Perilitus Nees. 

 This genus may be found in this State. 



Orgilus Haliday. 

 Key to Species. 



Length 3 mm.; honey-yellow; disk of propodeum and inter- 

 ocellar area black; flagel dusky brownish; a spot at apex of 

 hind femora, hind tibiae except a white annulus at base, 

 and hind tarsi, fuscous; wings hyaline, stigma and veins 

 brown kearfotti 



Length 4 mm.; black; scape brown in front, flagel very dark 

 brown, mandibles brown, but paler than scape in front; 

 fore and mid coxse mostly brownish red, hind coxae 

 mostly black, tipped with brownish red; femora brownish 

 red, apical half of hind pair mostly blackish; fore tibiae 

 concolorous with fore femora, mid tibiae reddish brown, 

 but with apical third dusky; hind tibiae mostly dusky or 

 blackish; tarsi more or less dusky, those of hind legs 

 blackish; wings tinged with brown, costa blackish, re- 

 maining veins blackish stramineous, basal and median 

 veins of front wings darker than the rest; abdomen 

 with a reddish lateral margin to second dorsal segment 



and a basal reddish margin to third dorsal segment 



detectifomiis 



*'0. kearfotti Ashmead. 

 Bred from the moth Recurvaria juniperella. 

 *0. detectiformis Viereck (new species). 

 Male : length 4 mm. 



Type locality: Scotland, where the type was taken on 10 

 August, 1905 (B. H. W.). Paratype, West Thompson, 12 July, 

 1905 (H. L. v.). 



Bassus Fabricius. 



Microdus Authors, not Nees. 



Key to Species. 



1. Body almost entirely black. Length 3.5 mm. 2 



Body not almost entirely black 3 



2. First and second dorsal abdominal segments brownish; coxae 



black; rest of fore and mid legs brownish stramineous; 



hind legs black, except a white annulus near base of their 



tibiae and a wide white annulus in middle of same; ex- 



•'Serted portion of ovipositor a little longer than abdomen 



pyrifolii 



