270 CONNECTICUT GEOL. AND NAT. HIST. SURVEY, [Bull. 



Parasitic on the white-marked tussock moth {Hemerocampa 

 leucostigma). 



Subgenus Casinaria Holmgren. 



*Casinaria (C.) eupitheciae Viereck. 



Greatest diameter of lateral ocellus distinctly longer than 

 ocellocular line; scape and pedicel more or less pale beneath; 

 coxae mostly black, rest of legs mostly pale or reddish; dorsal 

 abdominal segments almost entirely black. 



Type locality: East River, 27 August, 1910, 8, 10 September. 

 1910; reared from Eupithecia miserulata by Charles R. Ely; 

 Scotland, 10 August, 1905 (B. H. W.) ; Cheshire, 8 July, 1904; 

 Colebrook, 2i July, 1905 (H. L. V.). 



*C. (C.) scabriformis Viereck. 



Scape and pedicel yellow beneath ; fore and mid coxae reddish 

 stramineous, hind coxae black; an apical reddish margin on the 

 second dorsal abdominal segment, and apical half of third dorsal 

 segment reddish ; remaining dorsal segments reddish throughout. 



East River, 10 September, 19 10, reared from Eupithecia 

 miserulata by Charles R. Ely. 



Subgenus Idechthis (Foerster) Ashmead. 



*Casinaria (I.) sokanakiakorum Viereck (new species). 



First dorsal abdominal segment black, apex of second abdomi- 

 nal segment with a reddish band, third to sixth dorsal abdominal 

 segments laterally partly brownish or reddish brown; scape in 

 front, fore and mid coxae, and all trochanters, yellow ; hind coxae 

 only black, hind tibiae without whitish annuli. 



Type locality: New Haven, 4 July, 1905 (H. L. V.). 



Subgenus Pseudocasinaria Viereck. 

 Casinaria Ashmead. 



*Casinaria (P.) ceanothi Viereck (new species). 

 Body 7.5 mm. long. Male: scape and pedicel pale brown, flagel 

 black; head black; mandibles yellow, tipped with brown, palpi 

 whitish ; thorax black, wings transparent, tinted with brown, veins 

 dark brown ; fore and mid coxae black at base, rest brownish, 

 hind coxae black, brownish at apex, trochanters mostly yellow- 

 ish, femora mostly brownish stramineous to brown, tibiae stra- 



