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



Scutellum and postscutellum normal Sparaison p. 556 



43. Maxillary palpi long, 5-jointed, male antennae 12-jointed 



Sceliomorpha 

 Maxillary palpi short, 3-jointed, male antennae lo-jointed 



Scclio p. 556 



44. Mesonotum with parapsidal furrows 45 



Mesonotum without furrows 46 



45. Mesonotum with two furrows Macroteleia p. 554 



Mesonotum with three furrows Hoploteleia p. 555 



46. Postscutellum simple, unarmed 47 



Postscutellum with an erect spine Opisthacantha p. 555 



47. Metathorax simple, unarmed Hadronotus p. 555 



-Metathorax bidentate at apex Cacellus p. 555 



Protritnorus Kieffer. 

 °P. americanus Ashmead. 



Smooth black, impunctate, sparsely pubescent. Head trans- 

 verse, not wider than the thorax. Antennae brownish, paler to- 

 ward the base. Wings hyaline, the venation brown; marginal 

 vein short, as long as the stigmal Vein, which terminates in a 

 small knob. Length 1.2 mm. (male). 



Phanurus Thomson. 

 °P. ovivorus Ashmead. 



Polished black; legs piceous, the knees and tarsi paler. An- 

 tennae piceous, the flagellum nearly three times as long as the 

 scape. Wings hyaline, the nervures yellow. Length 0.6 mm, 

 °P. tabanivorus Ashmead. 



Polished black; legs fuscous; trochanters, knees, and tips of 

 tibiae and tarsi testaceous. Antennae black, the flagellum not 

 longer than the scape. Wings hyaline, the nervures brown. 

 Length 1.2- 1.3 mm. 



Tclenomus Haliday. 

 Key to Species. 

 Females. 

 I. Second abdominal segment not or very little longer than 



wide ; antennae i i-jointed 2 



Second segment one-third longer than wide; antennae 10- 

 jointed fiskei 



