AMERICAN HYMENOPTERA. 265 



joint lougj ocelli pale; face immaculate; palpi piccous at tip; clypeus 

 moderately emarginate ; thorax rovxgh, immaculate ; two pale dots be- 

 hind scutellum ; legs yellow ; intermediate femora at tip above, poste- 

 rior coxfe at base, apical half of femora and tibioe and all the nails 

 black; wings hyaline ; nervures dark brown; stigma inflated, black ; 

 a broad^ brownish fascia upon superior pair crossing the second and 

 the second and third submarginal cellules. 



Massachusetts, (Harris' Coll.) 



One imperfect specimen, the upper half of abdomen being wanting. 



Not seen since first described. It probably belongs to Dineura or 

 Sciapteryx. 



60. MACROPHYA, Dahlb. 

 Macrophya, Dahlb. 



Hartig, Die Blattw. 290, iv. 

 Tenthredo [All), Fam. Ill, Klug, Berl. Mag. vii. 



Wmys with two marginal and four submarginal cells, the second and 

 third each with a recurrent nervure ; bullas as m Allantus ; under 

 wings with two middle cells. 



Antennae. 9-jointed, either shorter than beyond base of abdomen, 

 somewhat thickened in middle or longer than base of abdomen, seta- 

 ceous. 



Body as in Allantus. 



Legs as in Allantus, -except the hinder coxfe, which are unusually 

 large, reaching as far as the edge of the fourth abdominal segment. 



Table to assist in determining the Species. 



Section 1. 

 Antennae hardly longer than to base of abdomen, somewhat thickened in 

 the middle. 



Tribe 1. 



Lanceolate cell with oblique cross line 1, excavatus. 



Tribe 2. 

 Lanceolate cell with very short, straight cross line or closed 



in middle. 

 A. Antennae wholly black. 

 a. Scutellum pale. 



X. Abdomen black, posterior tibiae banded 3, epinotus. 



Spot on pleura 4, pulchella. 



h. Scutellum black. 



Abdomen black, posterior tibiae banded. 



1. Spot on pleura , ,5, lineata. 



2. All the coxae pale, tarsi pale 2, incertus. 9 . 



.3. Hinder coxae pale, tarsi pale fi, flavicoxEe. 



4. " " mostly pale, tarsi black 8, pannosus. 



5- " " black, " " 9, proximata. 



TRANS. AMER. ENT. SOC. (34) SEPTEMBER, 18tw. 



