NO. 3533 CHALCID WASPS OF GENUS EURYTOMA — BUGBEE 445 



reddish testaceous; posterior pair sometimes with femora and tibiae 



infuscated 30. cleri Ashmead 



Head more transverse, if markedly convex anteriorly, the coxae at least are 

 black and sixth tergum usually more strongly sculptured laterally . . 8 



8. Tegula, scape, flagellum, and legs, yellow ; marginal vein about three times 



the length of the short postmarginal vein ... 31. flavicrus, new species 



Tegula, often scape, flagellum, and legs, except extremities, black; marginal 



less than three times the length of the postmarginal vein, about 1>2 . . 9 



9. Average length 3.0 mm. (2.4-3.4) ; ninth tergum averages .22 mm. (.20-.25) ; 



sixth tergum longer than three and four combined or about one-third 



length of abdomen 32. contractura, new species 



Large species averaging about 5.0 mm. (3.7-6.6); ninth tergum averages 



.46 mm. (.27-.63) ; sixth tergum about same length as thi-ee and foiu- 



combined or about one-quarter length of abdomen 10 



10. Scape yellow or with shght blackish tinge dorsally only; fore- and midlegs 



yellowish brown; veins pale clay yellow; marginal vein thin or hnear; 



stigmal club narrow to hnear 33. discordans Bugbee 



Scape, femora, and tibiae of aU legs usually with some black iiifuscation; 



veins yellowish brown; marginal vein narrow to broad but never linear; 



stigmal club rectangular to square 34. acuta Bugbee 



Complex IV. Tylodermatis 



1. Abdomen reddish brown or at least sLxth tergum reddish brown; femora and 



tibiae all yellow or testaceous 2 



Abdomen dark brown to black 3 



2. Dorsal valves of genitalia narrow for horizontal length; stylet arch and 



f ulcral plate in a vertical plane ; postmarginal vein averages about one-half 



the length of the marginal 35. prunicola Walsh 



Dorsal valves of genitalia broad for horizontal length; stylet arch and f ulcral 

 plate in anobUque plane; postmarginal vein averages about 80% length of 

 marginal 36. celtigalla Bugbee 



3. Face with strong striae converging on clypeus; tegulae yellow to brown, never 



black 4 



Face without strong, distinct, converging striae; may be a few weak striae 

 hmited mostly to lower angle of face; not covering whole lower half of face; 

 tegula variable but most often dark brown to black 8 



4. Sixth tergum long, fully 40% length of abdomen; heavily sculpt ui-ed over 



entire surface; marginal vein linear and twice the length of the post- 

 marginal 37. lacunae, new species 



Sixth tergum less than 40% length of abdomen; sculpturing limited to lower 

 three-quarters or less of sixth tergum; marginal vein may be broader and 

 longer than, or equal in length to postmarginal 5 



5. Marginal vein equal in length to postmarginal vein; propodeum wide and 



shallow; median furrow indistinct or indicated dorsally only; abdomen oval 



and plump 38. nigricoxa Provancher 



Marginal vein longer than postmarginal; abdomen laterally compressed . . 6 



6. Legs with black infuscation on femora and tibiae; coxae black; funicle joints 



of male antenna not noticeably pedicellate and lacking long whorles of 



hairs 39. querci Fullaway 



Legs all yellow, or brownish infuscation on hindfeinora and tibiae only; 

 coxae black or with some yellow on fore- and often on midcoxae; funicle 

 joints of male pedicellate 7 



