10 PEOCEEDIN GS OF THE NATIONAL MUSEUM vol.70 



10. Thorax ventrally bright yellow 11 



Thorax never yellow ventrally 12 



11. Ovipositor longer than abdomen; mesoscutum greenish. 



No. 9 ebrium Osten Sacken. 

 Ovipositor one-third as long as abdomen; dorsum with a yellowish to a green- 

 ish tiut__No. 10 dubiosum Huber; No. 11 durum Osten Sacken (male only). 



12. Head, thorax and abdomen very densely clothed with a fine, silky, grayish 



pubescence, the abdomen less densely clothed, except at the tip; legs, ex- 

 cept the coxae, yellow; ovipositor longer than the abdomen. 



No. 12 hircinum (Ashmead). 

 Body clothed with hairs but never so densely as above 13 



13. Abdomen with a very distinct yellow band; coxae yellow, except a green 



spot on the base, rest of legs and scape yellow; body 3 to 4 mm 14 



Abdomen not as above 16 



14. Ovipositor as long or longer than the body; pedicel and first joint of funicle 



about equal in length No. 13 flavicoxum Osten Sacken. 



Ovipositor scarcely longer than abdomen 15 



15. First joint of funicle almost as long as the pedicel and ring-joint combined; 



ring-joint about one and one-half times as long as wide. 



No. 14 fulvum Huber. 

 First joint of funicle a little shorter than the pedicel, all funicle joints of equal 

 length and hardly longer than wide; band on abdomen well defined dor- 

 sally No. 15 duplicatum Huber. 



16. Propodeum carinate and roughly sculptured 17 



Propncieum not carinate, smooth 18 



17. Ovipositor as long or just a little longer than the abdomen or about four- 



sevenths as long as the body, which is 3 mm.; pedicel one-third longer than 



first joint of funicle No. 16 alamedensis Huber. 



Ovipositor distinctly shorter than the abdomen and less than one-half as long 

 as the body which is about 3.5 mm.; pedicel and first funicle joint about 

 equal in length No. 17 sackeni Ashmead. 



18. Abdomen very sharply carinate and compressed; antennae black, the scape 



greenish-black; joints of funicle wider than long except the first; oviposi- 

 tor shorter than abdomen No. 18 alaskensis Huber. 



Abdomen and antennae not as above 19 



19. Head greatly enlarged, one-half as thick as wide and nearly round as seen 



from the front; thorax very elongate and narrow; ovipositor longer than 



abdomen No. 19 capite Huber. 



Head distinctly tranverse 20 



20. Femora, tibiae and tarsi uniformly dark testaceous, coxae green or greenish- 



brown; scape never dark brown or green; joints of funicle as wide as long; 



body normally about 2 mm. long 21 



Legs never uniformly dark testaceous 23 



21. Ovipositor three-fourths as long as abdomen; coxae and abdomen dark 



green No. 20 ferrugineipes Huber. 



Ovipositor a little longer than abdomen 22 



22. Fore coxae brownish, the hind ones darker; abdomen brown with a green 



_ tinge No. 21 rhoditidis Huber. 



Fore coxae yellow, others brown to green; scape pedicel and ring-joint tes- 

 taceous No. 22 sylvicolum (Ashmead). 



23. All joints of funicle distinctly longer than wide 24 



Some joints of funicle wider than long 29 



