MONOGRAPH OK THE NORTH AMERICAN PROCTOTRYPIDiE. 279 



joint very acute, the last joint i'onicul, longer than the preceding. 

 Mesonotuni with two distinct furrows. Metathorax, including the jjleura 

 and the tirst abdominal segment, hoth ahove and beneath, densely im- 

 bes<'ent. Tegula* rutb-pi«'eous. AVings clear hyaline. Legs rufous, 

 the i)08terior coxa* basally i)iceous. Abdomen greatly elongated, more 

 than twice the length of tlu^ head an<l thorax unit«'d, narrowed into a 

 long tail fnun the apex of the second segment, the three terminal seg- 

 ments subequal in length. 



Habitat. — Ottawa, ( 'anada. 



Type in Coll. Ashmcad. 



Describe<l from a single specimen received fiom Mr. VV. Hague Har 

 ringtun. 



PolymeciiB americauus AhIiiii. 



EpimeceH americnmiM Ashm., ('an. Eiit., xix. p. 129. 

 L'ctadiiis amerieamia Cr. Syn. Hyni., p. 249. 



?. Length, 1 to 1.8""". Polished black; the head behind finely, 

 opaquely sculptured; face highly polished; mandibles rufous. An- 

 tennae 10-jointed, rtifousor piceous, sometimes brown black ; pedicel a lit- 

 tle longer than the second fnniclar joint, but more slender; first funiclar 

 joint minute; club snbclavate, the first and second joints unequal in 

 length, the first slightly the longer and slenderer; joints 3, 4, and 5 

 not longer than wide at tip, the outer posterior angle acute, last joint 

 c<mical, a little longer than the preceding. Mesonotum with two deli- 

 cate but distinct furrows; teguhe black. Wings hyaline, very slightly 

 tinged. Legs dark rufous to jiiceous, the trochanters, knees, anterior 

 tibije, and the tarsi, paler. Abdomen about one and a half times as 

 long as the head and thorax united, or twice the length of the thorax, 

 the third segment a little longer than the fourth, the others subequal 

 in length, the last being about one-third the length of the fourth, 

 pointed and obliquely truncate from above; the penultimate is twice 

 as long as wide. 



Habitat. — Jacksonville sind Fort (Jeorge Island, Fla. 



Types in Coll. Ashmead. 



Polymecus pallipes Asliin. 

 (I'l. xir, Fig. 3, 9.) 

 EctadiuH pallipes A«hm., Ball. X<>. 1, Col. Biol. Assoc, p. 9, 1890. 



2 . Length, 2.6'"'". Black, snbopaque, fln<dy granulately sculptured ; 

 face smooth, pr)lished, microsco])i(!ally transversely aciculated just above 

 the insertion of the antennic. Mandibles rufous. Antennae lO-jointed, 

 the flagellum one and a half times as long as the scape; the scape, 

 pedicel, and the three or fiuir following joints pale brownish-yellow, the. 

 joints beyond black or brown-black; the pedicel is thrice as long as 

 thick, the first joint of flagellum small, annular, the three following 



