AMERICAN HYMENOPTERA. 255 



Abdominal segments 2-4 provided witb narrow hair bands 205. 



205. Wings hyaline, nervures and stigma testaceous. Fimbria ochraceous. 



lauracea Rob. 



Wings subfuscous, the apes faintly clouded, nervures dark brown, stigma 



slightly paler. Fimbria dark brownish I iiincal ;i Vier. 



206. Anal fimbria lighter, dirty white, yellowish or pale ochraceous 207. 



Anal fimbria darker, ferruginous-fuscous, fulvous or brownish 213. 



207. Fimbria yellowish or ochraceous. Abdominal segments narrowly testaceous 



at apex 208. 



Fimbria dirty white. Abdominal segments with their apices only in part 

 testaceous 209. 



208. Apex of abdominal segments provided with narrow fasciae of white pubes- 



cence. Fimbria pale ochraceous. Inclosure bounded by a raised line. 



rather strongly reticulated Nasouii Rob. 



Apex of abdominal segments with bands of dirty white hairs, interrupted 

 on 2. Fimbria yellowish. Inclosure with very obscure rim, punc- 

 tured like the part beyond saliciuella Ckll. 



209. Wings witb the apex quite noticeably smoky. Abdomen with apical bands 



of long white pubescence, thin on 1, dense on 2-5. 



. xantiiigera Ckll. 

 Wings witb the apex not noticeable dusky ... .210. 



210. Wings hyaline, the nervures and stigma pale yellow. Segments 2-4 with 



more or less complete bands ... .211. 



Wings hyaline or subhyaline, the nervures brown or fuscous. Tips of ab- 

 dominal segments not noticeably testaceous 212. 



211. Abdomen black, apical margins of segments markedly testaceous 



macileiita Sm. 

 Abdomen pale brown, apical margins not markedly lighter colored. 



trizonata Ashm. 



212. Abdominal segments 2-4 with fringe of long white hair, interrupted on 2. 



Length 9 mm distaiis Prov. 



Abdominal segments 2-4 with apical fascia? of dirty white hairs. Length 

 8 mm aliena Sm. 



213. Fasciae on abdominal segments incomplete or interrupted in the middle- -214. 

 Fascue on abdominal segments at least in part complete 218. 



214. Wings with a decidedly yellowish tinge 215. 



Wings not decidedly yellowish 216. 



215. Abdominal segments 1-4 with lateral hair bands. Fimbria fulvous. 



niultiplieata ckll. 

 Abdominal segments 2-4 with interrupted fascise of sparse white hair. Fim- 

 bria brownish atala Vier. 



216. Anal fimbria pale fulvous hippotes Rob. 



Anal fimbria sooty or brownish ... .217. 



217. Pubescence on thorax above brownish white. Wings with nervures piceous, 



the stigma pale brown, marginal with piceous. Fimbria dark purp- 

 lish gray Kiiutliiana Ckll. 



Pubescence on thorax above pale ochraceous. Wings subfuscous, the apex 

 faintly clouded, the nervures dark brown, stigma slightly paler. Fim- 

 bria brownish dark I ruiicata Vier. 



TRANS. AM. ENT. SOC, XXIX. AUGUST, 1903. 



