1897.] NATURAL SCIENCES OF PHILADELPHIA. 239 



wings subhyaline, the anteriors crossed by three fuscous fasciae; the 

 first crosses at the basal vein, the second fills base of marginal, sec- 

 ond submarginal, base of third and apex of third discoidal, the third 

 fascia at the apex, third submarginal at top about one-quarter 

 greater than the corresponding portion of second, nervures testa- 

 ceous, stigma black ; abdomen shining, clavate, compressed, the first 

 segment about as long as the two following united ; body pubescence 

 cinereous and sparse. Length 7 mm. 

 Chapada (October). 



Agenia fragilis n. sp. 



$ . — Black, with cinereous pubescence; clypeus at sides and an- 

 teriorly, sides of face, mandibles except base and the palpi, whitish ; 

 scape beneath, tegulae, four anterior trochanters, the femora, anterior 

 tibiae and tarsi, medial tibiae in part, first abdominal segment on 

 sides and beneath, and second at base, reddish ; calcaria and last 

 dorsal segment white ; pronotum angulate posteriorly ; middle seg- 

 ment apparently smooth above, at base in the middle with a shining 

 fovea from which a short impressed line emanates ; legs slightly 

 spinose ; wings subhyaline, bifasciate with fuscous, the first fascia 

 includes the base of marginal, second submarginal and apex of third 

 discoidal, the second fills the wing beyond the third submarginal, 

 third submarginal cell at top about one-third greater than the cor- 

 responding part of the second ; abdomen clavate, compressed. 

 Length 9 mm. 



Maruru (April) ; Santarem. Three specimens. 



Agenia cingulata n. sp. 



$' . — Black, with cinereous pubescence which is especially dense 

 on face, clypeus, thorax on sides and beneath, scape beneath, lab- 

 rum, mandibles except apex, whitish ; teguke and palpi testaceous ; 

 anterior and medial femora at apex, hind femora, four anterior 

 tibiae and sides of first abdominal segment, reddish ; calcaria, ante- 

 rior and medial tarsi whitish, the latter ringed with black at apex 

 of joints ; pronotum angulate posteriorly ; middle segment evidently 

 smooth, not impressed, legs feebly spinose ; wings clear, fuscous at 

 apex, nervures and stigma black, third submarginal at top a little 

 greater than the corresponding portion of the second ; abdomen 

 clavate, compressed, the first segment as long as the two following 

 united. Length 7 mm. 



Chapada (September). 



