(42 ) 



discocellalar bar, ami friuges of outer aiul inner margins black ; hiadwiug, toruieu, 

 discocellnlar bar, and a small hairy basal lappet on inner area black. 



Length of forewing : 1- mm. 



Uab. Minas Geracs, Brazil, IS'.tT, 4 cJc?. 



TO. Argyroeides flavicornis sji. nov. 



cJ. Legs black-brown, fore coxae white, middle and hind coxae yellowish 

 cream-colonr, distal half of tibiae orange-yellow, tarsi reddish brown ; palpi 

 golden yellow; head black, two yellow dots between eyes ; antennae deep orange, 

 basal half nf shaft black ; thorax black, inner edge of patagia with a few orange 

 hairs; abdomen above black shot with deep blue, a lemon -yellow patch on each 



side of first segment. Wings dark hyaline-yellow ; forewing, costa, inner 



margin, and nervures orange, outer margin black ; hindwing, nervures orange, 

 margins black, tornus hyaline. 



Length of forewing : 20 mm. 



Hah. Teflfe, Amazons, October lOii? (M. do Mathan), 1 c^. 



^0. Argyroeides fuscipes sj). uov. 



?. Legs blackish brown ; head, thorax, and antennae black; abdomen black, 



basal segment bnffish horn-colour. Wings hyaline-yellow, forewing darker; 



forewing, nervures brown ; hindwing, terraen, nervures, and small basal lappet 

 of inner area bhick. 



Ilab. Minas Geracs, Brazil, 18'J7, 1 ?. 



81. Diptilon aurantiipes sp. nov. 



S . Legs, head, and antennae orange ; thorax yellow marked with black ; 



abdomen orange, black edges to basal and second segments. Wings hyaline- 



buflf, margins and adroconial patches orange-brown. 



Length of forewing : 1 1 mm. 



Hab. Calama, Uio Madeira, Amazons (\V. Hoffmanns), 1 cJ ; Amazon Kiver 

 (Felder coll.), 1 6. Type c^, Calama. 



82. Diptilon hoffmannsi sp. nov. 



c?. Legs orange ; head, antennae, thorax, and abdomen brown-black. 



AViugs hyaline-buff; forewing, basal half of costa hyaline, outer half orange, 

 outer margin brown, inner margin rufous. 



Length of forewing : 14 mm. 



Hab. Pozuzo, Department of Hnannco, Peru (Hoffmanns), 1 S- 



83. Eumenogaster aflBnis sp. nov. 



c^. Differs from />ii(;«(/(?ify>/i!ee/a Hmpsn. by its white frons, ])ale brown thorax, 

 dark rufous metathorax and basal segment of abdomen, and by having the 

 remaining segments of abdomen lilaok, not rufous ; the costal area of forewing 

 instead of being clouded with wood-brown is strongly elouded with rufous scarlet. 



Hab. (.'orosito, Caura River, Venezuela, June 1904 (.S. M. Klages), 1 S. 



84. Teucer apicalis sj). nov. 

 6. Legs black-brown, fore coxae orange ; frons and antennae black, vertex 

 orange; thorax and abdomen black. Forewing, basal two-thirds black, a patch 



