METACBOCEA. — EUMEXOGASTER. 233 



*S15 a. Metacrocea postflava. 



Metacrocea postflava, Schaus, Pr. U.S. Nat. Mus. xxix. p. 173 (1905). 



2 . Head and thorax Hack-brown ; abdomen with the 1st three 

 segments black-brown tinged with blue, the last five orange, the 

 ventral surface brown. Fore wing brown suffused with grey leaving 

 the veins, and streaks in cell and submedian fold dark brown ; 



Fig. 35. — Metacrocea postflava, J. J. 



traces of diffused curved ante- and postmedial lines ; dark streaks in 

 the interspaces of terminal area. Hind wing black-brown, the 

 lower part of cell and interspaces just below and beyond it hyaline. 

 Exp. Brazil, Rio Janeiro, type f $ in U-S. Nat. Mus. 

 Exp. 32 millini. 



81G. Eumenogaster notabilis, insert (syn.) : — 



Eumenogaster cawr'en&is, Klages, Pr. U.S. Nat. Mus. xxix. p. 54G (1906), 



*817 a. Eumenogaster affinis. (Plate XII. fig. 1(5 ) 



Eumenogaster affinis, Roths. Nov. Zool. xviii. p. 42 (1911). 



c? . Palpi andfrons white, the vertex of head fuscous and white ; 

 antennae blackish, the shaft crimson above excepttowards tip ; thorax 

 pale rufous, the patagia edged with black, the metathorax witli pair 

 of blackish points ; pectus and legs fulvous yellow, the coxa' and 

 extremities of fore femora white, with a black streak on extremities 

 of femora and base of tibiae, the extremities of tarsi black, the mid and 

 hind tibiae black at base and extremities ; abdomen with the two 

 basal segments fulvous, the other segments black with a greyish 

 tinge, the ventral surface with the five basal segments fulvous. 

 Fore wing hyaline, the veins and margins narrowly blackish, the 

 costal area suffused with fulvous red to median nervure and vein 4, 

 the inner margin with fulvous fascia. Hind wing hyaline, the veins 

 and margins narrowly brown. 



Hub. Venezuela, Caura R., Corosito ( Klages), type t 6 in 

 Coll. Rothschild. Exp. 30 millini. 



*818 a. Eumenogaster nigricauda. (Plate XII. fig. 17.) 



Eumenogaster nigricauda, Dogn. Hc't. Nouv. Am. Slid, ii. p. 8 (1911). 



d . Head and thorax fulvous orange with some blackish on 

 vertex of head, tegulse, edges of patagia and dorsum of thorax; 



