106 Annals of the Carnegie Museum. 



Legs pale ; femora superiorly with two longitudinal dark stripes ; 

 tibiae inferiorly, and most of the tarsi dark. 



Wings slightly cloudy, stigma almost black, surmounting two cells 

 (or slightly more or less), distal edge more oblique than the proximal, 

 12-14 postnodals on the front wings, 12 on the hind. 



9 . Differs from the male as follows : rear of head distinctly yellow ; 

 bronze-green mesepisternal stripe only one-third as wide as that of the 

 c? and separated from the mid-dorsal carina by a greater interval, i. e., 

 twice its own width ; sides of the thorax and pectus more yellowish ; 

 black mesepimeral stripe shorter (half, or less than half, as long as 

 the sclerite) and narrower (half, or less than half, as wide as the 

 sclerite) ; black absent from the mesinfraepisternum in one 9 ; less 

 blackish-bronze on abdominal segments 2-5 in that it does not extend 

 on the sides before the apex of each (segments 6-10 lost) ; 11-14 

 postnodals on the front wing, 10-12 on the hind. 



Abdomen c? 34 mm. (segs. 1-5, 20 mm.), 9 (segs. 1-5, 19 mm.); 

 hind wing cT 20, 9 20.5-22 mm. ; costal edge of stigma, front wing, 

 1.3-1.5 mm. 



Habitat. — Brazil: Chapada, by H. H. Smith. The type, a 

 male, collector's number 141, has lost the head. One male and two 

 females, collector's number 84, have lost abdominal segments 6-10 

 or 2-10 (1 9) but appear to be of the same species. All four speci- 

 mens in the Carnegie Museum, Pittsburgh. 



31. Mecistogaster ornatus Rambur. 



Mecistogaster ornatus Calvert, Biol. Centr.-Amer. Neurop., pp. 55, 353, 1901, 1907. 



Habitat. — Colombia: Don Diego, 2 9 ; Bonda, July, 1 9, Sep- 

 tember, 1 9, November, 1 9, December, 1 9 ; Don Amo, Novem- 

 ber, 1 cT ; Onaca, December, 2 d\ 1 9 ; Valparaiso, December, 1 c? ; 

 all in Dept. Magdalena, by H. H. Smith. Carnegie Museum, 

 Pittsburgh. 



These localities give a vertical distribution for this species of from 

 100 to 4,500 feet. 



32. Mecistogaster amalia Burmeister. 



Mecistogaster amalia, Calvert, Biol. Centr.-Amer. Neurop., p. 354, 1907. 



Habitat. — Brazil: Rio de Janeiro, by H. H. Smith, November, 

 1 9, December, 1 9- Carnegie Museum, Pittsburgh. 



Paraguay: Sapucay, by W. T. Foster, January, 1900 and 1901, 



