1920] Johnson — Descriptions of New Tropical Pachygaslrince 115 



Chalcidomorphina aurata Enderlein. Fig. 3. 

 Zoologischer Anzeiger, 1914, Band 43, p. 299, figs. 4,5. Colum- 

 bia. 

 The principal character that separates this from the following 

 species is the form of the antennae. The scutellum of the geno- 

 type was missing, but it is probably similar to the following species 

 which is here figured. 



Chalcidomorphina crewi sp. nov. Figs. 4, 5. 



9 Face black, whitish pollinose, front black shining, with 

 white orbital spots midway between the vertex and antennae, from 

 these very narrow orbital lines extend to the face, ocelligerous 

 tubercle prominent, ocelli yellow, antennae situated about the mid- 

 dle of the head in profile, blackish above and yellow below, first 

 joint slender, about as long as the second and third combined, 

 third joint broadened and somewhat flattened above and minutely 

 flecked with white. Thorax black, with a dorsal line, a narrow 

 transverse band at the suture, and a broad band near the base of 

 the scutellum of yellow tomentum, on the humeri and pleura 

 whitish, scutellum black, the tip longer and more attenuated than 

 in the species of the genus Psephiocera, abdomen black, with agray- 

 ish pollinose arcuate band at the posterior margin of the third and 

 anterior margin of the fourth segment, and a V-shaped marking at 

 the end partly on the fourth and partly on the fifth segment. 

 Legs yellow, the anterior femora brownish, halteres white. Wings 

 hyaline with a slight brownish tinge, more noticeable toward the 

 tip, veins brown, stigma yellow, middle portion of the costa and 

 tip of the first vein dark brown, third vein branched. Length, 

 3 mm. 



One specimen collected by Mr. R. J. Crew, at Bartica, British 

 Guiana, July 3, 1901. Type in the author's collection. 



