606 PROCEEDINGS OF THE NATIONAL MUSEUM vol.86 



lieve these specimens to belong to Giglio-Tos' species, in spite of 

 several variations from the original description, namely that the 

 middle and posterior coxae are yellow, the abdomen is green on the 

 venter as well as on the dorsum, and the face immediately below the 

 antennae is yellow (only the depressed oral margin being black). In 

 view of the variation that may occur in species of Geosarginae, these 

 characters may easily be variable to this extent. The black areas on 

 the apices of the middle femora are sharply defined, and less so on 

 the fore and hind femora; on the middle femora the black area is 

 much more extended ventrally than dorsally. 



Subfamily Pachygastrinae 

 Genus ARTEMITA Walker 



ARTEMITA HIEROGLYPHICA (Wiedemann) 



One female, Amazon River, Arary to Manaos, Brazil, September 

 20-21, 1930 (Holt, Blake, and Agostini). 



Genus EUPACHYGASTER Kertesz 



EUPACHYGASTER VILLGSA, new species 



Readily distinguishable from the two American species that have 

 been referred to this genus by the narrow front and the dense silvery 

 tomentum of the thoracic dorsum in the female and the contiguous 

 eyes and slender abdomen in the male. 



Female. — Head black, shining; the lower half of the front (except 

 a narrow median longitudinal line) and the sides of the face silvery 

 pollinose. Front narrow, at its narrowest part (near the middle) 

 two-thirds as wide as the base of the ocellar triangle, and one-third 

 as wide as at the insertion of the antennae ; the face gradually becomes 

 broader. Head three-fourths as long as high, the antennae inserted 

 somewhat below the middle. Antennae and proboscis yellow. Arista 

 bare. Occipital orbits undeveloped, except below. Thorax black, the 

 dorsum and scutellum densely and uniformly clothed with silvery 

 tomentum; the scutellum with a definite rim, which is beset with 

 numerous minute teeth. Pleura shining, bare. Legs, including coxae, 

 wholly yellow. Wings hyaline, with a slightly yellow cast; vein 

 R2+3 originating slightly beyond cross-vein r-m, which is short but 

 distinct; R5 slightly more than twice as long as R4. Halteres yellow. 

 Abdomen about as wide as long, black, with scattering whitish hairs. 

 Length, 3 mm. 



Male. — Eyes contiguous, the facets above larger than those below 

 but not divided from them by a definite line. Head almost as long as 

 high. Thorax and scutellum with scattering yellowish-white hair, 



