434 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.59. 



The figures are by the author. Those of antennae and wings from 

 balsam mounts by use of a projection microscope: the others are 

 drawn to scale under a compound microscope by use of a filar mi- 

 crometer and a two-thirds objective. 



Subfamily Anacharitinae Dalla Torre. 



Genus ACANTHAEGILIPS Ashmead. 



Acanthaegilips Ashmead, Psyche, vol. 8, 1897, p. 67. 



Genotype. — Acanthaegilips brasiliensis Ashme fid. Monobasic (fig. 1) . 



This genus Avas founded on a single specimen (Cat. No. 23645, 

 U.S.N.M.) from which the following notes have been made supple- 

 menting the original description. It was captured in April. 



The head seen from in front is triangular, malar space two-thirds 

 eye and with a fine groove, cheeks not margined. Mounted in bal- 



Fig. 1.— Acanthaegilips brasilienpis Ashmead x 24.9. Dorsal view of thorax. Side view. 



sam the first segment of antenna is longer than the third, which in 

 turn is longer than the fourth, 5-12 gradually decreasing, last one 

 and three-fourths times preceding. Truncature of pronotum with 

 a short median tooth above, sides areolate. Mesoscutum broader 

 than long, strongly arched. Scutellum with a median ridge running 

 up the spine and with a triangular polished groove on either side, 

 separated from mesoscutum by a distinct suture. Propodeum pro- 

 longed into a neck behind, its upper surface bearing two parallel 

 carinae, between which are several transverse ridges and a median. 

 Petiole of abdomen nearly twice as long as broad and longitudinally 

 ridged. Radial cell three times as long as broad. Second segment 

 of abdomen not distinctly tongue-shaped, not striate, three-fourths 

 as long as the third, which occupies the remainder of the abdomen. 

 Length, 2.85 mm. 



