CHALCIBIDJE OP THE ISLAND OF GEENADA. 155 



longer ttaii wide ; funicle-joiuts all transverse ; club very long, 

 longer than entire funiele, stout, obliquely truncate from tip 

 nearly to base. Eyes naked, approximate ; ocelli forming a very 

 acute-angled triangle. Mesonotum subtectiform ; scutellum 

 triangular ; axillae very narrow and widely separated at tips. 

 Abdomen short, triangular on longitudinal section ; ovipositor 

 extruded. Eore wings ample, marginal vein extremely short ; 

 stigmal entering disc of wing at an angle of about 40° with costa; 

 disc closely and finely ciliate, with a narrow oblique hairless 

 streak below stigma. 



Akchinus occfpattjs, sp. n. 



2 . Length (less ovipositor) 0*88 mm. ; expanse 1*9 mm. 

 Scape reaching to middle ocellus ; pedicel three tiaies as long 

 as broad and nearly as long as funiele ; club longer than entire 

 funiele and nearly as long as funiele and pedicel together. Head 

 smooth, not highly polished ; mesoscutum very faintly trans- 

 yersely shagreened and with sparse punctures ; hind border of 

 pronotum with several deep round punctures ; mesoscutellum 

 and abdomen smooth, scutellum opaque, abdomen not highly 

 polished. General colour black, more or less shining ; coxae and 

 femora jet-black, femora whitish at each end; basal half of 

 front and hind tibiae black, distal half light yellow ; middle tibiae 

 with two sharp black bands, one at base and one at middle, else- 

 where light yellow, as are also all tarsi ; antennal scape brown, 

 darker above ; pedicel with basal half black, distal half yellowish; 

 funicle-joints 1, 5 and 6 yellow, 2, 3, and 4 black ; basal joint of 

 club black, remaining joints light yellow-brown ; ovipositor- 

 sheaths black, yellow at tip, ovipositor honey-yellow. "Wings 

 hyaline, iridescent, veins brown, marginal darker. 



One female, Balthazar, March 2, 250 feet, flying at sunset. 



Aeattts, gen. nov. 



d . Head broad ; cheeks prominent, genal sulcus absent ; eyes 

 distant, hairy ; vertex with large round punctures, extended in a 

 single row down inner border of eyes. Mesoscutum rather 

 sparsely punctate ; mesoscutellum smooth ; axillae meeting at 

 tips. Hind legs unusually stout. Marginal vein of fore wings 

 very short, postmarginal shorter than stigmal. Antennal scape 

 short, cylindrical ; pedicel shorter and narrower than first funicle- 

 joint ; flagellum stout, with very short hairs ; funicle-joints all 



