626 PROCEEDINGS OF THE NATIONAL MUSEUM. VOL. 50. 



tened on underside, five times longer than wide; pedicel nearly as 

 long as the first two and one-half of the third funicle joint; first two 

 and last two funicle joints nearly equal in length, the third notice- 

 ably longer and the fourth a little shorter^ the first two ah out as 

 long as wide, the third longer than wide and the last three wider than 

 long, all increasing gradually in width so that the sixth is about 

 twice as wide as the first; club oval, rounded at apex, one-third wider 

 again than the preceding joint and as long as the last three and one- 

 half of the third funicle joint combined. Wings uniformly ciliated; 

 oblique hairless streak widened but not interrupted below and con- 

 necting with a branch of the basal streak. Ovipositor protruded 

 about one-sixth the length of abdomen. Length: 1.1 to 1.4 mm., 

 exclusive of ovipositor. 



Head gamboge yellow with the upper half of the center of occiput 

 blackish brown and the cheeks with a broad, oblique, pale brown 

 band across the middle; concealed part of pronotum, the metanotum, 

 propodeum and most of the dorsum of abdomen blackish brown, the 

 base and sides of the latter anterior to the vibrissae gamboge yellow; 

 collar of pronotum whitish with a blackish brown dot on each corner 

 almost aways connecting with the brown of the center; mesonotum 

 gamboge yellow with the anterior margin of the scutum and the 

 entire scuteUum blackish brown, or the middle of scutum and the 

 axillae also brown shading into the yellow of the sides; most of meso- 

 pleura, the metapleura and venter of abdomen brown to blackish 

 brown; anterior margin of mesopleura and propleura gamboge yel- 

 low; prepectal plates and tegulae yellowish white, the latter brown- 

 ish on the apical margin. Antennae pale brown, the scape shading 

 into yellowish at base and apex and with a darker brown streak on 

 outer surface of apical half; pedicel yellowish at apex and the last 

 two funicle joints more or less yellowish; club darker brown but paler 

 at apex. Legs gamboge yellow with the tip of the last joint of the 

 tarsi blackish. Wings nearly hyaline but marked with a very faint, 

 roundish cloud beneath stigmal vein reaching about half way to the 

 posterior margin of disk; veins pale yellowish. Exserted part of 

 ovipositor gamboge yellow, shading into brownish at apex. 



Male. Front and vertex about one-fourth longer again than wide; 

 ocelli in an equilateral triangle, the posterior pair nearly their own 

 diameter from the eye margin. Antennae nearly as in the female, 

 but slightly shorter and less robust, the club narrower, hardly wider 

 than the preceding joint and about as long as the last three funicle 

 joints combined. Length: 0.9 mm. 



Upper parts black, including vertex of head, upper half of occiput 

 and all of pronotum except the narrow, white collar, the lateral 

 margin of the mesocutum shading into yellowish; front yellow; face, 

 lower part of cheeks next to mandibles and lower half of the occiput 



