BY FREDERICK A. A, SKUSE. 235 



^ and 9. — Antennae light brown in ^, fuscous in 9 ; joints of 

 the scapus varying from ochreous-yellow to light fuscous brown. 

 Head, clypeus, and palpi light fuscous-brown, clypeus sometimes 

 yellowish ; head with yellow, and clypeus and palpi with brownish 

 hairs. Thorax pale greenish-yellow (slightly tinged with brown in 

 some specimens) with three longitudinal stripes, fulvous in ^, 

 very prominent and deep castaneous-brown in 9 ; intermediate 

 stripe with a sparse median line of short yellow hairs, also a row 

 between the stripes extending the whole length of the thorax ; 

 pectus more or less tinged with brown ; pleurae pale greenish- 

 yellow, more or less distinctly tinged with pale fulvous ; scutellum 

 pale greenish or greenish-yellow, sometimes with a fulvous tint, 

 fringed with yeUow hairs ; metanotum in ^ pale fulvous-yellow, 

 in 9 the anterior half pale greenish, greenish or fulvous-yellow, 

 posterior half deep castaneous-brown with a pale median line. 

 Halteres pale yellowish-green in (J, almost seruginous in 9* 

 Abdomen about three times the length of the thorax in ^, shorter 

 in 9, prasinoas, clothed with pale yellow hairs, the last two 

 abdominal segments of ^ tinged with brown, and anal joint and 

 holding forceps entirely brown ; lamellae of $ ovipositor light 

 brown. Coxae and femora pale greenish-yellow ; in fore legs apex 

 of the femora and entire tibias and tarsi deep fuscous-b'^own, in 

 intermediate and hind legs extreme tip of femora generally v^ry 

 slightly brownish. Tibise in intermediate and hind legs pale 

 brownish-yellow, deep fuscous at extreme base and extreme apex. 

 Tarsi fuscous-brown, basal three-fourths or more of metatarsi 

 brownish-yellow. In fore legs tibiae a little more than half 

 the length of metatarsus. Wings shorter than the abdomen 

 in (J, as long or longer than it in 9 ; hyaline, iridescent, the costal, 

 first three longitudinal veins, and basal half of fourth longitudinal 

 brownish-ochreous. Costal and third longitudinal veins meeting 

 a short distance from apex of wing ; auxiliary vein joining costa 

 not quite mid- way between middle cross-vein and tip of the first 

 longitudinal ; first longitudinal joining costa before tip of anterior 

 branch of fifth longitudinal fork ; fourth longitudinal vein almost 

 reaching wing-margin, its tip situated nearer tip of costa than to 



