1865.] 43 



antennae fulvous, basal joint yellowish. Thorax shining beneath, and 

 minutely punctured ; mesothorax opaque, rather convex ; tegulae yel- 

 lowish ; metathorax slightly pubescent, somewhat furrowed down the 

 middle with a longitudinal, slightly angular carina on each side, the 

 space inside of these carinas is finely and transversely striated, outside of 

 these carina) there are several transverse carinas. Wings hyaline, faintly 

 tinged with yellowish, and slightly iridescent, the apex fuscous ; ner- 

 vures and stigma pale testaceous; areolet rather large, subrhomboidal, 

 and petiolated. Legs: all the coxae and posterior legs, honey -yellow ; 

 four anterior legs yellow. Abdomen very slender at base, broad and 

 much compressed towards the apex ; basal two-thirds of the 2nd seg- 

 ment above, blackish ; ovipositor scarcely exserted. Length 4 lines ; 

 expanse of wings 6 lines. 



Collection. — Ent. Soc. Philad. One specimen. 



Campoplex ? pedalis, n. sp. 



Black; face silvery; most of mandibles, palpi, tegulte, a spot before the 

 wings, and the four anterior coxse and trochanters, white ; legs honey-yellow 

 or pale rufous; wings hyaline, iridescent, areolet very minute, petiolated; ab- 

 domen long and slender, compressed towards the tip. 



Male. — Black, opaque, finely and densely punctured, thinly clothed 

 with a short, fine, pale, glittering pubescence, more obvious and some- 

 what silvery on the face, cheeks and metathorax ; face short, broad ; 

 eyes ovate, rather large ; most of mandibles, and the palpi, whitish ; 

 antennas three-fourths the length of the body, attenuated towards the 

 tips which are slightly involute, black, the basal joint piceous beneath. 

 Thorax slightly elongate, somewhat depressed above ; mesothorax gla- 

 brous ; a line over the collar, tegulae and a sutural line before, white ; 

 scutellum flattened ; metathorax clothed with a silvery pubescence, the 

 elevated lines sharply defined, the central area rather large, rounded in 

 front, and open behind. Wings moderate, hyaline, beautifully iride- 

 scent, the apical margins with a brilliant green reflection ; nervures 

 and stigma blackish; areolet very minute, almost obsolete, petiolated 

 and oblique. Legs long and tolerably slender, honey-yellow or pale 

 rufous, the anterior pair much paler, the four anterior coxae and tro- 

 chanters, white. Abdomen entirely black, about half again as long as 

 the head and thorax, slender, gradually broader and compressed to- 

 wards the apex, the two basal segments long, subequal, the 1st slightly 

 dilated at tip; the 3rd and following segments rather broad and much 

 compressed. Length 4 lines ; expanse of wings 6 lines. 



Collection. — Dr. J. Gundlach. One specimen. 



