May, 1918] Parasites of Leaf-IIoppers 267 



brown. Coxae and most of middle and hind femora brown, front femora 

 lij^ht at ends and vcntrally but brown otherwise, middle and hind tibiae 

 brown but yellow at distal and proximal ends, fore tibia) yellow with 

 brown band across middle, tarsi yellow, fifth tarsal joint brown. Abdo- 

 men fuscous, depressed dorso-ventrally, with fine whitish pubescence. 

 Length, 2 mm. 



Described from one specimen, Bay View, Ohio, bred from 

 Deltocephalus ajjinis. Type deposited in Entomological Museum 

 at Ohio State University. 



3. G. cyphonotus Bradlev. 



Canad. Ent. v. 38, p. 380 (9 ), 1906. 



Female: Black, except scape, pedicel, face, mandibles, trochanters, 

 all coxa) beneath, posterior and middle coxae in middle, and anterior 

 tibiae and tarsi above, lemon yellow, rest of legs reddish yellow. Thorax 

 above and abdomen smooth and polished, side of thorax thoracic con- 

 striction above, head and coxae finely roughened; hump of thorax 

 without transverse impression. Differs from G. contortulus in that 

 entire thorax lacks fine transverse striation and that thoracic construc- 

 tion less marked. Length, 2.5 mm. 



British Columbia. Collected. 



4. G. bicolor Ashmead. 



C. ashmeadi Kieffer, Andre. Spec. Hym. Eur. v. 9, p. 108, 1904. 

 G. bicolor Ashmead, Bull. U. S. Mus. v. 45, p. 85 (9), 1893, Kieffer, Das 

 Tierreich, 41 L. p. 73, 1914. 



Female: Yellow or reddish yellow; 4-5 basal antennal joints yellow, 

 rest brown. Middle and posterior knees and tips of posterior tibiae 

 black; abdomen piceous black. Mandibles four-dentate. Propodeum 

 smooth, polished, posterior face slightly transversely acictdated. Length, 

 3 mm. 



Silma, Alabama; Texas. Collected. 



5. G. californicus Ashmead. 



Bull. U. vS. Mus. V. 45, p. 85, (9 ), 1893. 



Female: Piceous brown, except apex of metathorax and the abdo- 

 men, which are more or less black. Antennae, tarsi slender part of 

 posterior femora, and middle posterior tibiae honey-yellow. Head 

 finely and closely punctate, pubescent, metathorax transversely rugulose. 

 Length, 3 mm. 



California. Collected. 



6. G. flavifrons Ashmead. 



Bull. U. S. Mus. V. 45, p. 84, (9), 1893. 



Female: Black, shining, with fine shagreened punctation. Occiput, 

 face, mandibles, palpi, antennae except three terminal joints which are 

 fuscous, and legs, yellow. Anterior femora above almost entirely black. 



