NOKTH AMERICAN HYMENOPTERA. 43 



Stigma and venation light brownish yellow, the first abscissa of radius about 

 two-thirds the length of the second. Abdomen oblong-oval, the surface finely 

 wrinkled but shining; ovipositor less than half the length of abdomen. 



Hab. — Jacksonville, Fla. 

 Types in coll. Ashmead. 

 Taken by sweeping. 



5. H. vulgaris sp. n. 



'^ 9-"~Length 1.5 — 2 mm. Honey-yellow, with usually some obscure or fus- 

 cous markings; antennse brown, much longer than the body, 20-jointed in both 

 sexes, the joints after the third about four times as long as thick ; mesothoracic 

 lobes (the middle at base and the laterals towards base), metanotum and plate of 

 first abdominal segment more or less brownish or fuscous. Legs pale honey- 

 yellow, the terminal joint alone dusky. Wings hyaline, the stigma and vena- 

 tion light brown or yellowish, the first abscissa of radius being two-thirds the 

 length of the second. Abdomen elongate-oval, fully as long as the head and 

 thorax united, shining, but with a faint alutaoeous sculpture; ovipositor only 

 one-fourth the length of abdomen. ' 



Hah. — Jacksonville, Fla. 



Types in coll. Ashmead. 



Common in April. Allied to H. atriceps, but of a more elongate 

 shape, and otherwise separated by the color of head and the number 

 of joints in the antennae. 



HORMIOPTEKUS Giraud. 



The type of this genus is from Algiers, and was reared from a 

 lepidopterous larva, CEcocecis sp., producing a gall on Limoniaxtntm 

 yuyanianum. 



Two species have been recognized in our fauna as follows : 



Entirely black ; anterior wings with a distinct white band. 



Hind 00X88 and femora black ; ovipositor two-thirds the length of abdomen. 



H. rasciatu.« sp. u. 

 Dark fuscous; head, markings on thorax and usually the base and apex of ab- 

 domen ferruginous; wings subfuliginous, with some whitish streaks, but 

 without a distinct white band. 

 All legs dull ferruginous; ovipositor half the length of abdomen. 



H. aciculatiis Cr. 



1. Horiiiiopterus fasciatus sp. o. 



9 . — Length 4 mm. ; ovipositor nearly 2 mm. Black ; face below antenna? and 

 the mandibles, except teeth, dull ferruginous; antennae, basally, ferruginous; 

 hind coxfe and femora black: basal one-third of anterior wings, a transverse 

 band across from the base of stigma and a spot in marginal cell at tip of stigma, 

 white: otherwise smoky. Middle lobe of niesoscutum with a longitudinal 

 carina posteriorly just in front of the scutellum : two crenate fovese at base of 



TKANS. AM. ENT. SOC. XX. APKIL. 1893. 



