72 BULLETIN 45, UNITED STATES NATIONAL MUSEUM. 



tirely honey-yellow. The head is slijjhtly lou<^er tluiii wide and wi<ler 

 than the thorax, with a frontal carina. 



Aiitennai 12 jointed, honey-yellow; the scape less than thrice aslonp; 

 as thick; the joints of the tlajj^ellum subnioniliforni, scarcely lonjjer 

 than thick. Thorax as iu .^or<V/^(7*««, the nictathorax smooth with a 

 ridfje in the middle at base. VVinj^s hyaline, the parastif^ma and stigma 

 black, the other veins pale yellow; the secon<l basal cell is much shorter 

 than the tirst ; the backward directed branch of the basal vein is curved, 

 but not as Ion*; as the first briinch of the basal. 



Haihtat. — Jacksonville, Fla. 



Type in Coll. Ashniead. 



Perisemus prolongus Piov. 



Ik'tliyhis prolongtis Prov., Can. Nat., xii, \t. 20."), 9 ; Ashni. Ent. Am., iii, p. 97; 

 Cress. Syii. Hym., p. 218. 



9. Length, 4.2""". lilack, shining; the head very huge, much 

 broader than the tliorax, about twice as long as wide at base and a 

 little broader in front than behind, densely, minutely punctulate, with 

 some feeble thind>lc-like punctures, ^randibles black. Palpi pale. 

 Antennae 12-jointed, honey-yellow; the scape stout, more than thrice 

 as long as thick; the flagellnm nuich thinner, tapering towards tip; 

 pedicel as long as the .^rst flagellar Joint; the second and third a little 

 stouter than the tirst and of an equal length; the following a Ijttle 

 shorter, all longer than thick. Prothorax subquadrate; mesonotum 

 very short; scutellum witli a short, taint tran.sverse line at base; meta- 

 thorax longer, obliquely rounded off" posteriorly, shining, at base finely 

 rugose. Wings aborted, not extending to tip of the metjithorax. Legs 

 black, trochanters, tibia', and tarsi honey-yeHow. Abdomen pointed 

 ovate, much wider than the thorax, highly polished, black, segments 

 2, 3, and 4 emargiuate at apex. 



Habitat. — Ottawa, Canada, and Lafayette, Indiana. 



Type 2 in Coll. Ashmead. 



Described from the type specimen, kindly given me by Mr. Harring- 

 ton. In the National Museum is a specimen, retired August 2.S, 1S88, 

 by Mr. F. M. Webster, from Crambtis caliginosellKs. 



GONIOZUS Forster. 

 Hym. Stud., ii, p. 96 (18r>6) ; I'arasieiola Cam., Trans. Ent. Soo. Lond., 1883, p. 197. 



(Type G.clariperiniHV'nTBt.) 



Head much as in rerisemns; in S much broader than the thorax, 

 with a prominent clypeal carina; in 5 longer and less broad. 



Antennai l.'i jointed, subsetaceous, not inserted so far ai)art as in 

 Perisemusy the scape swollen, twice as long as thick, the first flagellar 

 joint minute, smaller than the pedicel, the following joints moniliform, 

 except in the males, rarely much l<»ngcr than thick. 



Maxillary palpi G-jointed; labial palpi 4-jointed. 



