258 BULLETIN 45, UNITED STATES NATIONAL MUSEUM. 



In the S the first aud second fiiniclar joints are about equal, oval, the 

 third small, the club 5-jointed, pubescent, the joints, except the last, 

 not longer than wide, slightly pedicellate; lateral ocelli about their 

 width from the eye margin ; while the second abdominal segment at 

 base has two oblong, nearly confluent, finely punctate foveie, the first 

 segment with three grooved lines above. 



Habitat. — Jacksonville, Fla. 



Types in Coll. Ashmead. 



Described from many specimens. 



Inostetnma Packard! Ashm. 



Can. Ent., xix, p. 127; Cress. Syn. Hyiu., p. 249. 



9 . Length, 1.4""'. Black, subopaque, closely, finely punctulate or 

 shagreened. Head transverse, the vertex not impressed, the lateral 

 ocelli not touching the margin of the eye. AntenniB 10-jointed, brown- 

 black, the scape yellowish, fuscous at the middle, the pedicel yellowish 

 at tip; first two funiclar joints about equal, shorter than the scape, 

 third and fourth minute, club i-jointed, stout. Thorax shining, the 

 parapsidal furrows very indistinct anteriorly, the scapulae without a 

 distinct impressed line. Wings hyaline. Legs brownish-yellow, the 

 coxoe black, the thickened part of femora fuscous. Abdomen not longer 

 than the head and thorax together, the horn not extending much be- 

 yond the middle of the thorax, obliquely truncate at tip, basal segment 

 and the second at extreme base finely striated. 



Habitat. — Jacksonville, Fla. 



Type in Coll. Ashmead. 



Described from a single si)ecimen. The short abdominal horn and 

 the lateral ocelli not touching the margin of the eye readily separate 

 the species. 



Inostemma Rileyi Ashm. 



Can. Ent., xix, p. 127; Crcvss. Syn. Hym., p. 249. 



S 9 . Length, 0.5 to 0.8""". Black, polished; the head finely micro- 

 scopically punctate, but shining, the vertex not impressed at the mid- 

 dle; the frons convex without a median groove, the lateral ocelli not 

 touching the margin of the eye. Antenna' 10-jointed, dark brown, the 

 apex of pedicel yellowish ; second funiclar joint subequal with the first, 

 very little longer than thick, third and fourth minute; club 4-jointed, 

 stout, the joints, excei)t the last, broader than long; in S with a 5-jointed 

 club, the joints a little longer than wide, slightly pedicellate, hairy, the 

 last conical; funiclar joints 1 and 2 very little longer than thick, the 

 second obliquely truncate at tip, the third, small, subtriangular. 

 Thorax with the parajjsidal furrows indistinct or wanting, the scapulte 

 w^ithout a grooved line. Wings hyaline, the teguhe piceous black. 

 Legs brownish-piceous, the trochanters, base of tibia^, and tarsi yel- 

 lowish. Abdomen not longer than the head and thorax together, the 



