MONOGRAPH OF THE MORTH AMERICAN PROCTOTRYPID^. 257 



Vertex impressed in the middle, frons with a medial furrow. 

 Coxje black, legs dull rufous, base of tibiaj and tarsi yellow. 



Metapleura very rough I. californica, sp. nov. 



Metaplcura smoother, but delicately punctate, with a deep sulcus. 



I. LINTNEIU, sp. nov. 



Inostemma Cressoni Ashm. 



(PI. XI, Fig. 6, 9.) 



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



9 . Leiif^th, 2 to 2.2""". Black, subopaque, minutely puuctulate or 

 shagreened; head transverse, the vertex at the middle and posteriorly 

 impressed, the face with a median depression above the insertion of the 

 antennae, the lateral ocelli touching the border of the eye, AntennsB 

 black or brown-black, the extreme apex of the pedicel yellowish, first 

 two funiclar joints slender, cylindrical, the third and fourth small; club 

 4-jointed, the second and third a little longer than wide, the last con- 

 ical. Thorax with delicate but complete parapsides, the middle lobe 

 a little concave at the middle for the reception of the abdominal horn, 

 the scapulae with a longitudinal grooved line; mesoi)leura faintly acic- 

 ulated, deeply foveated, the fovea extending from beneath the tegulse to 

 between the middle and hind coxa-, metapleura with a whitish or sil- 

 very pubescence. Legs black or piceous, the tibiae and tarsi pale brown 

 or yellowish. Wings hyaline, the teguhe rufo-piceous. Abdomen pol- 

 ished, shining, longer than the head and thorax together, pointed and 

 curving upward at tip, the horn long and extending forward over the 

 thorax to the vertex of head, second ventral segment with 2 aciculated 

 sulci at base. 



Habitat, — Jacksonville, Fla. • 



Type in Coll. Ashmead. 



Inostemma Horni Ashm. 

 Can. Ent,, xix, p. 126; Cress. Syn, Hym., p. 249. 



$ 9 . Length, 1 to lA""". Black, subopaque, closely, finely puuctu- 

 late, the thorax above lustrous; head transverse, the vertex impressed 

 deeply at the middle, the face with a median impressed line. Antennae 

 black, the pedicel and first two funiclar joints a little pale at tip, sub- 

 equal, the third and fourth, minute; club 4-jointed, the second and 

 third joints a little wider than long. Thorax with complete parapsidal 

 furrows, the scapulae most frequently without a trace of an impressed 

 line; mesopleura polished, foveated but not aciculated; metapleura 

 pubescent. Legs black or piceous, the tarsi yellowish, the tibiffi paler 

 basally; wings hyaline, the teguloe black or piceous. Abdomen pol- 

 ished black, as long as the head and thorax together, the horn extend- 

 ing over the thorax to the vertex of head,finely, longitndinally acicu- 

 lated and much thicker at tip than at base ; first segment and second 

 at base, striated. 



21899— Ko. 45—17 



