HENRY L. VIEKECK. 385 



each with an oblique channel, the latter seemingly separated from the former by 

 another oblique channel ; a longitudinal channel separating the metanotum from 

 the metapleura; parapsidal grooves almost wanting, indicated only by the 

 merest impression of the tegument; ferruginous, the legs and a stain on each 

 side of the mesonotum black ; wings transparent, but strongly brown, the nerv- 

 ures and stigma a darker brown than the membrane. 



Abdomen. — Ferruginous, tipped with blackish, shining; first and second dorsal 

 segments more or less reticulated and as in militaris, the triangular area of the 

 second segment, however, with its apex attaining the apical margin of the seg- 

 ment; ovipositor 5 mm. long, of the same color as the flagel. 



Type. — University of Kansas. 



Type locality. — Thomas' Ranch, 6000 ft., Oak Creek Canon, 20 

 miles southwest of Flagstaff, in Coconino, Arizona. 

 One specimen taken in August by F. H. Snow. 



ICHNEUMONIDJC. 



Syndipniis erytlirogaster n. sp. 



%. — 9 mm. Head. — Shining, minutely indistinctly punctured, covered with 

 short, silvery, inconspicuous pubescence; the face below the anteunfe almost 

 entirely yellow, the yellow extending up on the front along the eye margin, the 

 rest of the front black, a brown arcuate band extending from eye to eye and 

 skirting the posterior ocelli, back of which the vertex and upper part of cheeks 

 are black like the occiput; cheeks mostly pale brown ; malar space yellow ; man- 

 dibles yellow, tipped with brown ; scape, pedicel and first joint of flagel more or 

 less yellow beneath, blackish-brown above, the second, third and fourth joints of 

 the flagel brownish or blackish-yellow beneath, blackish above, the first flagellar 

 joint about as long as the combined length of the next two, the scape somewhat 

 oviform, nearly twice as thick as the pedicel and nearly three times as long as 

 the latter; clypeus not separatee' from face, about as wide as the eye, truncate; 

 upper half of face below antennae with a median longitudinal slight eminence; 

 palpi whitish. 



Thorax. — In sculpture and pubescence about the same as the head ; dorsulum 

 practically not at all impressed, and brown, excepting its edge laterally and pos- 

 teriorly ; pronotum inconspicuous, black, its pleura roughened, black and brown, 

 with the tubercle yellow; scutellum mostly brown; other parts black, with or 

 without brown stains; metathorax with only the median longitudinal and apical 

 transverse carinse on the dorsal and posterior aspects, but these are strongly de- 

 veloped, the former forming a nearly oblong area and the latter an almost 

 crescentic area, which latter is longitudinally bisected l)y a carina; coxse and 

 trochanters of middle legs and trochanters of posterior legs almost entirely yel- 

 low, the remainder of the anterior and middle legs, excepting tips of terminal 

 tarsal joint, claws and pulvilli which are brown, pale testaceous, posterior ccxie 

 black, with yellowish tip, posterior femora blackish and brown, basal two-thirds 

 of posterior tibiae pale brown, the apical third blackish, the first, second, third 

 and fourth joints of the posterior tarsi yellow to yellowish, with a brownish tint, 

 the apical joint brown, but a paler shade than the claws and onychife; wings 

 transparent, tinted with brown, nervures and stigma mostly dark brown, tegulse 



TRANS. AM. KNT. SOC. XXXIII. (49) .7ANUAKY, 1908. 



