G. C. DAVIS. 361 



TriclioiiiH reticulata n. sp. 



9 . — 10 mm. ; ovipositor 5 mm. Head yellow, slightly tinged with rufous be- 

 hind eyes; vertex, except orbital lines, and occiput black; antennae and teeth 

 of mandibles reddish brown ; eyes, face and cheeks bairy; thorax dark rufous, 

 with stripe on central anterior mesonotnm, prothorax except triangular portion 

 in front of tegulse, sternum and base and apex of metathorax. black ; mesonotum 

 has parapsidal cai'infe instead of grooves ; each side of these carinte the surface is 

 reticulate ; rest of mesonotum is coarsely punctured ; pleurte shining, finely punc- 

 tured ; scutellum longitudinally concave, elevated posteriorly and traversed by 

 a sharp transverse carina*; metathorax coarsely reticulate; wings yellowish hya- 

 line, nervures and stigma reddish brown, areolet wanting, the second recurrent 

 uervure uniting with the cubital far back of the cubito-discoidal junction, third 

 discoidal {;ell but little narrowed at base ; legs rufous, anterior legs paler, posterior 

 tarsi yellow, apex of femora and apical half of tibije on posterior legs, black : 

 legs slender, posterior femora somewhat swollen ; abdomen slender, strongly 

 compressed ; rufous, black on dorsum of segments two and five ; most of segments 

 six and seven ])iceous. 



One specimen tVoni Agrienlturul College, Michigan. Taken in a 



swamp July 25th. 



C'ainpoplex relectiiin n. sp. 



9. — 11 mm. Black, with apex of abdominal segment 1, apical third of 2 and 

 all of the following segments, rufous: hind legs black with their tibipe fulvous 

 except extreme base and apex, which are black; intermediate tibite and apex of 

 their femora and all of front legs except eoxse and trochanters, fulvous; wings 

 subhyaline, iridescent, areolet large, petiolate ; head and thorax pilose, densely 

 punctured ; metathorax with lateral longitudinal ridges, between which it is 

 broadly concave; abdomen strongly compressed, si>iracles of petiole two-thirds 

 from the base. 



One specimen from Franconia, N. H. (Mrs. Slosson). , 



Caiiiiioplex occideiitalis n. sp. 



% 9- — y mm. Black, with segments 3-5 of abdomen rufous; four anterioi' 

 legs yellow with their femora fulvous; hind legs black with base of femora ru- 

 fous and tibia? and tarsi piceous; mandibles, palpi and tegulte yellow; wings 

 hyaline, nervures and stigma dark brown; areolet petiolate; body pilose, head 

 and thorax closely punctured ; metathorax without carina. 



Several specimens from Seattle, Wash. (Prof. O. B. Johnson). 



Zaclirasta obesa n. sp. 



9. — 10 mm.; ovipositor .3 mm. Black, with mandibles, anterior legs beyond 

 trochanters, middle legs from apex of femora, broad annulus on posterior tibia-, 

 abdominal segments 3-5 and apical half of 2, fei'ruginous ; wings hyaline, ner- 

 vures and stigma reddish brown ; areolet large, petiolate : head and thorax pilose, 

 finely and closely punctured, less closely on pleura?; head fiat, disc-shaped, eyes 

 emarginate, antennse with short segments and but little longer than head and 

 thorax ; thorax large, gibbous, but little longer than broad ; metathorax withoul 

 carina; and with broad, longitudinal, concave depression ; spiracles large, linear ; 



TRAN.S. .VM. K.NT. SOC. XXIV. (46) DECEMBKR, 1897. 



