THE CANADIAN ENTOMOLOGIST. 09 



trochanters and greater part of femora deep brown. Flagellum, apex of 

 first and all of second, third and fourth dorsal segments, ferruginous. 



Type : Coll. Am. Ent. Soc, Phila. 



Type locality, Connecticut. 



Two male specimens ; in the co-type there is a transverse, median 

 black belt on the second dorsal segment. 



Cidaphurus Cressonii, n. sp. — Head and thorax opaque, spine on 

 scutellum rudimentary. Wings subfuscous. Colour pattern much like 

 in Cidaphurus superb us. 



cj . — Length 13.5 mm. Clypeus moderately emarginate, slightly 

 impressed medially, sparsely punctured. Face indistinctly sculptured, 

 punctures separated and distinct on a longitudinal median line, to the sides 

 indistinct, and forming faint ripples. Cheeks more shining and with 

 sparse minute punctures. First joint of the flagellum about as long as 

 the following two united. Dorsulum closely punctured, the punctures 

 closer and finer posteriorly, a somewhat shining line extending from the 

 anterior border to the middle, medially. Mesopleura with regular 

 separated punctures. Scutellum shining, closely punctured, spine rudi- 

 mentary. Metanotum coriaceous. Superior posterior angle margined 

 laterally. Metapleura closely punctured, somewhat shining. Median 

 and marginal cells subfuscous, the rest of the cells paler. Stigma and 

 costal nervure pale, the other nervures brown, second cubitus basally 

 and first and second recurrent nervures apically interrupted by a trans- 

 parent space, first and second cubitus uniting on the radial nervure, 

 second recurrent nervure received by the areolet before the middle. 

 Abdomen shining, polished apically, first segment closely punctured, the 

 punctuation of succeeding segments sparser. Head yellow ; malar space, 

 a line from clypeus to insertion of antennae, and branching out behind 

 insertion, a line on vertex from eye to eye, and occiput, black or nearly so; 

 scape behind and flagellum dark brown. Anterior and posterior margins 

 of prothorax, a loop on each side of dorsulum, tegulae, a line below, nearly 

 one-half of mesopleura, scutellum, greater part of metathorax, apical 

 border on first, second, third and greater part of remaining dorsal 

 abdominal segments, greater part of four anterior legs, apical trochanter, 

 and basal half of tibiae in posterior legs, more or less yellow. A broad 

 median belt extending more than half way back on dorsulum from the 

 anterior margin, mesopleura posteriorly and metanotum anteriorly, and 

 base of first dorsal abdominal segment, black, 



