158 K. T. CRESSON. 



67. pedalis, Cress. Proc. Ent. Soc. Phil, iii, p. 141, % ; iv, p. 249, 9 . 

 Nab. — Colorado. A slender, dull black, immaculate species, with 



smoky wings and ferruginous legs, except coxae and trochanters which 

 arc black. J..ength % 9 -55 inch. 



68. puerilis, Cress. Trans. Am. Knt. Soc. i. p. 296, % . 

 mcfiko.rus, Prov. Nat. Can. vii, p. 48, % . 



Hub. — Can., Mass. A long, slender, black, immaculate species, with 

 clear wings, long slender tiliforra antennae which are black above and 

 yellowish beneath, yellow face and pale ferruginous legs except tips of 

 posterior femora, their tibiae and tarsi which are black ; the scutellum 

 is generally dull ferruginous. Length % .40 — .50 inch. 



69. helvipes, Cress. Trans. Am. Ent. Soc. i, p. 297. S ?. 



Phi/ga<U'Mon (iter, Prov. Nat. Can. viii, p. 317, 9. 

 liab. — Can., Mass., Ct., 111. A small robust, shining black species, 

 with clear wings and short robust ferruginous legs; the orbits of S , 

 apex of scutellum and tip of abdomen are white. Lengtli % 9 .25 — 

 .35 inch. 



70. bioculatus, n. sp. 



9- — opaque-black; head small, cheeks flat; broad annolus on anteniiie, dot 

 before tegulfle, scutelluin, atiterior knees? and tibiue, intermediate tibi.-c except 

 tips, broad annulus on posterior pair and two irregularly formeil .sj)ots on each 

 side of middle of second abdominal segment, white; antennae slender, with 

 third joint slender and cylindrical, a little longer than fourth, the joints before 

 apex slightly flattened : mesothorax confluently punctured : scutellum sub- 

 convex, broadly truncate at tip, the basal excavation very deep and lateral 

 carina prominent and sharp; metatborax rugose, truncate behind, central area 

 subquadrate, broadly rounded anteriorly; wings nniformly pale brownish, 

 stigma honey -yellow, nervures dark; legs slender, tips of anterior tibise and 

 four anterior tarsi more or less dull ferruginous, poi»terior coxse beneath nude 

 and closely punctured, opaque: abdomen elongate fusiform, slightly shining 

 at apex ; first segment not broadly dilated at tip, longitudinally rugose and ia 

 profile subjjyramidal ; second and third segments strongly confluently punc- 

 tured, base and middle of second longitudinally rugose, gastrocoeli large and 

 very deep; apical segments almost smooth. Length ..')5 inch. 



%. — Face, clypens, labrum,8pot on mandibles, palpi, scrape beneath, tegul«, 

 abort line before and one beneath, spot on four anterior coxfe beneath, anterior 

 femora in front, four anterior knees, their tibise and tarsi, basal half of i>osterior 

 tibise and base of their tarsi yellowish ; otherwise marked as in 9- 



JIab. — Can., White >lts., N. H, Specimens may be found with 

 the two pale spots on second abdominal segment confluent and form- 

 int; a band. 



