242 The Ohio Naturalist. [Vol. II, No. 6, 



Some specimens have olive and fuscous markings on pronotuni and traces of 

 fuscous margins on some of the nervures. 



Genitalia : female segment little longer than the penultimate, the lateral 

 margins slightl)' narrowing, the lateral angles slightl}- produced, the pos- 

 terior margin either entire and very slightly produced in the middle or 

 truncate and sharply notched either side of the middle. 



Habitat : Six specimens, all females, have been taken in Colo. 

 Four from Ridgeway on the west side of the Continental Divide, 

 and two from Fort Collins on the east slope. 



ATHYSANUS VACCINII VAN DUZEE. 



Alliysamis shia/u/us Fall (?) (or vaccinii nov) Van Duzee. Eiit. Ainer.. VI. p. 134. 1890. 

 Alliysanits sh iatulus Osb. and Ball. Proc. Dav. Acad. N. Sc, VII, p. 91, PI. V, Fig. 3. 189S. 



Form and size of striatulus, but lighter colored. Smaller and narrower 

 than symphoricarpac, which it approaches in color. Olive testaceous, darker 

 below ; the tips of the anterior and middle femora and all of the tibiae, 

 orange. Length, 9 4-5 mm., $ 4 mm.; width, i mm. 



Vertex sloping, little longer on middle than against eye, twice wider than 

 long. Pronotum much more produced anteriorly than in symphoricarpae. 

 Elytra long, appressed behind, sometimes a trifle flaring at the tip, venation 

 as in symphoricarpae^ the central anteapical cells long and narrow, enlarged 

 at the apex, which is produced beyond the adjoining cells. 



Color : pale testaceous washed with olive, vertex with three transverse 

 fuscous bands, the anterior one broken forward in the middle, the posterior 

 one often reduced to two spots. Pronotum and scutellum with irregular, 

 scattered fuscous spots, the latter with fulvous triangles in the basal angles. 

 Elytra pale testaceous, subhyaline, the nervures slightly lighter, often nar- 

 rowly fuscous-margined. Face and below black, sutures and arcs on front 

 light. Basal two-thirds of femora black, apices and tibiae orange yellow. 



Genitalia : female segment slightly longer than penultimate, the apical 

 margins produced on middle third and again at the lateral angles, which are 

 slightly acute ; male valve rounding, almost semicircular ; plates triangular, 

 a little over twice the length of the valve, black, their margins clothed with 

 long, yellow hairs. 



Habitat: N. J., Md., Iowa, Kans. and Colo. Readily .sepa- 

 rated from the following species by the color of the legs alone. 

 For an explanation of the synonomy see remarks under that 

 species. 



ATHYSANUS STRIATULUS, FALLEN. 



Cicada striatiila Fall. Hem. Suec, II, p. 45, 1826. 



Alliysaniis i)islabilis Van Duzee. Can. Ent , XXV. p. 284. 1893. 



Size and form of the preceding species, but darker and lacking the tawny 

 tinge, legs dark, femora twice annulate with pale. Length, 9 4.5 nmi., $ 

 4 mm.; width, i mm. 



Vertex a trifle more pointed than in vaccinii, distincth- more conical than 

 in symphoricarpae. Elytral venation as in the latter species, sometimes a 

 second cross nervure between the sectors as in osborni. 



