104 Studies in Kansas Insects. 



Spharagemon Sc. 

 Boston Soc. Nat. Hist., vol. 17; 1874-75. 



Body compressed. Head rather tumid above, the vertex as declivant 

 as the back of the head, broad, tapering rapidly, scarcely sulcate, the 

 eyes separated by more than double the width of the basal antennal joint. 

 Front vertical, scarcely convex on a side view, the costa moderately 

 broad, nearly equal, slightly contracted above the antenna?, more or less 

 sulcate throughout, excepting at the extreme upper end; its lateral ridges 

 continuous with those of the vertex, the lateral foveolae rather small, 

 scarcely sulcate but more or less distinct, triangular, close to the eyes. 

 Eyes rather small, transversely short obovate. Antennae about as long 

 as the hind femora in both sexes, little flattened, especially near the base, 

 some of the apical joints very short. Disk of pronotum moderately flat, 

 the median carina cristate or subcristate, strongly compressed almost 

 from its very base, divided obscurely, but to the very base, by the principal 

 transverse furrow into two parts, the front portion a little the longer, the 

 edge of the ridge straight or nearly straight on the front lobe, and arched 

 more abruptly in front than behind on the hind lobe; lateral carina 

 nearly obsolete, excepting behind ; the front lobes equal, its front margin 

 very slightly angulated; hind lobe expanding posteriorly, its hind margin 

 generally more acute than a right angle. Tegmina extending beyond 

 the tip of the abdomen, nearly equal, slightly sinuous, obliquely excised 

 apically, transversed by three bands of more or less distinctly agglomer- 

 ated dark flecks. Wings subtriangular, yellowish at the base, crossed be- 

 yond the middle by a continuous broad dark belt. Hind femora rather 

 stout and short, scarcely, if at all, surpassing the tip of the abdomen. 



Type. Gryllus sequalis Say. 



Spharagemon bolli Sc. 

 Proc. Bos. Soc. Nat. Hist., vol. 17, 469; 1875. 



Brownish fuscous, the face with a grayish cinereous (male) or yellow- 

 ish cinereous (female) tinge, distinctly punctate, the pits dusky or black- 

 ish; antennae brownish yellow on the basal half, infuscated beyond, the 

 whole more or less annulate with dusky yellow and blackish in the male. 

 Tegmina flecked throughout with minute blackish spots, and transversely 

 trifasciate with rather broad blackish clouds, much more distinct in the 

 male than in the female. Wings light greenish, yellow at the base, with 

 a broad median arcuate band, blackish or almost piceous in color, sending 

 a broad, short shoot toward the base, near the upper border. Beyond, 

 the wing is at first hyaline, with broadly blackish fuliginous veins, while 

 the extreme tip is black as the median band. Hind femora dull brown- 

 ish, quadrifasciate transversely with dark brown, more distinctly in the 

 male than in the female, the basal two-fifths of the hind tibia? blackish, 

 with a broad whitish annulus, beyond coral red.. Crest of pronotum very 

 high, that of the posterior lobe independently arched, much more ele- 

 vated in front than behind. 



Length of the body, male 28.5 mm., female 36.5 mm. ; of antennae, 

 male 16 mm., female 18 mm.; of tegmina, male 32 mm., female 34 mm.; 

 of hind femora, male 18 mm., female 20.5 mm. Described from four 

 males, four females. The males taken September 10, the females July 

 18 and August 18, 21, 23, at Dallas, Tex., by J. Boll. 



This species has been confounded with S. sequale, from which it may 

 be readily distinguished by the hind tibiae; the tip of the wings is gen- 

 erally darker, and the median band does not approach the anal angle so 

 closely; the tegmina are more distinctly trifasciate, the front half of the 

 median crest of the pronotum is less pinched posteriorly, and the hinder 

 half less arched. 



