April ,s,6i SUPPLEMENl^ TO PS IX HE. -l^) 



fifths of tlie width between the eves. Prono- and as wide ;\s tlie clvpeus at base, superiorly 

 turn twice wider than long, length once and acute Cheeks broadly, evenly eniarginate 

 four-fifths that of the vertex, curvature one- below the eves, sides below the emargination 

 half of the length, in front with the usual slightly sinuate, moderately broad below the 

 arcuate line. Hind margin of the last ven- lorae, attaining the tip of the clvpeus. An- 

 tral segment with a broad deep emargina- tennae with the six joints following the two 

 tion, the sides of which are strongly sinuate. basal very unusually robust and distinct 

 Pygofers nearly equalling valves, outer Cthread-like portion of the flagellum wanting 

 apical margins slightly concave, and clothed in this specimen). Front one-ninth longer 

 with long slender hairs. tlian wide, edges slightly incurved at the 



Color pale sordid yellowish, brightest on antennae, below this straight to the clvpeus. 

 the head, darkest on the pronotum. Elytra \'ertex slightly convex, length at eves five- 

 very slightly infuscated. Abdomen above. sevenths of length at middle, the latter three- 

 except margins of segments, yellowish, mar- fourths of the width between the eves. Pro- 

 gins of some of the basal ventral segments notum two and one-third times wider than 

 black. Legs with dark dots at bases of tibial long, length a fourth greater than that of 

 spines. the vertex, curvature about three-sevenths of 



Described from a single female taken at the length, hind margin straight. Elytra 

 Las Cruces on Sisymbrium (Ckll., J711). exceeding abdomen by about one millimeter, 

 This is the species mentioned on page 100 of the outer anteapical cell connected with the 

 the Prelim. Li^t. Heniip. Colo. It appears costal margin by two supernumerary cross- 

 to be a Mss. name of Dr. Uhler's which was veins. Genitalia: Plate subangular posteri- 

 never published. It is a quite common in- orly, sotneivhat produced at the apex. Valves 

 sect in various parts of Colorado, and will long triangular, outer edges sinuate and ftir- 

 undoubtedly be found widely distributed in nished with long fine hair; apices produced 

 the west. This species could hardly be con- into long, slender acuminate processes which 

 fused with T. caricis, which is larger, of a form nearly one-third of the total length, 

 much brighter yellow, and has a much more Pygofers a third longer than valves, obtusely 

 produced vertex. It also difliers in the form but narrowly rounded at tips, fuinished on 

 of the last ventral segment. Although a apical half of discs with numerous strong 

 good TAam»o/efi'ix olherwise, yet this species bristles in two or three rows, 

 possesses but one anteapical cell in the ely- Color pale fulvous throughout; slight 

 tra. Had this character been correlated indications of lighter concentric arcs on the 

 with the weak form in the definition of Limo- front; indistinct mottlings on anterior 

 tettix, I should consider that genus founded borders of pronotum and vertex, the latter 

 on reasonable grounds, and this species a with a fine dark median line on posterior 

 good representative of it one-half. Elytra with one or two small 

 Athysanus acuminatus, n. sp. — Rather circular or oval white spots on tlie discs 

 slender, general color pale fulvous; elytra of each cell, these spots surrounded and 

 exceeding abdomen. Length male 4.75 connected by darker clouding most con- 

 mm. spicuous in the apical cells; veins brown, 



Male : Face little less than one-se\'enth -dark towards the apex, 



wider than long. Clvpeus once and two- Described from one male taken at Las 



thirds longer than wide, gradually broaden- Cruces in September 1S94 (Ckll., 2383). 



ing to the apex, where it is truncate-, sides This species differs widely from any other 



slightly concave near the base, basal suture North American species of the genus. It 



curved. Lorae verv large, a third longer, appears to be most nearly related to .t. 



