Jan., 1922 synopsis of the genus stenocranus 77 



three times as long as first. Pronotum long, proportionateh^ broad; 

 carinas on account of their whitish color are indistinct, the lateral ones 

 not attaining the hind margin. Elytra long, narrow, enlarging towards 

 the apex, well rounded at tips. Legs slender; calcar typical, slender, 

 pubescence slight. 



General color light yellowish-brown to brown. Dorsum with more 

 or less distinct whitish vitta, continued by the pale commisural nervure 

 of the closed elytra. Carina? of vertex, front and clypeus whitish with 

 intra-carinal spaces black. Distal end of basal segment of antennae 

 with black mark, a similar mark on the cheek below the ocellus. Pro- 

 notum for the most part of a pale whitish color, a fuscous band bordering 

 each side of the median white vitta, and fuscous markings at sides of 

 pro- and mesonotum. Scutellum whitish. In the female the elytra 

 are of a uniform pale yellowish to brown hyaline, with nervures whitish. 

 In the male the inner half of the elytra below the commisural nervure 

 is more deeply enfumed ; the tip of the elytron beginning with the trans- 

 verse veins is deeply infuscated, forming an almost round apical dark 

 area within which the nervures are fuscous. 



Female ovipositor sheath longer and narrower than in dorsalis, 

 pale in color, the ovipositor fuscous. 



Male pygofer rather long and narrow, with ventral margin deeply 

 and acutely angled emarginate; genital styles long and slender, stouter 

 at base. 



Length of body, female, 3 mm.; male, 2.5 mm.; length to tip of 

 elytra, female, 5 mm. ; male 4.25 mm. 



Described from a series of ten females and five males taken 

 by the writer sweeping sedges and marsh vegetation at Moss 

 Point ferry across Pascagoula River, Pascagoula, Miss., 

 Aug. 8, 1921. 



Holotype and allotype in author's collection. Paratypes 

 deposited in U. S. National Museum and collections of the 

 State Plant Board of Mississippi. Prof. Herbert Osborn and 

 Z. P. Metcalf. 



Stenocranus croceus Van D. 

 (1902 Bui. Buf. Soc. Nat. Sci., v, p. 233). 



Closely allied to dorsalis but very much smaller, of a general 

 yellowish-orange appearance, and the front is shorter and wider. 



Vertex short, produced beyond the eyes about one-third its length, 

 carinse distinct. Front long, rather broad, narrowing gradually to 

 base and slightly rounded to clypeus, tricarinate. First antennal seg- 

 ment one-third as long as second. Pronotum as long as vertex, tri- 

 carinate, carinae attaining hind margin. Scutellum about twice as long 

 as pronotum, tricarinate. 



