870 ZOOLOGY INSECTS. 



pale ring near the base. Wings very slightly fuscous. Genital segment 

 elongate, acuminate ; cerci slender, but not acute. 



<?. Length 25 millimeters. Texas. 



Posterior lobe of the pronotum very distinctly punctate and rugulose. 



SYRBULA FUSCO-VITTATA, sp. nov. 

 PLATE XLIII, FIG. 5. 



Male. Antennae a little longer than the head and thorax, filiform ; 

 apical half somewhat enlarged, acuminate at the apex. Top of the head 

 about as long as the pronotum, slightly ascending, tricarinate. Vertex 

 short, horizontal ; margins slightly elevated, rounded somewhat acutely at 

 the front ; tempora almost or quite obsolete, submarginal (if present). 

 Face _quite oblique, straight, quadricarinate, the middle pair subparallel. 

 Pronotum slightly constricted in the middle, tricarinate, the lateral carinse 

 slightly and regularly curving inward at the middle, a little wider apart at 

 posterior extremity than at the anterior; posterior sulcus subdistinct, situated 

 a little behind the middle ; anterior margin subtruncate ; posterior margin 

 obtusely rounded. Elytra narrow, extending slightly beyond the abdomen, 

 semi-transparent ; the lower (anterior) field without veinlets on the basal 

 half; the apical half with regularly transverse veinlets; the middle portion 

 of the upper (posterior) part of the disk with similar transverse veinlets. 

 Wings narrow, as long as the elytra. Abdomen slender ; subanal plate with 

 a slight tubercle on its upper margin ; apex acuminate ; cerci slender, cylin- 

 drical. Posterior femora slender, elongate, extending beyond the abdomen. 

 Posterior tibiae with numerous minute spines, seventeen or eighteen in the 

 outer row. Prosternum unarmed. 



Color (alcoholic). Ferruginous or rufous, varied with fuscous and 

 yellowish stripes. Face rufous ; cheeks and occiput ferruginous-brown, with 

 two narrow, dim, paler, longitudinal lines each side. Pronotum ferruginous, 

 with a broad fuscous stripe on each side ; the lower margin striped with 

 yellowish. Upper (posterior) margin of the elytra yellowish, forming a 

 dorsal stripe when closed ; a narrow, submarginal, yellow stripe along the 

 costal (lower) submarginal space, extending from the base about half the 

 length of the elytra; remainder dark fuscous, forming a broad middle stripe 



