﻿238 LE CONTE.— SYNOPSIS OF THE 



anterior segments of the abdomen with a medial short elevated crest, the fifth narrow- 

 ly incised at the middle, the pygidium broad and flat ; the spurs of the posterior tibias 

 free long and slender, the tarsi very long. 



Female ovate, apterous ; more densely squamous, with the last ventral segment 

 more prominent, and the pygidium more triangular, but also flat; the spurs of the 

 posterior tibiae shorter and broad. 



Group II. 



Contains species of a robust form and rather large size, having the body glabrous, 

 or nearly so, above. The head is small, the clypeus broadly margined, and hardly 

 or not at all emarginate. The antennae are 10-jointed, the mandibles prominent, and 

 the last joint of the maxillary palpi slender, not impressed. The thorax is widest at 

 the middle, strongly narrowed in front, slightly so behind. The spurs of the posterior 

 tibiae are free in both sexes, but are very broad and obtuse : the claws are armed near 

 the base with a long sharp tooth. 



2. L. sequ alis, ovata convexa, (femina aptera) piceo-nigra nitida, capite convexo scabro-punctato, clypeo 



concavo minus dense punctata, thorace fortiter sat grosse punctato, lateribus serratis rotundatis, pills 

 pallidis depressis parce vestito, elytris fortius punctatis haud costatis, peetore breviter dense villoso. 

 Long. -8. 

 Tostegoptera cequalis Lee. Proe. Acad. Nat. Sc. 6, 440. 



One female found by Mr. Schott, of the U. S. and Mexican Boundary Commission, 

 at Eagle Pass, Texas. 



The spurs of the posterior tibiae are elongate, broad and flattened very much as in 

 L. lanceolata, and the wings are rudimentary ; but the pygidium is convex and strong- 

 ly punctured, and the thorax is formed as in the next species ; for this reason I have 

 placed it in the present group. 



3. L. far eta, ovata convexa, alata, castaneo-rufa, glabra, capite fortiter dense punctato, clypeo late ro- 



tundato, lateribus anguste, apice latius marginato, thorace sat dense punctato, lateribus serratis ciliatis, 

 elytris fortiter punctatis haud costatis, pygidio gibboso, parce punctato. Long. *75 — '95. 



New Braunfels, Texas, Mr. Lindheimer. Body ovate, inflated, convex, shining 

 reddish brown. Head flattened on the disc, densely punctured ; clypeus rounded and 

 broadly margined in front, slightly so on the sides, and less densely punctured than 

 the head. Thorax convex, twice as wide as the head, fimbriate and strongly serrate 

 on the sides, strongly not very densely nor coarsely punctured. Scutellum with two 

 groups of punctures. Elytra more coarsely and strongly punctured than the thorax, 

 without any trace of dorsal costae ; the suture is broad and rugous. Pygidium of both 

 sexes sparsely punctured and protuberant at the middle, though more acutely so in 

 the female. Breast very finely and sparsely pubescent : abdomen with small depressed 

 hairs. 



