CHEIRISPA. 71 



P. elongate, subconvex, shining black; scutellum and elytra red. 

 Head with three deep foveoe placed just above the antennae ; first 

 two joints of antennae black (the rest wanting). Thorax sub- 

 quadi-ate, rather broader at the base than long ; sides slightly 

 rounded, narrowed in front, narrowly margined; apical border 

 nearly straight ; above subconvex, irregularly imjiressed and 

 coarsely punctiu'ed on the sides and at the base, disc smooth, 

 irapunctate. 8cuteLlum dull red. Elytra broader than the thorax, 

 oblong- elongate ; sides parallel ; apex regularly rounded, sutural 

 angle obtuse ; above convex, slightly flattened along the suture ; 

 outer border narrowly dilated, indistinctly reflexed ; each elytron 

 with eleven rows of deep distinct punctui'es, the fii'st abbreviated, 

 puncturing coarser towards the outer border ; interstices on the 

 posterior half of the surface costate. Beneath shining black ; 

 intermediate abdominal segments narrowly edged with red. 



Hah. Colmnbia. 



Unique in the British Museum. 



This insect has the sides of its thorax rounded and unarmed, — 

 in that respect differing entirely from any of the former species. 



Genus XVI. CHEIRISPA. Details, Tab. I. Fig. 16. 



Antennoi (fig. 16 a) subfiliformes, basi graciles, apiee subincrassatae ; 

 articulo prime iucrassato, secundo illo longitudine aequali, ob- 

 ovato, tertio elongato, ad apicem paullo incrassato, quarto 

 breviori, obconico, tribus proximis longitudine fere aequalibus, 

 obconicis, caeteris ad apicem paullo incrassatis, oblongis, ultimo 

 acuto. 



Lahnmi (fig. 16 6) siibcylindricum, antice decUve, apice emarginato. 



Mamlibulce (fig. 16 c) trigona3, apice subdentatae. 



Palpi maxillares (fig. 16 d) articulo prime parvo, secundo paullo 



ampliato, clavato, tertio breviori, subclavato, ultimo secundi 



longitudine, ovato, apice subacute; labial cs {^g. 16 e) articulo 



primo paiTO, duobus sequentibus aequalibus, illo clavato, hoc 



ovato, apice subacute. 

 Mentum (fig. 16/) quadratum ; lif/xila (fig, 16 r/) oblongo-quadrata, 



apice rotimdata ; seymento hasilari indistincto, medio obsoleto. 

 Caput maris facie spina curvata instructa ; fcemince facie incrmi. 

 Tliorax transverse -quadratus vel transversus, lateribus rotundatis. 

 Scutellum subpentagonum. 

 Elytra oblonga, convexa, ai)ice rotim^data. 

 Pedes (fig. 16 A) mediocrcs, femoribus anticis incrassatis, wirrresubtus 



spinosis,/(i2>n/)ia inerraibus; tibiis ejusdem paris apice incrassatis, 



interdum dilatatis. 

 Corpus late elongatum aut elongatura, convexum, dorse interdum 



subdepressum. (Type, Cheirispa suturulis.) 



