Ooloo'ptera from Chontales. 191 



Long. 7-8 lin. S ? . 



Taken by Mr. Belt in considerable numbers. The 

 largest and broadest species of the genus, and also the 

 most southerly in range, the other species being inhabi- 

 tants of Mexico, and the Atlantic States of N. America. 

 It approaches, in shape of thorax and pubescence, nearest 

 to hirsutipennis (Clievr.)* a much smaller and slenderer 

 insect. 



Ancylocera rugicoUis, Fabr. Syst. El. II. 317. — The 

 elytra in the Chontales specimens seem relatively a little 



* This species has never been descrihed: — Steno:^i)henus hirsutipennis, 

 (Chevrolat, MSS.) u. sp. — Auguste ellipticus, uiger, cano-pubesceus, capita 

 et thorace castaneo-rufis, iiitiilis, nudis, illu grosse scabroso, hoc sparsis- 

 sime pimetulato, basi coustricto, deinde subito rotimdato, dilatato, apicem 

 versus attenuato ; elytris recte truncatis, angulo exteriori spinoso, interiori 

 denticulate, supra vittis quatuor cano-pubescentibus, interstitiis nudis, 

 paulo elevatis ; corpore subtus lateribus grosse punctato ; antennis nigris 

 cano-pilosis. 



Long. 5^ liu. 



Mexico. 



Add : — Stenosphenus trispvnosis, n. sp. — St. cribripenni (Thorns.) proxime 

 affinis, diflfert thorace sparsim tenuiter punctulato, elytrisque dorso striato- 

 punctatis, apice utrinque trispinosis. Niger, femoribus rufis ; thorace an- 

 gusto, elongato, apicem versus augustato, postice parallelo, supra sparsis- 

 sime punctulato ; elytris apice utrinque trispinosis, supra prope suturam 

 carina lata elevata, dorso striato-punctatis, lateraliter confuse piiuctatis. 



Long. G\ lin. 



Mexico. Received from Paris as St. striatopunctatis (MSS.). The 

 name here adopted expresses the remarkable peculiarity of the three- 

 ■ spined apex. 



StenospTienus rufipes, n. sp. — Brevior, niger, antennis et pedibus rufis ; 

 capite grosse sparsim punctato ; antennis articulo primo grosse punctato, 

 3-11 cano-tomeutosis ; thorace elongato, a basi ad apicem angustato, an- 

 gulis posticis prominulis, supra plagiatim punctulato ; elytris (cum ab- 

 domine) brevibus, apice oblique sinuato-truncatis, angulo exteriori producto, 

 acuto, interiori leviter spinoso, supra passim punctulatis, fulvo-pilosis ; 

 femoribus grosse punctatis. 



Long. 6 lin. $ . 



Tehuantepec, Pacific side (A. Boucard). 



Stenosphenus suturalis, n. sp. — Niger, elytris coccineis, sutura late nigra ; 

 thorace breviori, ut in St. amahili, sed antice magis angustato, basi con- 

 stricto, deinde dilatato-rotundato, supra sparsissime punctato ; elytris apice 

 recte truncatis, angulis spinosis, supra punctulatis et leviter fxilvo-setosis ; 

 femoribus et pectore punctulatis. 



Long. 5J lin. 



Mexico (A. Boucard). 



