Longicornia of Mexico and Central America. 169 



Stcnosphenus sexlineatus, n. sp. (PI. VII., fig. 5, <?). 



S. ochraceo (Bates) simillimus ; au varietas ? ; differt tantum 

 tliorace latiori, mox pone angulos anticos latins rotundato, lateribus 

 utrmque puuctis ochraceo-setiferis paucis. Eufo-testaceus, antennia 

 articulis 3 — 11, elytris utrinqiie sutura et lineis laevibus elevatis 

 tribus, nigro-fuscis, intervallis ochraceo incumbenti-pilosis ; cor- 

 pora subtus utriuque ochraceo-piloso. Thorax medio sparsissime 

 punctulato. Long. 12 — 15 niillim. 



Hab. Mexico, Temax in N. Yucatan [Ganmcr). 



Differs from *S'. ocJtraceus, which is found from Chon- 

 tales (Nicaragua) through Guatemala to Durango in 

 North Mexico, in the constantly wider and more 

 broadly rounded thorax, the sides of which, instead of 

 being densely tomentose, have only a few greyish-yellow 

 hairs. 



Stcnosphenus gaumeri, n. sp. 



S. hirsutipenni (Bates) proxime affinis, sed distinctus statura 

 minori, thorace angustiori cum lateribus perparum rotundatis, scapo 

 et femoribus rutis etc. Parvus, angustus, testaceo-rufus politus, 

 elytris castaneo-rufis utrinque vittis ochraceo-pilosis postice con- 

 fluentibus tribus ; antennis (scapo rufo excepto), tibiis et tarsis 

 nigro-fuscis. Subtus castaneo-fuscus politus, lateribus subtiliter 

 griseo-pilosis. Thorax angustus, oblongus, medio pauUulum rotun- 

 dato, dorso fere impunctato. Elytra recte attenuata, apice trun- 

 cata, utrinque bispinosa ; supra sat disperse punctata. Long. 

 9—11 millim. 



Hah. Mexico, Temax in N. Yucatan (Grtwme?-). Three 

 examples. 



Stcnosphenus comus, n. sp. 

 Elongata, capite antice breviori thoraceque breviori quadrato- 

 ovato, elytris dense erecte pubescentibus ; rufo-testaceus, antennjs 

 obscure fuscis. Caput conflueuter piinctatum. Thorax lateribus 

 dense pubescens, dorso sublaevi punctis majoribus piliferis. Elytra 

 apice paullo oblique truncata, angulis acutis, brevibus ; dense 

 passim piloso-punctulata. Long. 9 millim. 



Hah. Mexico, Villa Lerdo in Durango (Hoge). Two 

 examples. 



Stcnosp)henus vitticolUs, n. sp. (PI. VII., fig. 6, ? ). 

 Pallide fulvo-testaceus nitidus, capite et thorace vitta mcdiana 

 nigerrima, elytris sutura anguste et intcrdum lineis abbrcviatis 



