196 LAMELLICORNIA. 



IV. Lower tooth of the claws long, acute, and distant from the apex; basal tooth small. 

 1. Lower spur of the hind tibiae connate. 



23. Ladmosterna rornlenta. (Tab. XI. fig. 7, s .) 



Ancylonycha rorulenta, Burm. Handb. der Ent. iv. 2, p. 33] \ 



Fhytalo pruinoso similis, sed major et robustior. Oblonga, fulvo-castanea, pruinosa, pectore fulvo-birsuto ; 

 clypeo sat parvo, subsemicireulari, medio antice sinuato, cum fronte subconfluenter punctafco • thorace 

 valde disperse rotundato-punctato, angulis posticis fere rectis ; elytris punctulatis, costis vagissimis baud 

 elevatis, laevioribus, stria punctata suturali (postice excepto) parum impressa. 



6 • Pygidium parum convexum, apice fimbriate excepto nudum, disperse punctulatum. Venter convexus, 

 medio fere lsevis, vage canaliculars, segmento 5° apice medio depresso et punctulato, 6° antice et postice 

 carinato medio sulco transverso ruguloso. Calcar posticum inferior breve unciforme infixum. Ungues 

 dente inferiore submediano late acuto, superiore valde curvato ; basi obtuse dilatati. Antennarum clava 

 sicut in 5 ovata. 



2 . Elytra versus sutuxam et apicem longissime erecte pilosa. Pygidium dimidio apicali medio depresso- 

 planatum et utrinque elongato-callosum. Venter convexus, polifcus, suturis vix deletis, segmento 6° basi 

 convexo, laevi, apice transverse depresso et grosse punctato. Calcaria postica sat elongata et acuta. 

 Ungues dente inferiore submediano, elongate. 



Long. 20-22 millim. 



Hab. Mexico, Las Vigas (Hoge) ; Guatemala, Torola [Champion) ; Costa Rica 

 (Van Patten). — South Amekica, Venezuela 1 . 



Ten examples, besides one male from Merida, Venezuela, whence Burmeister's 

 specimens were derived. The Costa Eican specimen is figured. 



24. Laclmosterna chiriquina. 



L. rorulentce affinissima, forsan ejus varietas localis. Pulvo-testacea minus pruinosa, tborace polite, nudo, 

 paullo densius punctato. Quoad capitis formam simillima ; sed § pygidio valde differt. 



3 . Pygidium paullo convexum, politum, confuse punctatum, postice medio canaliculatum. Venter sicut in 



L. rorulenta S convexus, medio vage canaliculars, sed differt subtiliter punctulatus velut coriaceus ; 

 segmento 5° apice depresso et densius punctulato, 6 d transversim bicarinato. Calcar posticum inferior 

 parvum infixum. Ungues dente inferiore submediano exstanti acuto elongate 

 5 . Pygidium subtriangulare, apice bimammillatum. Venter omnino punctulatus, segmento 6° convexo, basi 



laevi, apice punctato. Ungues sicut in tf . 

 Long. 20-22 millim. 



Hab. Panama, Volcan de Chiriqui (Champion, Trotsch). Seven examples. 



25. Lachnosterna parvisetis. 



L. rorulentoe proxime affinis. Obscurius rufo-fusca, pruinosa, supra punctis omnibus seta minuta instructis ; 



clypeo minore, citius rotundato plerumque densius punctato. 

 J . Pygidium parum convexum, nudum, medio postice canaliculatum. Venter calcaria postica et ungues 



sicut in L. rorulenta. 

 5 . Pygidium fere sicut in L. rorulenta $ , apice late depressum, subconcavum, nitidum, utrinque callosum. 



Elytra sparsim longe erecte pilosa. 

 Long. 20-25 millim. 



Hab. Mexico, Teapa, Cordova (Salle). 



