: 













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. 





54 



KHYNCHOPHOKA. 







. 





irregular and a little more diffuse around the large, deep, rugose, Gubtriangular basal depression, the 

 latter sometimes with a short longitudinal carina at the base. Scutellum very small, narrow. Elytra 

 slightly wider than the prothorax, subparallel, flattened below the base; very coarsely and closely 

 seriate-punctate, the punctures at the base of the suture strongly transverse, the interstices narrow, 



convex, faintly punctate. 



slightly depressed down the middle posteriorly. Anterior tibiae almost straight on their inner edge. 





■ 



. 



- 





Beneath somewhat closely punctate, the ventral segments 1 and 2 



very 









Length 6-7*, breadth 2-2f millim. ( 







- 





Hob. Nicaragua, Chontales (Belt, Jt 



• 



■ . 



One male * arid thr 



femal 



Recog 



by th 



sh 



mos 



straight, 



■ 







feebly convex ( s ), gradually widened rostrum, and the deep 



flattened ( 2 ) or 



subtriangular basal fovea of the prothorax, the disc of the latter coarsely, closely, 



















;ly punctate. 



- 



the base than in C 



of 



The rostrum is flatter, more closely punctate, and more narrowed 



lotus. The present species is the only Central- American 

 ;sent known with the rostrum differing markedly in form 









pi 





- 



the two sexes, that of the female being much flattened 







. 





; 



21. Cossonus corticalis 





(Tab. II. fig 



28, 28 a, 6 .) 













■ 



Cossonus corticalis, Fabr. Syst. Eleuth. ii. p. 497 1 ; Rosensch. in Schonh. Gen. Cure. iv. p. 1012"; 



Oliv. Ent. v. no. 83, p. 426, t. 35. fig. 536 3 . 



Cossonus bulbirostris, Perty, Del. Anim. Art. Bras. p. 83, t. 16. fig. 14 4 . 



■ 



Cossonus reticulatus, Sturm^ Cat. p. 125 (1826) \ 



Cossonus sulcirostris, Boh. in Schonh. Gen. Cure. iv. p. 1011 * ; Faust, Stett. ent. Zeit. 1896, 







* 













• 





. 





p 



133 7 



(May, 1909) 









Icifrons, Dupont, in Mu 





9 











Hob. Mexico 6 9 , Durango, Gnerrero, Vera Cruz, Oaxaca, Chiapas, & 



DURAS : GUATEM 



Honduras, Euatan I.: N 



Costa Rica : Pan 



Hon- 



SOUTH 



. 













■ 





America l , Colombia 2 , Venezuela 7 , Ecuador, Cayenne 3 , Brazil 2 4 5 , Peru, Trinidad, & 



x < 



abundant insect throughout Tropical America, ranging from Durango to Brazil. 



It is easily recognizable by the short, abruptly, apically dilated, sulcate rostrum in both 





. 



sexes ; 



the 



equally punctate prothorax (a long 



along either side of 



g 



here and there 





mu 



ih more finely punctured), with a triangular, rugose, carinate basal fovea, preceded 

 by an irregular double row of coarse punctures ; the coarsely crenate-striate elytra, &c. 

 The first two ventral segments are slightly depressed down the middle in the male. 











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■ 







■ 











r 



I have seen about 150 examples from the above-quoted Central and S.-American 

 localities, and there can be no reason to suppose that C. sulcirostris is 





■ 











from C 



corticalis. The rostral g 

 in the middle. The length varies from 



etimes shallow 



pted 



4-84 



mm 



C. sulcirostris, Fall, from San 



Jose del Cabo, Lower California 8 , is stated to have the rostrum feebly dilated apically, 



* Since lost, while under examination. The specimen figured is a $ , not a $ as stated at the bottom of 



• ■ ■ • > ... 



the Plate. 













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. 

















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