













METAMASIUS. 



105 







4 



a 1 . Prothorax black. 























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i 





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a 8 . Elytra with a post-basal ochreous fascia . • . . callizona, Clievr. 



b 8 . Elytra with a submediaxi narrow ochreous fascia . . ochreofasciatus, sp. n 



c 8 . Elytra obliquely rufo-bifasciate on the disc . . • nudiventris, sp. n. 



b 7 . Prothorax rufo-vittate, the elytra ferruginous, spotted 



with black, and also with a common, interrupted, 



saddle-shaped, ochreous patch scutatus, sp. n. 



e 5 . Under surface sparsely, coarsely punctate ; metasternum, 



prothorax, and elytra ruf o-maculate ; posterior tibiae fringed 



with extremely short hairs, as in ? ; rostrum strongly 





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compressed maculiventris. sp. n 



f\ Under surface and prothorax closely punctate ; posterior 



tibiae fringed with extremely short hairs, as in $ ; prothorax 

 and elytra usually rufo-maculate. 



c 7 . Body densely pruinose ; pygidium cristate hebetatus, Gyll. 



d 7 . Body less densely pruinose ; pygidium (?) feebly bi- 



fasciculate at the tip octonotatus, sp. n. 



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L 



l. Metamasius sericeus. (Tab. V. figg. 8, 8 a, $ , 9, 9«, <? , vars.) 







Calandra sericea, Oliv. Ent. v. no. 83, p. 84, t. 28. fig. 409 l ; Latr. in Humb. & Bonpl. Obs, Zool. 







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i. p. 206, t. 22. fig. 4 



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Sphenophorus sericeus, Gyll. in Schonh. Gen. Cure. iv. p. 896 3 ; Jacq. Duval, in Sagra's Hist, fis., 







it. y nat. de Cuba, Ins. p. 96 



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Metamasius sericeus, Horn, Proc. Am. Phil. Soc. xiii. p. 410 ° ; Lee. op. cit. xv. p. 331 

 Var. Calandra dimidiata, Sturm, Cat. p. 106 (1826) 7 . 



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Var. Rhyncophorus carbonarius, Chevr. Col. Mex., Cent. i. fasc. 1, no. 20 (June 1833) 



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Sphenophorus carbonarius, Schonh. Gen. Cure. iv. p. 897 9 ; Boh. op. cit. viii. 2, p. 238 





















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<$ . Rostrum angularly thickened near the apex (as seen in profile) and obsoletely sulcate beneath, the long outer 

 portion moderately stout and finely punctate ; ventral excavation long and deep ; femora and tibiae strongly 



















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fulvo-ciliate, the prosternum with a space in front of the acetabula, the anterior and intermediate coxse, 

 and a large space at the apex of the fifth ventral segment, also clothed with long, erect, fulvous hairs. 

 2 . Rostrum neither thickened near the apex nor sulcate beneath, the long outer portion much more slender 

 and almost smooth ; ventral excavation shallow, the fifth segment with two small tufts of fulvous hair 















at the apex, the femora, tibiae, and prosternum with shorter hairs. 







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Hah. North America, California 5 6 and Arizona 6 . — Mexico 3 8 9 10 ; British 









Honduras ; Guatemala ; Nicaragua ; Costa Rica ; Panama. — South America 3 to 



Peru 2 3 ; Antilles, Cuba 4 ~ 7 , Haiti, San Domingo 1 2 4 . 



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Abundant throughout the warmer parts of Central America. It is perhaps doubtful 



whether Jf„ sericeus can be retained as distinct from the equally variable M. hemi 



ambigmis, decoratus, saccharic and nigerrimus, Gyll.*) ; but as the latte 



. m 



seems to be confined to Tropical South America f (up to as far north as Colombia) 



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* I have seen the types of these four forms. 



f In the British Museum there are two specimens of it, from the Bo wring collection, labelled " Mexico," 



* 





but this locality requires confirmation. 





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