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152 



KHYNCHOPHOEA. 













SCYPHOPHORUS 







Scyphophorus y 



iv. p. 855 (1838) ; Lacordaire, Gen. Col. vii. p. 294; Horn, 

 (1873) ; Leconte, op. cit.xv. p. 331. 









A 



g 



easily separable from the rest of 



Amer 



Sphenoph 



by th 



flattened, spongy, apical portion of 



I follow Leconte in reducing 



of 



species to two, S. acupunctatus, Gyll., and S. yucca, H 



* 



These insects attack Amaryllidese and Liliacese (Agave, Furcrcea, and Yu 





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l. Scyphopho 



punctatus. (Tab. VII. fig 



32. 32 



Sajphophorus acupunctatus, Gyll. in Schonh. Gen. Cure. iv. p. 857 '; Horn, Proc. Am. Phil. Soc. 



xiii. p. 409 s ; Lee. op. cit. xv. p. 331 3 ; Duges, La Naturaleza, v. p. 124, t. 3. figg. 6, 6 a-j 



(1881) 



Chevr. Ann. Soc. Ent. Fr. 1882, p. 577 5 ; Duges, Ann. Soc. Ent. Belg. xxx. p. 33, 



















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t. 2. figg. 11 



886) 











Scyphophorus interstitialis, Gyll. loc. cit, p. 856 7 . 



ero 8 



Scyphophorus anthracinus, Gyll. loc. cit. p. 858 











Rhyncophorus asperulus, Lee. Pacif. R. Rep. 1857, p. 58 







Scyphophorus robustior, Horn, loc. cit. p. 409 



10 





Hab. North America. Colorado 3 . Californ 



New Mexico, Arizona. Texas 



» - 



Mexico 1-6 8 ; British Honduras ; Guatemala ; Salvador ; Costa Rica. — Venezuela, 







Caracas 8 ; Cuba 5 ; Haiti 5 7 . 





An abund 



insect in our region, varying greatly in size, in the shape and punc- 



turing of the prothorax, and in the sculpture of the elytra, the interstices b 









some examples and convex in others. The male has the first ventral segment anc 

 adjacent portion of the metasternura broadly depressed down the middle. The fe 







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has the prothorax less 



at the 



m smoother, more slend 





the tip, and the femora and tibise clothed with shorter hairs than 





male. 



pupa of S. acupunctatus 



he gives the food -plant as Agave mexicana and A. cubensis. Some of Biolley's Costa 



Riean examples are labelled 



having been fo 



Agave americana and F\ 



berosa. Leconte 3 states that it lives on Yucca 



One 



ecimen in the British 



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Museum is ticketed "bred in greenhouse, Windsor, 1891." The length varies fro 



10-19 mm 



A male from Oaxaca with a strongly developed prothorax is figured. 



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. 







SPHENOPHORUS. 





- 



Sphenophorus, 



(1838) 



(part.) ; Horn, Proc. Am. Phil. Soc. xiii. p. 411 (exclud. Group II.) ; Leconte, op. cit. xv. 



. 



- 



* 



) 



* We are indebted to Mr. Wickham and Prof. Chittenden for specimens of this Californian insect. 

 It feeds on Yucca gloriosa. 



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