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EHYNCHOPHOETTS. 



81 





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KHYNCHOPHORUS 



Rhynchophorus, Herbst, Kafer, vi. p. 3 (1795) ; Schonherr, Gen. Cure. iv. p. 816 ; Lacordaire, 



Gen. Col. vii. p. 275 ; Horn, Proc. Am. Phil. Soc. xiii. p. 408 ; Chevrolat, Ann. Soc. Ent. 

 Fr. 1882, p. 560. 



Chevrolat excluded from this genus the Tropical American forms allied to 

 B. borassi, F., all of which have the rostrum very stout, more or less dilated at 





the tip, and non-cristate in the male, and the scutellum small. B. palmarum, 



•e, is the only true Bhynchophorus at present known from within our limits, 



cruentatus. F. (= zimmermannL Fahr.) *, of the Southern 



though it is possible that B 



and Gulf States, may be found to extend southward into Mexico and Guatemala 



cUIU V. 



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All the species attack palms: the North- American insect (according to S. V. Sum- 

 mersf) bores into the roots and stocks of the "palmetto," and B. palmarum lives 



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upon » Cocos? & 



1. Khynchophorus palmarum. (Tab. IV. fi gg. 3, <s ; 4, $ .) 



palm arum, Linn. Mus. Lud. Ulr. p. 42 (1772) l ; Oliv. Ent. v. no. 83, p. 77, t. 2. 

 figg.l6a (S),b{$)\ 



_ 



Rhynchophorus palmarum, Gyll. in Schonh. Gen. Cure. iv. p. 820 3 ; Lee. Proc. Am. Phil. Soc. xv. 



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xxiiui 



p. 424 (1876) 4 ; Chevr. Ann. Soc. Ent. Er. 1882, p. 561 3 ; Lee. & Horn, Class. C< 

 2nd edit. p. 506 (1883) 8 ; Blandf. Kew Bulletin, 1893, pp. 27-60, t. 1 (larva, &c.) 



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Rhynchophorus depressus, Chevr. loc. cit. ( ? ) 9 . 



3 J- ■*■ ' x 



1880) ( $ ) 



8 



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Eab. Noeth America, Southern California 6 west of San Diego 4 . — Mexico ; British 

 Honduras : Guatemala ; Honduras, Euatan I. ; Nicaragua ; Costa Rica : Panama, 



•Jit M. V-'-A 



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South America l 6 to Brazil 3 ; Antilles 4 , Guadeloupe 8 9 , St. Vincent 



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mm 

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An abundant insect throughout the warmer parts of America. Amongst the 



allied forms, the present species may be known 



L -* . 



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black upper 



surface, and the somewhat tapering rostrum, which in the male is mesially depre 



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and furnished with a dense brush 



B. lanuqinosus. Chevr., is no doubt based upon a large male, and B. depressus, 



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Chevr., upon a small female, of B. palmarum, greasy specimens of which have a very 



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from 



The length varies from 23-38 mm 



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* There is a specimen of this species, which varies greatly in colour, in the Sharp collection, labelled 



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" Guatemala, Mus. Turner," but the locality requires confirmation. 







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