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EHODOB^NUS. 



123 







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Eighteen specim 



Distinguishable from the immaculate forms of B. stigmaticu 



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by the rostrum being abruptly b 



broad basal Dortion. whi>h is tm 



mpressed from th 

 side anteriorly, an 



paratively short 

 seen from above 





appears subdentate beneath the base of the antenna, owing to the position of 

 rapidly descending scrobes. 







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4. Ehodobasnus nawradi 



(Tab. VI. figg. 4 



6 , var.) 



Sphenophorus nawradi, Kirsch, Berl. ent. Zeitschr. 1869, p. 233 \ 



Cactophagus nawradi, Chevr. Ann. Soc. Ent. Fr. 1882, p. 580 















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. 



Hah. Costa Rica, San Carlo 



Cachabe (Bosenberg) 



U.S. Nat. Mm.) 



Colombia 2 , Bogota l 



Ecuador 









The sing 



pie from Costa Rica 



a* 



differs from Kirsch's type (kindly 





. i ■ 









communicated by Dr. Heller), and from others before me from Colombia and Ecuador, 

 in having the median and apical velvety-black patches on the elytra united into two 



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. 





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' 











i 





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broad fasc 



B. nawradi 



g 



velvetv -black 





marking 



three 



on 



the proth 











form, i 

 oblong 



< 



sometimes wanting, and a small spot near each hind angle] 

 (a spot on the shoulder, a very large, transverse, inwardly 

 before 



rith sharply-defined 

 patch on the disc, 



and three on each elytron 

 videned patch on the disc 



the middle, sometimes coalescent with the one on the opposite elyt 



and a large transverse or oblique patch near the 



The rostrum is very 













pressed, strongly arcuate, flattened at the tip, pilose beneath, and with the 











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of the submentum (as seen in profile) angularly projectin 









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X 







smoo 



sexes, the apical portion a little 

 pygidium is hairy at the tip. The fe 





The length varies from 



20 millim 











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in the female than in the male 



The 



and tibiae are fringed with short hairs 





















. 















Khodobsenus stigmaticus. (Tab. VI. figg. 5, 5 







Sphenophorus stigmaticus, Fahr. in Schonh. Gen. Cure. viii. 2, p. 244 \ 

 Cactophagus stigmaticollis [sic], Chevr.* Ann. Soc. Ent. Fr. 1882, p. 579 



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. 











2 





Prothorax with a triangular spot on the disc (often wanting), and sometimes a faint streak near the hind 

 angles, black; the elytra each with four sharply-defined black spots — one, large, just below the shoulder, 

 a smaller one, oblique or transverse, some distance lower down, a large one, subtriangular or oblique 



^^^ 



near the suture before the middle (sometimes confluent with the one on the opposite elytron), and one 

 oblique, near the outer margin near the apex. Pygidium thickly clothed with bristly hairs at the tip. 

 c? . Rostrum very stout, arcuate, about as long as the prothorax, closely, coarsely punctate to near the tip, 

 feebly grooved, pilose, and subcrenulate beneath, the basal portion moderately canaliculate and widened 

 the narrow peduncle of the submentum with a tooth at the base and an angular prominence in front • 

 ventral excavation broad, shallow. 





















* Faust (Stett. ent. Zeit. 1893, p. 149) has already noted this incorrect citation of Chevrolat, which refers 

 to Sitophilus stigmaticollis, Gyll., from the He de France. 











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