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122 



EHYNCHOPHOEA. 



finely, the fifth ventral segment coarsely, punctate, the latter transversely depressed in the middle at the 

 apex in the <5 , the ventral depression shallow in both sexes, but conspicuous in the ^ . 

 Length 16-19, breadth 6-7 millim. (<?$.) 



Hab. Mexico, Santecomapan in Vera Cruz (Salle) ; Nicaragua, Chontales (Janson) ; 

 Costa Rica, Boca de Limon (Pittier) ; Panama, Bugaba, Volcan de Chiriqm (Champion), 

 Chiriqui (Trbtsch). — Ecuador (coll. Fry). 



Seven specimens. This insect resembles Phyll erythrurus sanguinolentus in colour, 

 but it is much narrower ; the rostrum is smoother and abruptly bowed from the 



b 



the peduncle of 



e 



m is narrow and not sulcate ; 





the middle coxae are more 

 velvety-black, the apical poi 



ly separated 



th 



hav 



the 



bluish-grey-pruinose, and the fourth 



edian third 

 rstice undi- 



lated at the base ; the pygidium is strongly carinate, & 



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2. Rhodobaenus plicatus, sp. n. (Tab. VI. figg. 2, 2 a, 2 .) 



Elongate, robust, opaque, Mack, plumbeo-pruinose. Rostrum exceedingly stout, regularly arcuate, about as 

 long as the prothorax, closely, coarsely punctate to near the tip, pilose and shallowly sulcate beneath, the 

 moderately- widened basal portion feebly sulcate up to the frontal fovea, the apical portion more sparsely 

 punctured in the $ , the peduncle of the submentum in this sex with a longer and more acute prominence 

 than in the S • Prothorax as long as broad, rapidly narrowed from about the middle, abruptly constricted 

 and tubulate in front, feebly bisinuate at the base; sparsely, finely punctate, the disc transversely depressed 

 on each side before the middle and with a larger, deeper excavation in the centre towards the base. 

 Scntellum elongate-triangular, narrow. Elytra moderately long, gradually narrowing from the rounded 

 humeri, with three transverse depressions on the outer part of the disc — before, at, and just beyond the 

 middle; finely punctate-striate, the interstices faintly uniseriate-punctate. Pygidium sparsely punctate, 

 clothed with bristly hairs at the tip. Metasternum flattened, the broad ventral excavation of the g 

 reaching forwards to beyond the middle. Legs stout ; femora and tibiae fringed with short hairs, the 

 tibiae broad, feebly sinuate within. 



Length 14-17, breadth 4|-6 millim. ( <S $ .) 



Hab. Costa Rica, La Palma {Biolley ; Maxon, in U.S. Nat. Mies.), Carrillo (Biolley). 



Thirteen examples. Very similar to the immaculate form of R. stigmaticus, but 

 separable therefrom by the abruptly tubulate anterior portion of the prothorax, the 

 disc of which is trifoveate, and the uneven elytra. 



3. Rhodobaenus olivaceus, sp. n. (Tab. VI. figg. 3, 3 a, $ .) 



Very like the immaculate form of R. stigmaticus (infra) ; the pruinosity of the surface uniformly cinereo- 

 olivaceous, the prothorax immaculate, the elytra sometimes slightly darker in the places occupied by the 

 black spots in R. stigmaticus (at the shoulder, below it, near the suture before the middle, and on the 

 outer part of the disc near the apex) ; the rostrum with the basal portion comparatively short, tumid on 

 each side above the points of insertion of the antennae, and abruptly bowed downwards from this place, 

 the apical portion compressed, very sparsely punctate laterally towards the base in the $ and almost 

 smooth in the $ , the tooth-like prominence at the tip of the peduncle a little larger in the $ than in 

 the c? , the scrobes rapidly descending ; ventral excavation of the <? long and shallow, the fifth segment 

 slightly depressed or subfoveate at the apex ; the intermediate coxae more narrowly separated ; the 

 metasternum somewhat tumid anteriorly and with the intercoxal process conical. 



Length 9f-13^, breadth 3|-4| millim. ( c? $ .) 



Hab. Panama, Bugaba, Caldera, Volcan de Chiriqui (Champion), Chiriqui (Trbtsch). 





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