( 253 ) 



Domoptolis gen. nov. 



S ¥ . Close to Lhjmnognathus. Ilostriim beueath without mesial carina. 

 Eyes of $ enlarged, subaiiiiroxiiualc. Antebasal carina of ijrothorax interrui)ted 

 in middle. Shoulder transversely i)licate. Pygidium long, rounded at ajjex. 



Type : Gymnognathus menetriesi (1844) Boh. 



Strabops gen. nov. 



(?. Close to Gymnognathus. Rostrum short. False mentum mnch broader 

 than long, separated from gula by a transverse groove connecting the buccal 

 hssnres, no mesial carina. Club of antenna long and broad. Eyes enlarged, 

 separated by a very narrow interspace frontally, emarginate above, the npjier part 

 of the head therefore rounded laterally, longer than broad, horizontal, the rostrum 

 being nearly vertical. Lateral carina of prouotum straight, long, reaching to 

 apical third. Pygidium very little narrowed apicad, truncate, twice as long as 

 broad. Legs slender ; foretibia with prominent obtuse a|iical tooth ; midtarsns 

 mnch longer than hiudtarsus. 



Type : S. insignis spec. nov. 



25. Strabops insignis spec. nov. 



(?. Rufescent brown. Rostrum and cheek pubescent white, the former as 

 long as broad, with vestigial mesial carina, and with a lateral longitudinal 

 snlcns jnst above antennal cavity. Eye edged with white, widest behind, twice 

 as broad as occiput, and as long as the rostrnm is at side. Antenna black, 

 segment 1 rufonsy-grey, 3 a little longer than 2 and than 4, as long as 5 + 6, 

 7 and 8 very short, 8 broader than long, 9 half as long again as apically broad, 

 not mnch narrowed towards base, 10 transverse, 11 a little longer than 10, 

 rotundate. Protborax not constricted behind carina, slightly narrowing from 

 angle of dorsal carina to apex of lateral carina, then more strongly narrowing, 

 densely rugose, as long as broad, convex, not impressed ; carina strongly concave 

 in middle, parallel to basal edge of elytra, angle a little over Wf, very slightly 

 rounded ; a widely interrupted mesial vitta, an indistinct, straight, obliciue, 

 dorso-lateral vitta, and sides clayish-grey. Scntellum clayish-grey. Elytra 

 subcylindrical, slightly and gradually narrowed from base to apex, not depressed 

 above, sutural interspace a little impressed, rather coarsely striate-punctate ; a 

 sntural vitta from base to near middle broadly connected fit basal margin with 

 a shorter basal median vitta, an oblique curved streak behind middle from stripe 

 7 to 2, an elongate-triangular apical spot separate from suture, a minute lateral 

 spot below shoulder and another in middle, white ; base of suture and basal 

 half of sides somewhat blackish underneath the pubescence. Pygidium truncate, 

 slightly emarginate, white, with a straight lilack mesial vitta. Underside grey, 

 sides of meso-metasternnm and abdomen denser pubescent, clayish. First 

 midtarsal segment three-fourths the length of the tibia, nearly twice the length 

 of the first hindtarsal segment. Apical tooth-like lobe of foretibia spinosc at 

 edge. 



Length, 4g mm. 



Uab. Upper Amazons. 



1 6. 



