j(,li^ I I", II. (luAVKi.v : I'fissalidar nj tin- Wmhl. 75 



Erionomus trichostigmoides m. sp. 

 Y\. Vlll. I. 1-. 7(1. 

 Two .spotiineiis. one Iroiii Dai-es-Salaani, and one .said to cuinc from Santa Catharina 



in S. E. Brazil. Length 2ry-9-h '"'"• 



This species liears a clo.se .su])erficial resemblance to species of the Oriental genus 



Trichn.stigmus from which however, it may readily be distinguished by the .structure of 



the iiiim(lil)('s. ami of the lateral areas of the metasternuni. which rcseml)le those of its 



African allies. 



The antennal lanifllac are extremely short. The surface of the head is polished and 



somewhat ru"ulose : the fiontal area is fully as broad as long, and the inner tubercles are 

 somewhat iiuli.stinct. The pronotum is without .strong punctures ; its grooves resemble 

 those found in other nioiiil)ers of the genus. The meso.sternum is punctured and hairy 

 in front, and rougliened and hairy behind, with a small smooth and hairless area in the 

 middle. The metasternum is punctured and hairy, except in the central and posterior 

 parts of the central area. The punctures in the grooves of the elytra are more or less 

 obsolete, but the eighth to tenth ribs are covered with small hair-bearing punctures. 



Erionomus alterego (Kuwert). 

 Eiiosloiiiis allfieyii. KuwiMt. I.s'.ts. p. i:'i.s. 



Two specimens from Abetefi, Ashanti. Length 29-31 mm. 



The antemial lamellae are very short. The anterior margin of the head bears a more or 

 less distinct median pair of marginal tubercles, the outer tubercles are somewhat small, 

 and the secondary tubercles on the outer side of them are broadly truncate. The pronotum 

 resembles that of E. trichostigmoides, except that the marginal grooves are more strongly 

 punctured. The smooth and hairless central areas of the mesosteruum and metasternum 

 are much larger, though the punctures on the latter plate are stronger- where they occur. 

 The elytra are hairless except at the shoulders ; their dorsal grooves are scarcely, their lateral 

 grooves distinctly but not transversely, punctured. 



Erionomus planiceps (EscLscholtz). 

 Fig. VIII, f), p. 70. 

 Pasaalus jjlaniceps. Escbscholtz. 1820. pp. 22-2.3. 

 Three specimens from Guinea and two from Abetefi. Ashanti. Length 38-0-4 1 -5 mm. 

 Li this species the outer tubercles are directed upwards instead of forwards, and appear 

 in consequence to be .situated a little behind the anterior margin of the head, beneath 

 which, however, dissection shows the true cl\-^ieus to be hidden as usual. The marginal 

 grooves of the pronotum are not strongly pmutured. The posterior intermediate areas of 

 the metasternum bear a posterior marginal l)and of fine clo,se punctures, the rest of these 

 areas being smooth nnich as in E. (illnnjo. which the present species al.so resembles in all 

 other respects. 



The above-mentioned ■species of Erinvomus may be ilistinguished as follows : — 

 Each antenna with four lonp sjpndor lanu'llac . . . . E. /mj/i/ii, p. 74. 



^ Enrfi antenna with three shoit stout lamellae 



