300 Mr. J. S. Baly on the Phytophaga. 



basi paiUlo angustata ; palpis labialibus articiilo ultimo conico, aciito ; 

 octdis prominentibus. Thorax transversus. Scidellum subtrigonum, 

 apice obtuso. Elytra oblonga, modice convexa, thorace latiora, parallela. 

 Pedes graciles, simplices; coxis anticis contiguis, pei-peudicularibus ; 

 unguictdis appendiculatis. 

 Type, Stenoplatys Pascoei, Baly. 



The general form of the body resembles Aplosonyx ; but the en- 

 tirely different antennae at once separate Stenoplatys from that genus. 



Stenoplatys Pascoei. (Plate XII. fig. 5.) 



S. subelongata, modice convexa, pallide flavo-fulva, nitida; antennis 

 (apice excepto) eljliisque fuscis, his seneo micantibus, teuuissime sub- 

 crebre punctatis, antice fossa communi cruciformi impressis ; postpectore 

 abdomineque piceis. — Long. 5-55 li^- 



Var. A. Corpore pallide piceo, pedibus flavis. 



Mas. Abdominis segmento anali trilobato. 

 Hab. Old Calabar. 



Subelongate, moderately convex. Head impressed on the vertex with 

 a deep fovea; face oblong; apex of jaws black; antennae slender, nearly 

 equal in length to the body. Thorax twice as broad as long, sides 

 naiTowly margined, straight and nearly parallel, obtusely angled just 

 before the middle, thence obliquely narrowed to the apex, all the angles 

 prominent ; disk minutely punctured, impressed with three large shallow 

 iovess. Elytra much broader than the thorax, oblong, parallel, their 

 apex roimded, above moderately convex, impressed longitudinally along 

 the sutm-e, and transversely below the basilar space, the two depressions 

 fonning a large common cruciform fossa, the suture itself indistinctly 

 costate ; basilar space on each elytron obsoletely elevated; on the outer 

 disk, a short distance below the transverse groove, is a large shallow fovea. 



Genus Peasona. 



Corpus elongatum, modice couvexum. Caput porrectum ; antennis fili- 

 fonnibus, apicem versus attenuatis, articulo primo incrassato, subclavato, 

 secimdo brevi, obovato, tertio duobusque proximis singulatim secimdo 

 triplo longioribus, inter se longitudine tequalibus, ereteris paullo brevi- 

 oribiLs ; labro transverso, margine rotundato ; mamlibtdis curvatis, apice 

 dentatis ; mento transverso-quadrato ; pulparxmi articulo ultimo apice 

 acuto; octdis prominulis, integris. Thorax transversus, lateribus fere 

 parallelis, dorso ante basin transverso-sulcato. Scidellum subtrigonatimi. 

 Elytra thorace paullo latiora, parallela, apice rotuudata, dorso modice 

 convexa, confuse punctata. Pedes mediocres ; femoribus jwsticis modice 

 incrassatis, subtus ante apicem leviter sulcatis ; tibiis posticis apice den- 

 tibus duobus brevibus armatis ; tarsis posticis tibiarum apici insertis ; 

 vnguiculis appendiculatis. Proslernum modice angustatiun, distinctum, 

 apice dilatatum. 



Type, Prasona prasina, Baly. 



