of the Amazon Valley. 37ff 



i24. Lepturges minutissimus, n. sp. 



L. minutus, oblongus, rufescens, tomento rufescenti-griseo variegatus: 

 elytris apice integris. Long. I5 lin. c? . 



Head rust- coloured. Anteunse twice the length of the body, 

 reddish testaceous, naked. Thorax rusty red, clothed with dull 

 grey pile, leaving the sides and two dorsal vittse of the rusty 

 ground-colour; lateral spines placed a little behind the middle, 

 large, acute, slightly curved posteriorly. Elytra elongate-ovate, 

 convex, entire at the apex ; surface coarsely punctured, rusty red, 

 clothed partially with dull grey pile, leaving the region of the' 

 scutellum, two short basal vittse, and an irregular dentated fascia 

 behind the middle, of the ruddy ground-colour. Body beneath 

 and legs testaceous red. Thighs all clavate ; basal joint of the 

 posterior tarsi moderately elongated. 



Santarem ; on dry twigs*. 



Genus Parcecus, nov. gen. 



Body elliptical, narrowed equally anteriorly and posteriorly, 

 and slightly convex. Antennse stout, filiform rather than seta- 

 ceous, greatly elongated, two and a half times the length of the 

 body in both sexes. Thorax of trapezoidal outline ; lateral spines 

 thick and conical, placed close to the hind angles. Elytra with- 

 out prominences on the surface, apex of each sinuate-truncate 

 and bispinose. Legs rather long and stout ; front and middle 

 thighs thickly clavate; hind thighs gradually thickened from 

 base to apex ; hind tarsi greatly elongated, the basal joint longer 



* The following species also belong to section 2 of this genus : — 



L, spinifer. Elongatus, modice depressus, cinereus, brunneo lineolatus et 

 maculatus. Caput bnmueum, oculis postice cinereo marginatis. 

 Autennse testaceae, tomento cinereo parce vestitse. Thorax cinereus, 

 dorso maculis duabus brunneis cinereo marginatis ; spinis lateralibus 

 magnis, acutis, retrorsum oblique spectantibus, basi cinereis. Elytra 

 angustata, apice peroblique et obtuse breviter truncata ; dorso punc- 

 tata, cinerea, vittis abbreviatis basalibus quatuor pallide brunneis, 

 maculis et fascia irregular! pone medium obscurioribus. Corpus sub- 

 tus et pedes testacea, tomento cinereo parce vestita ; femoribus omni- 

 bus clavatis, tarsis posticis elongatis. Long. 2-2^ lin. <? . Hab, Rio 

 Janeiro. Coll. Bakevvell, Bates. 



L. humilis. Oblongus, postice paulo ampliatus, deinde apicem versus 

 attenuatus, fuliginosus, cinereo lineatus et fasciatus. Caput piceum, 

 vertice linea cinerea. Antennae rufo-picese. Thorax fuliginosus, dorso 

 cinereo trilineatus ; s]jinis laterahbus grossis, minus acutis. Elytra 

 thorace latiora, pone medium paulo ampliata, apice vix truncata ; dorao 

 convexiuscula, punctata, fasciis duabus e maculis oblongis obscure 

 cinereis, una ante, altera pone medium. Scutellum cinereum. Corpus 

 subtus et pedes rufo-picea ; femoribus omnibus clavatis ; articulo 

 primo tarsorum posticorum modice elongate. Long. 2-2^ lin. S $ . 

 Hab, Rio Janeiro. Coll. Bakewell, Bates. 



25* 



