(173) Cerambycides de la région de Jatahy. 71 
antice flavo-marginato, fronte sulcata, punctata, tuberibus antenniferis 
haud longitudinaliter striatis, subtiliter punctulatis, vertice crebre 
punctato sulcoque debili, laevi longitudinaliter vage notato; antennae 
corpore haud longiores, scapo obconico, basi haud 
excavato, subtilissime punctulato, art. 3-4 obsolete, 
5-11 subacute carinatis, 6-10 apice interno valde 
angulatis; thorax latitudine paulo brevior, basi 
apiceque constrictus et transversim sulcatus, mar- 
gine apicali supra caput arcuatim producta, lateribus 
tuberculo valido, obconico, gibbaque anteriore trans- 
versa, ambobus sparsim punctatis utrinque instruc- 
tis, cyaneo-viridi micans, dorso interdum 
violaceo vel purpureo, subtilissime punc- 
tato-coriaceo, pube nigro-velutina haud 
dense vestito, postice carina transversa 
lateraliter utrinque marginato lineaque 
abbreviata, nitidissima, glabra, trans- 
Scape. versim rugulosa, media longitudinaliter C. neglectum. 
(X< 6)  ornato; scutellum triangulare, longitudi- (x +) 
naliter sulcatum, crebre punctulatum, 
cyaneo-viridi vel violaceo-micans ; elytra — ad humeros — thoracis basi 
multo latiora, postice sensim attenuata, apice singulatim oblongo-rotun- 
data, subtilissime punctato-coriacea, cyaneo-viridia vel purpurea, nigro- 
velutina vittisque quatuor, duabus suturalibus, infra scutellum cuneatin 
incipientibus, paulo ante apicem desinentibus, viridibus vel purpureis 
pubeque flavo-sericea, transversim decumbente obsitis, duabus exter- 
nis, subdenudatis, parum nitidis, ab humeris ad apicem decurrentibus 
longitudinaliter conjunctim ornata; femora rufa, antica et media 
clavata, postica a basi ultra medium usque sensim leniter incrassata, 
apicem elytrorum haud superantia; tibiae posticae compressae, apicem 
versus paulatim mediocriter dilatatae; corpus subtus subnitidum, 
subtilissime punctato-coriaceum, viride vel aureo-viride, pube albido- 
sericea subtiliter indutum, abdomine segmentis 6 composito, segmenti 
penultimi margine postica angulatim incisa, segmento ultimo apice 
emarginato. — Long. : 19,5 mill. — 1 ex. 
©. Antennae corpore paulo breviores; abdomen segmentis 5 composi- 
tum, segmenti penultimi margine postica haud incisa, Segmento ultimo 
apice rotundato. — Long. : 21 mill.— 1ex. 
Cette espèce, qui paraît très rare dans la région de Jatahy, se ren- 
contre plus communément aux environs de Rio de Janeiro: j'en ai 
