280 REVUE ET MAGASIN DE ZOOLOGIE, 1876. 



ginem lateralem utrinque impressâ, interstitio minus ele- 

 vato; pedibus omnino nigro-cyaneis. 



Long. 4 1/2-5 mm. — Lat. 3 1/2-4 mm. 



Brasilia (ad Amazonium flumen). 



CHALCOPLACIS. 



Chevrolat, d'Orbign. Dict. Hist. nat. III, p. 372 (1843). 



Baly, Trans. of the Eut. Soc. of Lond.^ 3^ s., t. ii., p. 338 



(1865). 



CHALCOPLACIS DIMIDIATA. 



Subohlongo-ovata, convexa, nitide seneo-nigra^ elytro- 

 rum dimidid parte anticd rubrd. 



Long. 3 1/2-4 mm, — Lat. 2 1/2-2 3/4 mm. 

 Cayennse. 



Caput parvum, disperse punctatum, inter oculos leviter 

 impressum ; labro, palpis, antennarumque basi saturate 

 fulvis, bis apice nigris. Protborax convexus, subtilissime 

 punctulatus, lateribus rotundatis, late reflexo-marginatis, 

 angulis anticis subacutis. Scutellum Iseve, apice subro- 

 tundatum. Élytra convexa, subtibter subseriatim punc- 

 tata, infra humeros prominentes transversim evidenter 

 impressa ibique fortius punctata, juxta suturam apicem 

 versus unistriata, epipleuris convexis, limbo inflexo piano. 

 Pedes sat validi, tibiis apice aureo-pilosulis, tarsis satu- 

 rate fulvis. 



CHALCOPLACIS GLORIOSA. 



Subrotundato-ovata, subtus cxruleo-mridis^ capite^ pro- 

 thorace, scutelloque virescenti-plumbeis^ elytrù soAuraie 

 cyaneo-violaceis, nitidis, labro, palpis antemiarum basi, 

 pedibusque omnino, fulvis. 



Long. 5 milL — Lat. 3 1/2mill. 



Cavenns. 



