318 COPTOCYCLA. 



lnm atrum, fere nitidum, sub-lteve. Elytra prothorace 

 dimidio latiora et plus duplo longiora, antice singulatim 

 leviter sinuata, humeris modice prominulis, apice nonnihil 

 rotundatis; lateribus non ampliata, apice late rotundata, 

 supra modice convexa, imequaliter, dorso subtilius, remo- 

 tius, disco exteriore nonnihil crebrius, evidentius seriato- 

 punctata, antice haud retusa, ante medium foveola ro- 

 tunda et disco medio longitudinaliter impressa, plaga ma- 

 gna, communi, atra, nitida, utrinque basi ramulum in 

 marginem emittente, sutura postice ad apicem anguste 

 atra; margine sat late explanato, prreter ramulum basa- 

 lem dilute flavescenti-hyalino, reticulato. Corpus subtus 

 flavo-testaceum, sub-nitidum, subtilissime, transversim stri- 

 olatum. Pedes flavo-testacei. 



216. immunita: sub-rotundata, modice convexa, nitida, 

 pallide flava; antennis articulis duobus ultimis nigris: 

 prothorace lrevi, basi plaga sat magna, antice leviter 

 emarginata, nigro-picea; elytris remote, parum pro- 

 funde punctato-striatis, dorso plaga maxima communi, 

 nigro-brunnea, postice ad suturam anguste continuata, 

 antice ramulum in humeros emittente; margine modice 

 explanato hyalino. — Long. G, lat. 5 millim. 



Patria: Yucatan Dom. Pilate. 



Magnitudo, statura et summa similitudo C trabc- 

 atce, magis convexa, plaga postica prothoracis ad latera 

 rotundata, antice leviter emarginata, elytris margine mi- 

 nus dilatato, corpore subtus flavo. Caput subtiliter pun- 

 ctulatum, pallide flavuin, nitidum; oculis oblongis, modice 

 convexis, nigris. Antenme sat longte, sub-tenues, flavas, 

 articulis duobus ultimis nigro-fuscis. Prothorax latitu- 

 dine postica dimidio brevior, antice late, basin versus, 

 quarn in C. trabeata, magis rotundatus, basi utrinque si- 

 nuatus, extrorsum obliquus, lobo medio retrorsum modice 

 prominulo, apice rotundato; supra convexiusculus, sub- 

 la^vis, pallide flavus, nitidus, basi plaga sat magna, se- 

 micirculari, nigro-picea, antice leviter emarginata; mar- 

 gine sat late explanato, hyalino, confertim reticulato. 



