326 Iscn vnosoN vx. 



undique luteo-niarginato. — Long. 9^ — lO, lat. 5 — 

 5| millim. 



Var. a. prothorace nigio, anlice utrinque late testaceo- 

 marginato. 



Patria: Columbia. Mus. Reg. Holm., Doni. Com. Manner- 

 HEIM, Dom DuPOiNT et Dom. Glerin-Meineviile. 



Proececlentibus minor, proesertim angustior. Caput 

 rufo-testaceum, sub-nitidum, obsolete punctulalum; fronte 

 oreque nigro-piceis ; palpis rulo-testaceis; oculis ovatis, 

 modice convexis, brunneis. Antennae nigrse, pubescentes, 

 articulis 4 vel 5 basalibus rufo-testaceis, primo basi soepe 

 infuscato, Protliorax latitudine postica vix dimidio bre- 

 vior, apice rotundatus, lateribus ultra medium oblique 

 amj)liatis, dein sub-rectis; postice utrinque late el sat pro- 

 funde sinualus, lobo medio lato, parum producto, apice 

 sub-truncato, angulis retrorsusn proininulis, acutis; supra 

 modice convexus, subliliter, sub-remote punctulatus, ni- 

 ger, parum nitidus, antice utrinque plaga magna, sub- 

 triangulari, i ufo-testacea, maculam mediocrem, rotundam, 

 nigram includente; dorso poslico canalicula tenui, brevi, 

 longitudinali insculptus. Sculellum nigruni, niliduni, la^ve. 

 Elvtia antice piotboiace non latiora sed plus 2^ longiora, 

 utrinque leviter rotundata, lateribus recta, apice conjun- 

 ctim rotundata, supra modice convexa, subtiliter striato- 

 punclata, interstitiis subtilissime coriaceis; nigra, parum 

 nitida, singulo undique minus lafe luteo- marginata ; inar- 

 gine parum explanalo, limbo reflexo. Corpus subtus ni- 

 gi iini, nitidum, subtililer punclulatum et transversim strio- 

 lalum; abdomine utrinque serie e maculis lufo-lestaceis, 

 segmento iiltimo basi concolore. Pedes nigri, nitidi, baud 

 punctulali; femoribus basi saepe plus minusve ferrugineis. 



5. marginicollis: oblonga, modice convexa , nigra, sub- 

 nitida, antemiis articulis 2 — 5 rufo-lestaceis; protlio- 

 race subtiliter, remote punctulato, utrinque late testa- 

 ceo-marginato; elytris rufo-testaceis, mediocriter striato- 

 punctatis, singulo nigro scx-maculato. — Long. 9^, lat. 

 5 millim. 



