286 CHNOODES. 



Exoplectra annularis. 



Exoplectra augularis, Mais. Spec. p. 92G. 20 (T). 

 Cayenne (Chev.). 



Exoplectra Santaremse, sp. n. 



Allied to E. rubicunda, but hardly a variety of it. 



Black, episterna and ventral segments red ; elytra bright red, 

 epipleurae red, a round spot on the callus, the margin from the 

 shoulder to the apex (dilated at § and again at the suture), and a 

 discoidal common ob-cordate spot black. L. 2 lin. 



Santarem (Bates). 



Var. a. the spot on the callus reduced to a point, the margin 

 reduced to a marginal spot beyond the middle and an apical spot. 



Obydos (Bates). 



Exoplectra amazonica, sp. n. 



Again allied to E. rubicunda. Hemispherical, red, femora 

 with the apical half blackish, head black; thorax black, margin 

 pale red; elytra red, with a large common discoidal black spot. 

 L. 2 lin. Ega (Bates). 



Exoplectra irregularis, sp. n. 



Hemispherical, red, thorax black, anterior margin and angles 

 pale red, which colour runs in obliquely from the angles towards 

 the disc; body and legs red. Punctuation very coarse and sparse, 

 with a veiy few finer punctures intermixed ; it ceases however 

 just befoi'C the margin, leaving a faintly punctate band the whole 

 length. 



L. If lin. Santarem (Bates). 



Chnoodes. 



Chew. Diet. Hist. Nat. in. 612. 



Abdominal lamina? complete, subtriangular. Punctuation 

 uniform, rather coarse; the species vary a good deal, it differs only 

 from Exopli etra in the unarmed legs. 



Chnoodes Chaudoirii. 

 Chnoodes Cha/udoiri, Mills. > s j>rr. p. 911. 6. 

 Brazil j Rio Janeiro (Fry). 



Chnoodes trivia. 



Chnoodes trivia, Mvls. Op. in. p. 132 (T). 



Sublieinisj. helical, thorax black, anterior angles red : elytra red, 

 with an orbicular sutural spotj and each with two other large spots 



black; body beneath black, abdomen red; femora black, tibne and 

 tar. si red. L. 1.1 lin. Pcrnambuco (Oevrolle). 



