CALLICABIA. 169 



Brazil (?), Mexico. Punctuation scarcely visible with a lens, 

 elytra alutaceous, margined, epipleurse acuminate ; metasternum 

 almost rounded. In some specimens the punctuation is more 

 visible. 



Mononeda. 



gen. now {typ. marginata). 

 Distinct from Neda by the epipleurse of the elytra which are 

 not acuminate, and by the elytra not being thickened at the mar- 

 gin ; the metasternum is truncate at the base. 



Mononeda marginata. 



Coccinella marginata, Linn. Syst. Nat. p. 579. 1 (1767). 

 Neda marginata, Muls. Spec. p. 274. 1. 



Brazil ; common. Punctuation very fine, obsolete, elytra 

 visibly alutaceous. 



Archaioneda. 



gen. nov. (typ. tricolor). 

 Antennse short ; thoracic epipleurae not foveolate, but impressed, 

 punctate, pubescent; mesosternum large, triangularly emarginate, 

 finely carinate; elytra immarginate, epipleurse foveolate, finely 

 punctate. Australia and Polynesia. Thorax with the sides finely 

 margined, punctuation coarse and rather close. 



Archaioneda tricolor. 



Coccinella tricolor, Fabr. Mant. i. p. 59. 69 (1787) T. 



Neda tricolor, Muds. Spec. p. 282. 8. 



Amsterdam I. (B. M.). A variety (fjiensis) from the Fiji 

 Islands has the elytra unicolorous, except a narrow black sutural 

 line. 



Archaioneda princeps. 



Neda princeps, Muls. Spec. p. 278. 4 (T). 



Australia, Port Essington (Hope, B. M., Stockholm, Parry). 

 Thorax with the anterior angles produced, the emargination In- 

 sinuate, the epipleurse foveolate; elytra with the epipleura foveo- 

 late, punctuation distinct, the humeral angle with a thickened 

 margin. 



Callicaria. 



Crotch, Cat. Cocc. p. 6 (typ. superba). 



Thoracic epipleurse deeply impressed along the whole length 

 close to the margin, the sides almost straight, anterior angles acu- 

 minate; mesosternum triangularly emarginate, metasternum con- 

 nate with it; elytra immarginate; scutellum transverse, deeply 

 punctate. 



c. 22 



