334 rnvTOPHAOA. 



a*. Spur of liiml tibiae inserted in middle 

 of apical edge ; pygidium often bare 

 or slightly exposed, without a central 



channel PHYLLOTBBTA, Foudr. 



b*. Spur of hind tibia- inserted at the 

 outer side of apical edge; pyguliuiii 

 covered, with a double central chan- 

 nel for the reception of the apical 

 sutural angles of the elytra. 

 b. Elytra with strong and regular rows of 



punctures, which are continued to apex . UATOPIULA, Foudr. 

 B. Form subglobose, almost hemispherical, very 

 convex ; pygidiam with a central channel. 



a. Antennae gradually thickened towards apex. 

 a*. Mouth parts covered, or nearly 



covered, by prosternum; elytra con- 

 fusedly punctured ; colour testaceous, 



not metallic SPH.EKODEBMA, Sfeph. 



b*. Mouth parts free, not covered by the 

 prosternum ; elytra with rows of 

 punctures ; colour metallic .... APTBEOPEDA, Redf. 



b. Antennae with the last three joints larger, 



forming a somewhat indistinct club . . . MSIOPHILA, Steph. 

 II. Anterior coxa! cavities closed behind ; elytra, with 

 few exceptions, punctured in rows. (Sub-tribe 



Pleciroscelid.es, Thorns. J 

 i. Antennae 11-jointed ; posterior tarsi inserted at the 



apex of the tibiae. 



1. Intermediate and posterior tibiae simple, without 

 a tooth on their outer side. 



A. Thorax without a transverse impression before 

 base. 



a. Thorax with an oblique longitudinal im- 



pression or fold on each side of base, 

 a*. Longitudinal impressions at base of 

 thorax obsolete; elytra in proportion 

 shorter and broader, confusedly punc- 

 tured except sometimes in front ; 

 thorax in our species bright red, not 



metallic PODAOBICA, Foudr. 



b*. Longitudinal impressions at base of 

 thorax very distinct ; elytra in pro- 

 portion more elongate and narrower, 

 punctured in strong and distinct 

 rows ; thorax metallic, unicolorous 

 with elytra MANTURA, Steph. 



b. Thorax without longitudinal impressions 



at ba>e OCHROSIS, Fowlr. 



B. Thorax with a transverse impression before 

 base, which is sometimes very plain, and some- 

 times more or less obsolete. 



a. Transverse impression at base of thorax, 

 as a rule, strong and distinct ; * coxae only 

 slightly distant CBBPIDODERA, Chtn-r 



* In C. ventral is the transverse impression is often very obsolete ; Weise clusses 

 this species with Ochrotis on the formation of the frontal tubercles, and it strongly 

 resembles 0. salicarice in general appearance; the oblique impressions, however, at 



