162 CHRYSOMELIDJE. 



Genus DIAPROMORPHA. 



Diapromorpha, Lacord. Mon. Phytoph. ii, 1848, p. 227 ; Chapuit, 

 Gen. Coleopt. x, 1874, p. 121. 



Type, D. trifasciata, Oliv., from Africa. 



Range. Africa and India. 



Body subcylindrical, robust, often narrowed posteriorly ; the 

 head deflexed, deeply inserted; eyes large ; antennae robust. Thorax 

 subcylindrical, strongly convex, the posterior angles more or less 

 distinct. Scutelium small, deflexed. Elytra with very distinct 

 lateral lobes, only partly covering the pygidium. Legs robust, 

 tibise widened anteriorly ; the tarsi robust, of nearly equal length, 

 rather short, the first joint shorter than the following two 

 united. 



These insects may be distinguished from the genus Clytra by 

 their more cylindrical shape and the shape of the elytra ; the latter 

 have distinct lateral lobes and not only leave the pygidium partly 

 uncovered but often also the sides of the abdomen ; the pro- 

 sternum is either visible in shape of a very narrow ridge or is 

 entirely obsolete. 



SECTION I. 

 Species of large size (8-12 mm.). 



282. Diapromorpha gigantea, Jac. Ann. Mus. Civ. Genova, xxxii, 

 1892, p. 878. 



Bluish-black; elytra with basal margin, a transverse band near 

 middle and another near apex, flavous. 



Convex, subcylindrical, narrowed posteriorly. Vertex of head 

 swollen, impunctate, space in front of eyes finely rugose ; clypeus 

 broad, flattened, bounded at sides by a deep oblique groove, 

 preceded by a narrow ridge ; labrum and palpi black ; antennae 

 scarcely extending to base of thorax, basal three joints dark fulvous, 

 second and third very small, rest triangularly widened. Thorax 

 about twice as broad as long, sides narrowed in front, posterior 

 angles distinct, posterior margin produced in a rounded lobe at 

 middle ; surface with some obsolete depressions near the sides, 

 shining, almost impunctate, some extremely fine punctures only 

 on the sides. Scutelium triangular, smooth. Elytra closely and 

 distinctly punctured, interstices very finely punctate ; black, basal 

 margin narrowly flavous, this colour not extending to suture ; the 

 band immediately before the middle broad and of regular shape, 

 extends to either margin, the preapical band more irregular and 

 narrowed towards the suture. Beneath finely pubescent. Last 

 abdominal segment with deep fovea in female. 



Length 11-12 mm. 



Sab. Burma : Karennee. 



