ANOMALA. 149 



Cassava crop. It has been studied in all its stages by Mr. S. 

 Leef mans, who has issued a report upon it in No. 13 of Mededeelin- 

 gen van hetLaboratorium voor Plantenziekten (Buitenzorg, 1915), 

 p. 48. The beetle is figured in plate i, fig. 6, and the distinctive 

 features of the larva are shown in plate vii, rig. 5. The beetles 

 are described as nocturnal in their habits. They appear in October 

 and November, and reduce the leaves of the Cassava plants to 

 skeletons. 



127. Anomala nigrovaria, sp. nov. (Plate III, fig. 18.) 



Pale testaceous yellow, with the vertex of the head, two longi- 

 tudinal marks (sometimes coalescing) at the middle of the pro- 

 notutn, parts of the elytra, the extremities of the tibiae and the 

 tarsi black or brown. 



It is elongate-oval, very convex, smooth and shining, and 

 almost devoid of hair. The clypeus is broadly 

 rounded and very smooth, almost without 

 punctures, and the forehead is strongly 

 punctured. The pronotum is strongly but 

 rather unequally punctured, with the sides 

 strongly rounded, the front angles nearly 

 right angles, the hind angles very obtuse and 

 the base finely margined. The scutellum is 

 well punctured, and the elytra bear seven 

 deeply impressed and punctured dorsal striae, 

 the second disrupted at the base. The 

 pygidium is rather coarsely and closely punc- 

 Fig. 38. Anomdla tured. The front tibia is armed with two 

 nigrovaria, rf . strong teeth ; the hind tibia is rather short 

 and stout; the tarsi are rather long, and 

 the longer claw is cleft on the front and middle feet. 



S . The outer margins of the elytra, from the shoulders to about 

 the middle, are dark and there is a broad dark patch common to 

 both, sometimes uniting with the posterior end of the lateral 

 stripe and generally extending along the suture to the base of 

 the elytra (the scutellum remaining pale), but not reaching their 

 extremities behind. 



. The outer margins of the elytra, from the shoulders to 

 about the middle, are narrowlv dark and there is a dark spot on 

 each immediately behind the scutellum, the two spots more or 

 less coalescing ; the suture is generally very narrowly dark. 

 Length, 9-11 mm.; breadth, 4'5-5*5 mm. 



BUBMA : Teinzo (L. Fea, May), Tharrawaddy (G. Q. Corbett), 

 Bhamo (F. M. Mackwood, April), Papuii (Col. Adamson); TONKIN : 

 Laokay (R. V. de Salvaza}. 



Type, in the British Museum ; co-types in the Genoa 

 Museum. 



The species is very like A. anchoralis, Lansb. The markings 

 are variable, but the broad dark area upon the posterior half of 

 the elytra is present in all the males and absent in all the females 

 I have examined. 



