PHYTOPHAGOUS COLEOPTERA FROM MENTA WEI 141 



incrassate intermediate joints of the antennae and the want of 

 the spine of the latter ; the female has entirely simple antennae 

 and the basal joint of the latter as well as the legs are some- 

 times fulvous. 



22. Cynorta Balyi , sp. n. — Elongate, pale testaceous, head 

 and thorax impunctate, the latter bifoveolate, elytra longitudi- 

 nally costate, the interstices closely and finely punctured. 



Length 3 - 3 1 / 2 lines. 



</'. Head impunctate , the frontal elevations narrowly trans- 

 verse , the clypeus with a strongly raised longitudinal central 

 ridge, lower portion of the face simple, eyes large, ovate, an- 

 tennae extending beyond the middle of the elytra, testaceous or 

 navous, the third and the following joints of equal length, as 

 long as the basal joint, second one, small, thorax nearly as 

 long as broad , the sides straight from the base to the middle, 

 slightly rounded and widened near the anterior angles, the sur- 

 face impunctate, with two closely approached round depressions 

 at the middle, near the base, scutellum broader than long, elytra 

 wider at the base, than the thorax, with about eight not very 

 strongly raised longitudinal costae , the interstices finely and 

 closely punctured, legs slender, all the tibiae mucronate, the 

 anterior coxal cavities closed. 



Hob. Si-Oban, April-September. 



Closely allied to C. ocellata, Baly and of the same coloration, 

 the elytra also nearly similarly sculptured, but the head of the 

 male without excavation and the thorax bi- not trifoveolate. 

 C. costata, Jac. from Perak, is of broader shape, darker in colour, 

 with strongly raised elytral costae and single rows of punctures, 

 longer antennae cet. 



23. Dorydea costatipennis, sp. n. — Flavous, head and thorax 

 impunctate , the latter bifoveolate , elytra metallic purplish or 

 green, rugosely punctured, the interstices longitudinally costate, 

 abdomen piceous. 



cf 71 . Head deeply bifoveolate , seventh joint of the antennae 

 dilated. 



Length 3 1 / 2 lines. 



