96 



CHBYSOMELID.E. 



Genus LABIDOSTOMIS. 



Labidostomis, Lacord.-Mon. Phytoph. ii, 1848, p. 30. 



Type, L. toxicornis, Fabr., from Europe. 



Mange. Europe, Asia. 



Body metallic blue or green, the elytra reddish or yellowish 

 with or without one or two black 

 spots ; head with the middle portion 

 concave. Thorax transverse, the 

 anterior angles strongly deflexed, 

 invisible from above, the posterior 

 angles acute, produced posteriorly, 

 the basal margin higher than the 

 elytra, the surface with an anterior 

 and posterior transverse depression 

 and a slight projection in front of 

 the scutellum. Legs coloured like 

 the body, moderately slender. The 

 male has the head and thorax very 



Fig. 18. Labidostomis toxicornis. broad, the mandibles very elongate, 

 robust antennaB and much elongate 

 anterior legs. In the female all these parts are reduced. 



174. Labidostomis indica, Jac. Ann. Soc. Ent. Selg. xxxix, 1895, 

 p. 254. 



Metallic greenish-blue ; basal three or four joints of antennae 

 fulvous. Elytra testaceous, a humeral spot and the middle of 

 disc obscure fuscous. 



Head metallic greenish, closely and finely punctured, finely rugose 

 between the eyes; anterior margin of the clypeus only slightly 

 concave; labrum black; antennas purplish, 

 do not quite extend to the base of the 

 thorax, the basal three joints more or 

 less fulvous, the third joint one-half longer 

 than the second, the fifth and following 

 joints strongly transversely serrate. Thorax 

 more than twice as broad as long, the 

 anterior margin concave, the sides rounded, 

 posterior margin prominent and raised at 

 the angles, median lobe broadly produced ; 

 the surface very minutely and closely 

 punctured near the base and on the sides, 

 sparingly punctate on the disc, the latter 

 shining, metallic greenish, with a narrow 

 transverse depression near the anterior 

 margin. Scutellum blackish, its apex truncate, impunctate. Elytra 

 parallel-sided, very closely and strongly punctured, the interstices 

 finely transversely rugose or wrinkled, the entire disc fuscous, 



Fig. 19. Labidostomis 

 indica, . 



