124 



HALTICINjSS. 



smooth and sparsely and extremely minutely punctate, the punc- 

 tures being scarcely visible under a low power. Structures of the 

 underside as stated under the description o£ the genus. 



Length, 4 mm. 



Ceylon. 



Type in the British Museum. 



Section II (Antennae ten-segmented). 

 This section contains only one genus. 



Genus PSYLLIODES, Latreille. 



Pay Modes, Latr., Cuvier's Ilegne Anim., 2 ed., x, 1829, p. 154 ; 

 Chap., Gen. Col., xi, 1875, p. 140. 



Genotype. I select Ghrysomela chrysocephala, L. (Europe), the 

 first of the five species mentioned by Latreille when erecting the 

 genus. 



Small insects, with body oblong-ovate, narrowed behind and in 

 front. Head rounded, inclined forward ; interocular and inter- 

 antennal spaces generally smooth, but sometimes with a carina ; 



Fig. 47.— Psylliodes tcnebrosns, Jac. Lateral view of part of hind femur, tibia 

 and tarsus, showing the point of insertion of the tarsus in the tibia. 



surface generally punctate. Eyes large, convex, more or less oval. 

 Antennae composed of ten segments, generally thin, moderately 

 long, extending to the middle of the elytra ; their roots are nearer 

 to the eyes than to each other ; basal segments elongate, slender, 

 their relative lengths varying ; apical segments slightly thickened, 

 the last segment pointed. Prothorax broader than long, usually 

 somewhat narrowed in front, anterior margin straight, lateral 

 margins feebly rounded, sides declivous, surface convex and 

 generally punctate. Scutellum small, almost an equilateral tri- 

 angle. -Elytra oblong-ovate, narrowed behind, somewhat broader 

 at the base than the prothorax, very regularly punctate-striate ; 



