ELACIIISTTD.i:. 235 



Tlie position of the porfi^ct insects in repose is also ratlicr clia- 

 racteristicj for in most of the genera they sit cU)sely appi'esscd (o 

 the surface on which they rest. 



The individuals of many of the species in this family are ex- 

 tremely uumerous, making u]) for their small size by their greater 

 numbers ; some are rather gaily coloured, but the greater propor- 

 tion arc variously shaded witli gn^y or black, varied with white or 

 whitish; in a few the markings are metallic. The perfect insects 

 mostly fly at dusk, some may be met with Hying in little swarms 

 in the afternoon; a few are of retired iiabits and rarely seen on 

 the wing. The larvjie arc most fre([nentiy h^af-miners, some few 

 are however external feeders. They have sixteen feet, though in 

 Tisckeria tlie development both of the legs and prolegs is ven/ 

 sligld. The pupa is sometimes enclosed in a iirin cocoon, some- 

 times in one of open network, bnt not unfrequently the pupa is 

 naked, affixed by the caudal extremit}', Avith a belt of silk round 

 the middle, like some of the 11uopat,oci;ua; and in BalcUia the 

 similarity is still more striking, the pupa being angulated, and like 

 that of a Pieris in miniature. 



The genera of this family represented here are fourteen in 

 number, and may be tabulated in the following way : — 

 a. Posterior wings extremely narrow, almost sctiform. 

 b. Head rough. 1. Uedellia. 

 b b. Head smooth. 



c. Antennaj witli long slender hairs. 2. STATn:\ioi>oi")A. 

 c c. Antenufe naked. 



d. Basal joint of the antenna; long. .'3. Cosmoptkrvx. 

 d d. Basal joint of the antenncC short, k Batuacueura. 

 a a. Posterior wings lanceolate or linear-lanceolate. 

 e. Head rough in front. 5. Oinopuila. 

 c e. Head smooth. 

 /. Anterior wings with projecting tufts of scales I'roni the inner 



margin. 0. Chauliodus. 

 //. Anterior wings with no ])rojccting tufts from the inner margin. 

 g. Anterior wings with raised tufts on the disc. 

 h. The tufts not metallic. 7. Laveuna. 

 h h. The tufts metallic. 8. CuRYsocLrsTA. 

 g (J. Anterior wings smooth, not rcitusc below the apex, nor 

 posteriorly npiiearing from the cilia broader. 

 /. ]>al)ial palpi short and thick. 1). Hklkjuinhs. 

 i i. Labial palpi slender, of moderates length. 

 Z-. Antenna; rather thick. 10. AxviiiA. 

 k k. Antenna; slender. 1 1. Asvcuna. 

 (J (]■ Anterior wings smooth, the eosta slightly retuse. 12. 

 Chrysocorys. 



vol. III. 2 G 



