304 COSSID^E. 



rounded ; all the veins present ; veins 8 and 9 stalked ; a forked 

 veinlet in cell of both wings. Hind wing with veins 4 and 5 on a 

 short stalk ; all the veins present ; 8 connected with 7 by a bar. 



650. Aprata mackwoodi, Moore, Lep. Ceyl \\, 

 p. 107, pi. 118, fig. 8 ; C. # S. no. 487. 



c? . Uniform bright dark brown ; abdo- 

 men covered with yellow hair, the terminal 

 segment with a silky grey tuft. 



Fig. 20S.-Aprata mack- Ha ^ Ceylon. Exp. 20 millim. 



woodi, $. \. J 



Species formerly recorded as Indian wJiich are omitted. 



Aprata fhwaitesi, Moore, C. & S. no. 488, is a Tinea probably allied 



to Eustiocis. 

 Rasicota albescens, Moore, J. A. S. B. 1890, lix, pt. 2, p. 263. 



Type lost ; description unrecognizable. 

 Fumea ? limulus, Kogenh. Verb, zool.-bot. Ges. xxxix, Sitzungsb. 



p. 60, is a Tinea. 



Family COSSID.E. 



Proboscis absent ; palpi usually minute or absent ; antennse 

 bipectihated to tip or with distal half simple in both sexes, or 

 wholly simple in female. Tibia3 with spurs absent or minute. 

 Fore wing with vein 1 b forked at base ; 1 c present ; an areole 

 formed by veins 7 and 10 ; veins 7 and 8 forking after the areole ; 

 the inner margin usually more or less lobed. Hind wing with three 

 internal veins ; vein 8 free from the base or connected with 7 

 by an erect bar at end of cell. Both wings with forked veinlets 

 in cell. The female may have as many as nine bristles to the 

 frenulum. 



Larva. Smooth, with a few hairs ; internal feeders, boring gal- 

 leries in wood or the pith of reeds &c. and often doing considerable 

 damage. 



Pupce in a cocoon formed of silk and chips of wood.* 



Key to the Genera. 



a. Hind wing with no bar between veins 



7 and 8. 



a'. Wings broad ; tibise with spurs .... 1. Cossus, p. 305. 

 b'. Wings long and narrow ; tibiaB 



without spurs. 

 a 2 . Palpi present. 



a 3 . Hind wing with veins 4 and 5 



* After the Cossidce would follow the Alavona section of the Tineida, if the 

 Heterocera could be arranged in a linear series. 



