LEPIDOPTERA. 



395 



SIMPLK I \ R( >B1 SI ALIS, Gn. 

 Simplicia robustalis, Guen, Delt., p. 58 ; Hmpsn., Faun. lnd. Moths. 

 m, 36, f . it>; Lefroy, lnd. Ins. Life, p. 457. 



62. — Simplicia robustalis. Thi ire shows the natural size. 



To the right is seen a profile view of the head. < 



Distribution. — Coimbatore, Kurnul. Probably throughout South- 

 ern India. 



\istory. Caterpillar about 20 mm. long, slender, smooth. 

 dirty brown in colour, with faint irregular interrupted whitish 

 longitudinal lines. Pupation in a slight eocoon ; pupa] period 

 about 10 days. 



Food. Dead leaves, cumbu stalks, etc. 



Status. Only noted as doing damage on one occasion when the 

 caterpillars were present in thousands in the thatched roof of a 

 house, devouring the dry coconut leaves and cumbu stalks which 

 composed the thatch. 



Control. The caterpillars were destroyed by spraying the thatch 

 with lead arsenate in the case noted above and the moths on 

 emergence were driven away by smoking with sulphur and spraying 

 with cyllin. 



LYMAXTRIAD/E. 

 ORGYIA POSTICA. Wlk. 



Orgyia postica, Wlk., Cat. IV. 803; Hmpsn., Faun. lnd. Moths, I. 

 436, f. 303; T V. Ramakrishna Ayyar, B.J., XX, 341. 



6 1.— Orgyia postica, male moth. (( Iriginal.) 



