ACOSMERYCOIDES. 287 



" Larva. — Three stages figured by Piepers ; a round dorsal 

 ocellus on fourth segment ; horn curved frontad in younger 

 stages, reduced to a button-like prominence in last stage " 

 (Roths. & Jord., 1903, p. 521). 



Hob. E. Himalayas to Java and Palawan. One species. 

 All that is known of the early stages is mentioned above. 



88. Elibia dolichus (Westw.). (Fig. 72 A, <$, B, C, genitalia). 



Sphinx (Chserocampa) dolichus, Westwood, 1848, p. 61, pi. xxx, 



fig. 1 (Sylhet). 

 Elibia dolichus, Hampson, 1892, p. 100, fig. 57 ; Dudgeon, 1898, 



p. 415 (Sikkim and Bhutan, up to 4,000 ft.) ; Roths. & Jord., 



1903, p. 521 ; Seitz, 1929, p. 549, t. 67 a. 



Imago. — $$. Head, thorax and abdomen brown, thorax 

 with three pale stripes, abdomen with a broad pale dorsal 

 stripe. Fore wing pale brown, with seven lines between lower 

 angle of cell and outer margin, first and fifth heavy, the 

 others often weakly marked ; second, third, fourth and sixth 

 sometimes distinctly accentuated by vein-dots ; lines between 

 lower angle of cell and costal margin feeble, that traversing 

 the large black white -centred stigma the most obvious. 

 Hind wing bluish at base, outer area blackish ; cilia chequered 

 white and brown. Underside pale, abdomen white, with 

 ferruginous -tawny or brown mesial markings on proximal 

 sternites ; fore wing with a waved submarginal line, hind wing 

 with two waved lines. Expanse : $ 120-132 mm., $ 146 mm. 



Hob. E. Himalayas (Sikkim ; Khasi Hills ; Assam) to 

 Java and Palawan. See under Elibia for all that is known 

 of the early stages. 



Genus ACOSMERYCOIDES Mell. 



Mell, 1922, pp. xii, 220 {insignata Mell). 



Genotype : leucocraspis (Hamps.). 



Imago. — <$%. Resembles an A mpelophaga, with the markings 

 more or less obsolescent. Antenna thinning gradually to 

 a long thin hook, the end-segment short ; both sexes with 

 fasciculate cilia on the median segments. Eye not lashed. 

 Palpus large, rounded, closely appressed, second segment 

 large. Scales of head somewhat lengthened and erect. 

 Spurs unequal, the longer ones more than half as long as the 

 first tarsal segment. 



Larva. — Resembles those of Acosmeryx, but differs in the 

 horn being long, thin and strongly up-curved in the last instar. 



Pupa. — Similar to those of Deilephila. 



Hob. E. Himalayas (Dibrugarh, Assam) and S. China. 

 One Indian subspecies, of which the early stages are unknown. 



Habits. — Food-plant : Vitis Linn., family Ampelidea?. 



