378 SPHINGID^. 



surface of cremaster smooth and shining. Colour bone -colour, 

 tongue-sheath rusty along its edge, tongue black ; head, thorax 

 and wing-case tinged with greenish, tongue-sheath, legs and 

 wing-case mottled plumbeous-grey ; a dorsal stripe, narrow 

 and black on thorax, diffuse green on abdomen ; pits on 

 abdomen plumbeous ; hind bevels of segments 8 to 10 pale 

 chestnut, ante-spiracular ridges of 9 dark brown ; venter of 

 abdomen blotched with fuscous ; spiracles black ; cremaster 

 chestnut. Length 32 mm. ; breadth 8 mm. 



Habits. — Food-plant: Chasalia curviflora Thw., family 

 Rubiaceae. In the resting position the head and anterior 

 segments of the body are raised, the head held with the 

 mouth-parts directed frontad, the true legs held against the 

 venter. The moth has not been observed feeding nor coming 

 to light. 



129. Macroglossum sitiene (Walk.). (Fig. 90 V, W, geni- 

 talia). 



Macroglossa sitiene, Walker, 1856, p. 92 (partim ; "Natal," 



err. loc. ; Silhet ; Moulmein) ; Butler, 1877 A, p. 527 (Silhet) ; 



Dudgeon, 1898, p. 418 (Sikkim) ; Hampson, 1892, p. 115. 

 Macroglossum sitiene Roths. & Jord., 1903, p. 644, pi. iii, fig. 18 



(c?) ; Mell, 1922, p. 268, pi. viii, figs. 12-14, 32, pi. ix, fig. 1, 



pi. xviii, figs. 39, 40 (pupa), pi. xxx, figs. 13, 14 (larva) ; Seitz, 



1929, p. 558, t. 65 b. 

 Macroglossa nigrifasciata, Butler, 1875, p. 241, pi. xxxvii, fig. 3 



(Ceylon) ; Moore, 1882, p. 28, pi. xcii, fig. 1. 

 Macroglossa orientalis, Butler, 1877 A, p. 528 (Moulmein) ; Moore, 



1878, p. 844 (Upper Tenasserim) ; Swinhoe, 1890, p. 162 



(Tenasserim). 



Imago. — <$%. Upperside of body and fore wing paler than 

 in fringilla, clayish ; dorsal basal dots of abdominal tergites 

 vestigial, seventh segment pale, with a very conspicuous 

 mesial patch ; side-tufts all prominently tipped with white. 

 Fore wing : antemedian band very prominent, sharply dilated 

 basad behind ; first and second discal line curved as in 

 fringilla, but the second not dilated distad behind R 1 . Yellow 

 band of hind wing deeper yellow than in fringilla, edge of 

 black border less convex. Underside of palpus, middle of 

 breast and mesial patches on the proximal abdominal sternites 

 or on all, dirty grey, much less white than in Jringilla ; hind 

 wing more greyish distally, lines prominent. Expanse : 

 ^£ 46-56 mm. 



$. Tenth tergite prismatical, rounded above, sulcate 

 below, tip truncate ; sternite rounded at end. Clasper with 

 friction-scales ; harpe (fig. 90 V) almost straight, sharply 

 pointed. Penis-sheath (fig. 90 W) with two processes — one 

 broad, hook-shaped, dentate at the concave edge, the other 

 very slender and long, horizontal ; long internal rod broad, 

 terminating in a long point. 



