462 SPHINGID^E. 



than the segment is thick ; hind tarsus, also with prominent 

 comb " (Roths. & Jord., 1903, p. 789). 



Hab. Indo-Malayan Subregion. One species only, R. acteus. 

 For the early stages see under that species. 



170. Rhyneholaba acteus (Cram.). (Fig. 119, genitalia; 

 PL VI, figs 8, 9, larva, fig. 10, pupa ; PI. VII, fig. 13, 

 imago). 



Sphinx acteus, Cramer, 1779, p. 93, pi. ccxlviii, fig. A (Java). 



Pergesa acteus, Moore, 1857, p. 272, pi. x, figs. 1, 1 a (1., p.) (Java; 

 N. India) ; id., 1865, p. 794 (Bengal) ; id., 1877, p. 595 (Pt. 

 Blair) ; Butler, 1881 A, p. 613 (Belgaum) ; Moore, 1882, 

 p. 23, pi. lxxxviii, figs. 1, 1 a (1., p., i.) ; Swinhoe, 1885 A, 

 p. 288 (Poona ; Belgaum ; Bombay) ; id., 1890, p. 162 (Moul- 

 mein). 



Therctra actea, Hampson, 1892, p. 100 ; Dudgeon, 1898, p. 412 

 (Sikkim & Bhutan, up to 6,000 ft.). 



Rhyneholaba acteus, Roths. & Jord., 1903, p. 789 ; Mell, 1922, 

 p. 316, pi. xii, figs. 13-19, pi. xiv, figs. 23, 24, pi. xix, figs. 24, 

 25 (pupa), pi. xxix, fig. 14, pi. xxxii, figs. 4, 5 (larva), fig. 6 

 (<?) ; Seitz, 1929, p. 568, t. 68 d. 



Imago. — <J$. Head, thorax and abdomen purplish-grey ; 

 vertex of head and a dorso-lateral stripe on thorax and 



J) 

 Fig. 119. — Rhyneholaba acteus (Cram.), penis-sheath. 



abdomen green. Fore wing purplish-grey ; a green oblique 

 central area from below apex to inner margin, with some 

 indistinct lines on it ; an irregular dark outer area with 

 some yellow inside it. Hind wing fuscous with an anal 

 patch and submarginal band ochreous. Expanse : $ 64- 

 76 mm., $ 70-80 mm. 



$. Tenth abdominal tergite as in most Theretra, gradually 

 narrowed to end, truncate, feebly sinuate, the edge rounded ; 

 sternite as long as the tergite, gradually narrowed to a point, 

 apex somewhat curved upwards. Clasper with more than 

 twelve large scales ; harpe elongate, subcylindrical, horizontal, 

 very feebly curved, apex concave on upperside, slightly 

 spoon-shaped in dorsal view. Penis-sheath with a single 

 dentate process (fig. 119). 



Hab. W. and E. Himalayas, S. India, Ceylon and Burma 

 to the Moluccas and S. China. We have bred it in many 



