ACHERONTIA. 55 



Pup&. 



Segment 2 nearly 4 mm. long ; sculpturing [p. 57. 



on segment 4 slightly concave 4. lachesis (Fabr.), 



Segment 2 about 2 mm. long ; sculpturing on [p. 60. 



segment 4 flat A. s. styx Westw., 



1. Acherontia lachesis (Fabr.) (Fig. 9 A, imago, B, genitalia : 

 PL I, figs. 1, 2, larva ; PL VII, fig. 8, pupa ; PL XIII, 

 fig. 1, larva). 



Sphinx lachesis, Fabricius, 1798, p. 434 (Ind. or.). 



Acherontia morta, Hiibner, 1822, p. 140; Butler, 1877 A, p. 598,. 

 pi. xcii, fig. 9 (larva) ; Moore, 1879 A, p. 595 (Pt. Blair) ; Butler, 

 1881 A, p. 613 (Kurachi) ; Swinhoe, 1885 A, p. 290 (Poona, 

 Bombav ; sound of larva, variat. of larva accord, to food) : 

 id., 1886, p. 435 (Mhow) ; id., 1890, p. 164 (Moulmein) ; 

 Hampson, 1891, p. 2 (Nilgiris, 6.000 ft,). 



Acherontia satanas, Boisduval, 1836, pi. xvi, fig. 1. 



Acherontia lethe, Westwood, 1848, p. 87, pi. xlii, fig. 2. 



Acherontia circe, Moore, 1857, p. 267. 



Acherontia lachesis, Moore, 1882, p. 6, pi. lxxvii, figs. 1, lb, lc 

 (1., p., i.) ; Hampson, 1892, p. 67 ; Roths. & Jord., 1903, p. 17 ; 

 Jordan, 1911, pf 232, t. 36 a; Seitz. 1928, p. 526; Mell, 1922, 

 p.' 10, pi. i, figs. 1-9 ; pi. xxi, fig. 1 (larva) ; pi. xiv, fig. 40 ;. 

 pi. xv, figs. 1, 2 (pupa) ; pi. xxi, fig. 2. 



Acherontia styx, Swinhoe, 1884, p. 513 (Karachi ; larva cliff, on 

 diff. plants). 



Manduca lachesis, Kirby, 1892, p. 700. 



Imago. — ffi. Large, heavily built and sombre looking ; 

 head and thorax blackish, powdered with white, yellow and 

 blue-grey scales ; a k ' skull -mark " on dorsum of thorax, 

 which is more striking than in styx, taking the form of round 

 black " eyes " ringed with yellow or pink, and the pale outline 

 of the skull on a darker ground. Abdomen black with a 

 broad, interrupted, grey-blue dorsal stripe and small yellow 

 side-patches on the four proximal segments. 



Fore wing blackish, powdered with white, yellow and blue- 

 grey scales ; black basal, subbasal, antemedian, median 

 and postmedian transverse bands, of which only the costal 

 portions are clearly defined ; a double pale, transverse band 

 immediately following the black postmedian, as well as a 

 pale subterminal lunulate band widening out at costa ; 

 a white speck at end of cell ; a large apical, costal, fulvous 

 patch reaching down one-third of the terminal margin of 

 wing and variegated with two pale double bands. Hind wing, 

 basal quarter black except for the extreme base, which is 

 yellow ; a broad, black, median band from below costa 

 to anal angle, turning up to inner margin ; a broad, black 

 terminal band stopping before anal angle. Undersides of 

 both wings yellow, the inner half of fore wing with a black 

 patch about middle of cell and a black spot m the end of it, 

 and beyond the cell a dusky, straight, transverse, blurred 

 band followed by a double postmedian dusky line ; hind wing 



