106 



SPHINGID.E. 



a pale patch with two dark lines across it near anal angle. Under- 

 side paler, with indistinct transverse lines. 



There are four well-marked varieties which are not locally 

 constant : — 



(1) rubescens, a dark red-brown form with a prominent oblique 



black streak from costa of fore wing to lower end of cell ; 

 hind wing very dark. 



(2) discistriga = melanomera = macromera = qrandis, a grey form, 



much powdered and suffused with dark brown. 



(3) obliqua, a whitish-grey form with a prominent black streak 



on fore wing as in rubescens, but continued to the outer 



Fig. 61. — Pseudosphinx discistriga, rf . \. 



margin ; hind wing very dark ; the patch at anal angle 

 remaining pale. 

 (4) increta = vates, a pale form but slightly powdered with 



brown. 

 Larva green, with white specks on the vertex of somites 1, 2, 

 and 3 ; oblique white lateral stripes on somites 4-11, with brown 

 streaks above them on somites 4 and 10. 



Hab. China and throughout India and Ceylon. Exp. 90-140 

 millim. 



170. Pseudosphinx concolor, n. sp. 



S . Head, thorax, and abdomen grey ; sides of head black ; collar 

 fringed with black, and tegulae streaked with black. Pore wing 

 grey ; traces of a medial ferruginous band most prominent on 

 inner area : two black streaks in the interspaces between veins 2 

 and 4 : dark points on the cilia at veins. Hind wing reddish 

 brown, the cilia uniform grey 



Differs from the European pinastri and allies in the uniform 



