764 REVISION OF AUSTRALIAN LEPIDOPTERA, 



spinose. Forewings in £ beneath often with a small pencil of 

 hairs on vein 1 towards middle ; 2 from §, 3, 4, and 5 approximated 

 at base, 6 from near 9, 7 and 8 out of 9, 10 connected with 9 by- 

 bar. Hindwings in <J sometimes with several long spreading 

 pencils of hair on inner margin ; 3, 4, 5 approximated at base, 6 

 and 7 approximated at base, 8 anastomosing with upper margin of 

 cell from near base to beyond middle. 



A. Forewings with darker apical patch. 



a. Forewings with large white basal patch.. 105. brachyleuca. 



b. „ without ,, „ 104, astreas. 



B. Forewings without darker patch. 



a. Abdomen rosy 106. serica. 



b. ,, whitish-ochreous 107. rubripes. 



104. Amer. astreas, Drury. 

 {Sphinx astreas* Drury, Ins. Exot. ii, pi. XXVIII, 4.) 

 £. 56 mm. Head ochreous-whitish, with a black dot on fore- 

 head and another on crown. Palpi red, white beneath, apex of all 

 joints broadly black. Antennae dark fuscous, near base red on 

 back, basal joint whitish above, red beneath. Thorax pale whitish- 

 fuscous, with eight round black dots on back in two series, two on 

 each shoulder, and one on each patagium. Abdomen rosy, beneath 

 white, with a double lateral row of black dots. Legs rose-red, 

 anterior and middle tibite fuscous. Forewings elongate-triangular, 

 costa moderately arched, apex obtuse, hindmargin gently rounded, 

 very oblique ; semihyaline, tinged with whitish-fuscous ; veins 

 fuscous ; a black dot on base of costa, a second in middle of base,, 

 and a third close beyond second ; costa and inner margin suffused 

 with whitish-fuscous ; a moderately broad fuscous bar on trans- 

 verse vein, connected on costa with a subtriangular fuscous apical 

 patch, of which the anterior margin is subdentate on veins, and 

 extends from § of costa to middle of hindmargin. Hindwings 

 short, triangular, hindmargin almost straight ; semihyaline, tinged 

 with whitish-fuscous, more strongly towards inner margin ; veins 

 fuscous ; a narrow fuscous apical spot. 



