66 



SPHINGID^. 



b. Larva : rugose, tapering to head, which is 



produced upwards ; horn straight. 

 Imago : the proboscis very short and slight. 2. Smerinthince. 



c. Imago : the proboscis of moderate length, 

 a'. Larva : tapering to head, which is larger 



and rounded ; horn straight. 

 Imago : the apex of fore wing much pro- 

 duced ; S with small lateral expansions 



to abdomen 3. Ambubjcince. 



b'. Larva : the thoracic somites retractile, 

 the 3rd more or less swollen ; horn 

 variable. 

 Imago : apex of fore wing but slightly 

 produced ; S with small lateral expan- 

 sions to abdomen 4. Chcerocampince. 



d. Larva : the thoracic somites non-retractile, 



curved downwards in repose. 

 Imago : the proboscis very long ; abdomen 

 conical in both sexes 5 Sphingince. 



e. Larva : the thoracic somites tapering to 



head, which is small ; horn long, curved, 

 and smooth. 

 Imago : abdomeu -with a medial pair of 

 lateral tufts of hair on last segment more 

 or less developed in both sexes 6. Macroglossinaz. 



Subfamily ACHERONTIINiE. 



Larva thick, tapering to head, the thoracic somites retractile ; 

 the horn more or less recurved at the tip and tuberculate. 



Fig. 39. — Larva of Acherontia styx. (From Moore, Lep. Ceyl. pi. 76.) 



Pupa without external sheath for proboscis. 

 Imago with the proboscis short and thick ; the antennae thick 

 at base. 



