66 



SPHINGIDvE. 



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 ; rf with small lateral expansions 



to abdomen 3. Ambulijcince. 



b'. Larva: the thoracic somites retractile, 

 the 3rd more or less swollen ; horn 

 variable. 



Imago : apex of fore wing but slightly 

 produced ; rf with small lateral expan- 

 sions to abdomen 4. C'//" mcmnpinas. 



d. Larva : the thoracic somites non-retractile, 



curved downwards in repose. 

 Imago : the proboscis very long ; abdomen 

 conical in both sexes 5 Sphinyina. 



e. Larva: the thoracic somites tapering to 



head, which is small ; horn long, curved, 

 and smooth. 



Imago : abdomen with a medial pair of 

 lateral tufts of hair on last segment more 

 or less developed in both sexes 6. Macrogloitwx. 



Subfamily ACIIERONTIIN^E. 



Larva thick, tapering to head, the thoracic somites 

 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. 



