-50 SPHINGID^E. 



No such spines, but with longitudinal or 

 oblique stripes or both 2. 



2. Horn '^-shaped ; green, brown and yellow [p. 54. 



colour-forms Acherontia Lasp., 



Horn not ^^-shaped ; straight, down- 

 or up-curved 3. 



3. Head triangular, green with broad yellow 



cheek-stripe ; body green with pale 

 oblique stripes, that on segment 11 

 strongest ; horn, anal flap and claspers 

 tuberculate ; spiracles with a white slit 



widening above and below Dolbina Stgr., p. 96. 



Head round 4. 



4. No tubercles on body or horn, horn strongly 



down-curved ; head with a broad cheek- 

 stripe ; in the brown form subdorsal, 



subspiracular and oblique stripes present ; 



in the green form oblique stripes only . . Herse Oken, p. 63. 

 Tubercles on anterior segments and horn 



and sometimes on anal flap and claspers. 5. 

 -5. Rows of small tubercles on segments 2 to 4, 



or a large hump on 5 ; small tubercles 



on the horn, which is long and slightly 



up-curved ; a varying number of oblique [p. 69. 



stripes Meganoton Boisd., 



Rows of large tubercles on segments 2 to 4 ; 



horn straight or slightly down-curved ; 



large tubercles on horn, anal flap and [& Jord., p. 79. 



claspers ; seven oblique stripes Psilogramma Roths. 



Rows of small tubercles on segments 2 to 4 ; 



a subdorsal tubercle on 3, a dorso-lateral 



one on 4 and on the anal flap much [Roths., p. 89. 



larger ; horn straight and tuberculate . . Psetjdodoebesta 



Pupse. 



1. Tongue shorter than mid-leg, the distance 



from front of pupa to end of wing-case 



about equal to free abdomen Dolbina Stgr., p. 97. 



Tongue always longer, usually reaching tip 

 of wing-case ; length from front of pupa 

 to tip of wing-case always more than 

 length of free abdomen 2. 



2. Pupa with a free tongue -sheath 3. 



Pupa without free tongue-sheath 7. 



3. Tongue-sheath spiral ; sculpturing on 



segment 4 like shining weals ; cremaster 



conical, with two teeth Herse Oken, p. 64. 



Tongue -sheath not spiral, shaped like the 

 handle of a jug 4. 



4. Antenna in $ 3 mm. longer than fore leg, 



in 9 equal to or slightly longer than [p. 69. 



fore leg Meganoton Boisd., 



Antenna in both sexes shorter or longer 

 than fore leg ; cremaster with two teeth . 5. 



5. Antenna in both sexes longer than fore 



leg ; no sculpturing on segment 4 6. 



Antenna in both sexes shorter than fore 

 leg ; sculpturing on segment 4 ; colour [& Jord., p. 80. 



chestnut with plum -like bloom Psilogramma Roths. 



