516 ME. A. G. BUTLEK ON THE SPHINGID^. 



„ T, Number of 



Genua. Eange. ^^^^^ 



18. Lintneria IJiiited States 3 



19. Ceratomia Massacliusetts to Mexico 2 



20. Nephele Australia, Asia, and Africa 18 



21. Calymiiia North India to Java 1 



22. Ellema United States 3 



23. Lapara Canada 1 



The remaining genera, being doubtful Sfhingidm, need not be considered. 



The species which lias the greatest range is ChcerocamjM celerio. This insect is found 

 throughout the Old World ; it is very rapid and indefatigable on the wing, and is not 

 unfrequently caught on board ship out of sight of land. Its food-plant is the vine. 



Characters of the Subfamilies. 



1. Maceoglossin^. 



Larva with the anterior segments tapering towards the head, retractile ; horn long 

 and curved ; head rather small. 



Imago generally with externally angulated palpi ; the antennae often gradually thicker 

 from the base to the apex ; thorax large and prominent ; abdomen of the male always 

 with a more or less developed anal tuft of hair-scales. 



2. Ch^kocampiNjB 



Larva with the anterior segments retractile, the fifth somewhat abruptly broader ; the 

 fifth, and sometimes all the segments laterally ocellated ; horn variable ; head rather 

 larger. 



Imago generally with externally rounded palpi, the antennae generally rather slender ; 

 eyes salient ; thorax large and prominent ; abdomen without an anal tuft. 



3. Ambulicin^. 



Larva with the anterior segments non-retractile, tapering slightly towards the head, 

 which is abruptly rather larger and rounded ; horn oblique, not curved, but slightly 

 pointing upwards at the tip ; a series of lateral oblique stripes. 



Imago with externally rounded palpi, the antennae slender in both sexes ; eyes salient ; 

 thorax rather short ; abdomen of the male produced behind, with lateral angular ex- 

 pansion. 



4. Smerinthin.^. 



Larva rugose, with the anterior segments tapering towards the head, which is ab- 

 ruptly and decidedly larger, flattened in front, and angular above ; horn straight. 



