SPHINGIDAE. 145 



Synoptical Table of Genera. 



A. Anterior wings entire. 

 I.* Terminal margin obliquely convex, 

 f Antennae clavato-prismatic or prismatic, with a short hook and seta. 

 % Abdomen long, cylindrico-conical, not tufted at the tip. 

 lO Tongue twice, or nearly twice, as long as the body. 

 Macrosila. — Head large ; eyes very large ; wings rather broad, interior angle 

 # dilated. 

 S. Leucophxata. — Head large, eyes very large ; wings narrow, interior 

 angle rounded. 

 20 Tongue nearly as long as the body, or somewhat longer. 

 Sphinx. — Head rather long and narrow, eyes small ; wings narrow and 

 long. 

 Macrosila Forestan. — Head large and broad, eyes large ; fore wings broad. 

 Wings rather short and broad, hind margin in middle slightly dilated. 

 Dolba. — Tongue a little longer than the body, eyes small, head broad and 

 obtuse. 

 3° Tongue two-thirds as long as the body. 

 Pachylia (in part). — Head large, prominent, eyes large; body thick and 



large. 

 Darapsa, Group II. — Tongue moderately long. 



Interior border of wings straight. 

 Lapara. — Tongue moderate ; head small and short ; palpi very short ; abdo- 

 men linear. 

 4° Tongue about one-third as long as the body. 

 Ceratomia. — Body thick ; head small, eyes small ; thorax short, globose ; 



abdomen long. 

 Daremma. — Body rather slender ; tongue short, distinct ; abdomen taper- 

 ing. 

 5° Tongue as long as palpi. 

 Ellema. — Body subfusiform ; head small, narrow, subtufted and sessile ; 

 eyes small. 



ff Antennse slender, minutely serrate-setose. 



X Abdomen more or less tufted at the tip. 



(Enosanda. — Head slightly crested ; tongue moderate ; «palpi long and 



slender. 

 Perigonia. — Head rounded, smooth ; tongue rather short ; palpi very short 



and stout. 

 Macroglossa. — Head very broad ; tongue one-half as long as body, eyes 

 small ; palpi broad beneath. 

 Iff Antennae subclavate or fusiform, with a minute hook. 

 % Abdomen not tufted at the tip. 

 Arctonotus. — Tongue obsolete or very short; body very pilose ; abdomen 

 hardly longer than thorax. 

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