278 Annals Entomological Society of America [Vol. IV, 



Q. Subdorsal stripe broken in the middle R 



R. Horn near twice as long as head, and down-curved A. versicolor 



R. Horn little longer than head and nearly straight A. chcerilis 



S. With pale substigmatal bands on the segments which have obliques, meeting 



the obliques to form chevrons Phlegethontius 5-maculatus 



S. No stigmatal band T 



T. With the obliques showing no trace of red and edged above with a row of 



black spots, horn reddish Phlegethontius Carolina 



T. Obliques not edged above with a row of black dots; usuallv with red or violet. 



U 

 U. Horn little longer than the height of the head, which is decidedly higher than 



wide Daremma undulosa 



U. Horn about half longer than the head, which is as wide as high. ... V 



V. Ground color very pale green (or the alternative pink or fawn) 



Sphinx chersis 



V. Ground color bright grass green (or crimson or brown) W 



\V. (inly six stripes are fully developed (pink); head broad and rough to the 



naked eye Dolba hylseus 



W. With seven equally well-developed stripes X 



X. Horn green, black at the sides, straight; stripes witli pink 



Sphinx gordius and luscitiosa 



X. Horn deep red (as also the stripes on the head i; stripes violet 



Sphinx drupiferarum 



X. Stripes heavily marked with black, ami often shaded with blue 



Sphinx kalmiae 



V. With oblique stripes running up toward the front Z 



Y. With pale transverse stripes; Mack Pseudosphinx tetrio iFla.) 



Y. Catocala-like with small horn ami a tubercle on middle of abdomen 



Madoryx (M. pseudothyreus occurs in Fla.) 



Y . Wit h subdorsal eyespots . ... A 



Y. Checkered or with patches of yellow dots . . .C 



Y. Metathorax sharply humped with a dorsal eyespot E 



Y. More or less striped longitudinally . .F 



Z. Oblique stripes and subdorsal red Proserpinus gaurae 



Z. Oblique stripes and subdorsal yellow Pachylia ficus (Fla.) 



\. A single eyespot on segment Al Xylophanes porcus ? (Fla.) 



\ An eyespot on Al dark-pupilled, the rest light-pupilled.'. .Xylophanes tersa 



A All the eyespots alike B 



B Ground color bright green; last eyespot quite like the others, lower part of 



head light Deilephila lineata 



u Ground color olive green; last eyespot often stretching out toward the horn; 



head with a black band below Deilphila gallii 



c Horn very slender Daremma catalpae 



i Horn normal D 



D Subdorsal yellow powdering if present continuous with that lower on the 



sides; lower part of face black Deilephila gallii 



D Patches of subdorsal yellow powdering on each segment; or checkered with 



black and green; lower part of face concolorous Deilephila lineata 



E Eyespot black with a pale ring Erynnyis alope 



e Eyespot black, with some red behind Erynnyis ello 



E Eyespot red, with a black center Erynnyis crameri 



F Horn slender; with red dorsal stripe and two white stripes or rows of white 



spots on the sides Hyloicus cupressi 



E Horn various; otherwise marked, not feeding on pine G 



i. Front edge of cervical shield raised and rough H 



(. Cervical shield lightly and evenly granulated 



Younger stages of Proserpinus flavofasciata, Hemaris, and very 

 young stages of many Sphingidae. 

 H Dorsal dark stripe edged on both sides with pale; horn much longer than 



head Hemaris thysbe 



H Dorsal dark stripe vague; horn about as long as head Hemaris diffinis 



