( 4435) 



<S ? . Palpus longer than in the other species, hook of antenna also rather 

 lunger. Ahdonien and wings beneath chestnut-red to cinnamon-rufous. Legs 

 yellowish white, like breast, except up]ieiside of foreleg, hindtarsus, tip of hindtihia, 

 iind jiart of luidtarsus. Cell of forewing either entirely scaled, or the vitreous 

 sjiace divided by a scaled fold, distal brndir diluted at E-, dentate or simple ; 

 liindwing sealed beyond end of cell. 



(J. Tenth tergite truncate, tip of each jirocess sinuate, essentially as in 

 fuciformis ; sternite (PI. XLITI. f. 25) asymmetrical as in gracilis, the vestige of 

 tlie right lobe (r) rather more obvious than in other s})ecies. Left clasper 

 (PI. LL f. 17, 1} very slender, somewhat sjiatulate, rounded dilated ventrally near 

 base, process of harpe (//) represented by a short projection accompanied by a 

 broader and lower hump which bears some bristles ; right clasper (r) also slender, 

 shallowjy emarginate ventrally beyond middle, harpe ending in a club-shai)ed 

 Jirocess which bears long sjiines on the upperside at apex. Penis-fnnnel (i'-k) 

 smooth, not granulose ; penis-siieath (p) ending in a long, bnt not sharply jHiiuted, 

 Jirocess. 



Larva green, with a rather sharply defined reddisli ventral band, which is often 

 restricted to the last segments, dorsal mesial line accompanied at each side by a 

 white line ; a yellowish dorso-lateral line ending at horn. — Food-jilants : Vihiinuun: 

 Si/mphoricarfus ; Frunus ; Crataegus ; etc. 



A variable species. We distinguish three principal forms, which are connected 

 by all intergradations. 



a'. II. tlu/sbe f. loc. fuscicaudis. 



*Spshi fiisrirawlix Walker, List Lep. /«s. B. M. viii. p. 83. n. 6 (ISSG) (Georgia ;— Mus. Brit.) ; 



Clem., Joiint. Ac. N. Sc. PhiUid. iv. p. 131). n. 3 (1859) ; Morris, Cat. Lep. N. Am. p. 17 



(180O) ; Clem., in Morris, .S>/. Lep. N. Am. p. 150. n. 3 (1862). 

 Ilaemorrhagia funclraiid/s, Grote & Rob., Proc. Ent. Sor. Philad. v. p. 150. n. U (180.'.) ; Grote, 



B,dL Buffalo So<: N. Sc. i. p. 7. 8. 19 (1S74) ; id., I.e. ii. p. '224. n. 12 (1875); id., /.-■. iii. p. 22(1. 



n. 14 (1877). 

 Maci-oglossa fuscicaudis, Boisduval, .S/jcf. Geu. Lip. Het. i. p. 373. n. 63 (1875). 

 Hemaris fuscicaudis, Butler, Traus. Zool. Soc. Loud. ix. p. 622. n. 23 (1877) ; Streck., Lep. Rhop. 



Het. p. 140 (1877) (= southern form of thijsbe) ; Maass., Stett. Ent. Zeit. xli. p. 51 (1880) 



(= thyshe) ; Grote, Canud. Ent. xviii. p. 130. n. 14 (1886) (Georgia) ; Smith, Trans. Amer. 



Ent. Hoc. XV. p. 106 (1888) (= thyshe ?) ; Kirby, Cat. Lep. Het. i. p. 624. n. 1 (1892). 



S ? . Fourth to last segment of abdomen, above, chestnut-red, sometimes almost 

 hhu^k, in specimens leading over to the next with tawny-olive lateral patches on 

 segments 6 and 7 ; border of forewing dentate. 



A sontiiern form which does not extend northward to N. England ; it is the 

 usual summer tVirui in the Southern States. 



//. II. thyshe f. th>isbc. 



Sesla thyshe Fabricius, Syst. Eut. p. 548. n. 4 (1775) (America); id., Spec. /hs. ii. p. l.V). n. 10 (1781) : 

 id., .\Iant. Ins. ii. p. 99. n. 10 (1787) ; id., Eut. Syst. iii. 1. p. 381. n. 10 (1793) ; Walk., List 

 Lep. Ins. B. M viii. p. 82. n. 5 (1856) ; Clem., Journ. Ac. N. Sc. Philad. iv. p. 129. d. 2 (1H59) 

 (partim) ; id., in Morris, Syn. Lep. N. Ant. p. 149. n. 2 (1862) (partim) ; Lintner, Proc. Ent. 

 Soc. Philad. iii. p. 646 (1864) (life hist.) ; id., Ent. Cemtr. i. p. 190(1872) (N. York, i:. v.); 

 Caulf., Canud. Ent. vii. p. 241. n. 1 (1875) (Montreal, vi.). 



Sjihinx pelasgus Cramer, Pap. Exot. iii. p. 93. t. 248. f. n (1779) (N. York ; " Jamaica " err. loci !). 



Sphin.c thy-nhe, Goeze, Ent. Beytr. iii. 2. p. 208. n. 19 (1780) ; Gmel., Syst. Nat. i. 5. p. 2,388. n. 101) 

 (1790). 



Cephonudes pelasgus, Hiibner, Verz. hek. Schm. p. 131. n. 1405 (1822). 



