%S BEUTENMULLER, MONOGRAPH OF THE SESIIDyE. 



laterally is a yellow stripe. Anal tuft black yellow on each side above, and the outer part of 

 the fore wings rayed with golden yellow between the veins. Otherwise same as the male. 



Expanse : Male and female, 14-18 mm. 



Habitat. — Canada to Florida and Texas. 



Types : One male. Coll. T. W. Harris, Boston Soc. Nat. Hist. ; ^Egeria koebelei, one male. 

 Coll. Hy. Edwards, Am. Mus. Nat. Hist. 



Larva. — "Normal (S. exitiosa). Clypeus not distinctly truncate at lower corners, paraclypeal 

 pieces narrowed centrally ; brown, yellowish about the paraclypeal sutures, the others and the mouth 

 black, epistoma transparent. Body white, annulets moderate, shields very pale, cervical shield 

 without any brown line in the groove. Feet with 6 to 8 small crochets." (Dyar, MS.) 



A common species everywhere, infesting the apple and pear. The larva 

 lives in the bark making small burrows. Unlike other members of the family, 

 the larvae do not live on the sap wood but immediately under and in the bark. 

 (Plate XXXV, Fig. 3). The moth appears in June and early in July. 



Sesia scitula {Harris). 



Plate XXXI, Fig. 25. 



yEgeria scitula Harris, Am. Journ. Arts and Sci. Vol. XXXVI, 1839, p. 313 ; Walker, Cat. Lep. 

 Brit. Mus. Pt. VIII, 1856, p. 45 ; Grote, New Check List N. Am. Moths, 1882, p. 12 ; 

 Beutenmuller, Bull. Am. Mus. Nat. Hist. Vol. VI, 1894, p. 94. 



Trochilium scitula Harris, Synop. Lepid. N. Am. 1862, p. 141. 



Sesia scitula Boisduval, Suites a Buffon, Nat. Hist. Lepid. Het. Vol. I, 1874, p. 439; Beuten- 

 muller, Bull. Am Mus. Nat. Hist. Vol. VIII, 1896, p. 139 ; ibid. Vol. IX, 1897, p. 200. 



Trochilium gallivorum Westwood, Gard. Chronic. 1854, p. 757 ; Trans. Ent. Soc. Lond. 2nd Ser. 

 1855, p. 21; Hy. Edwards, Papilio, Vol. II, 1882, p. 97. 



yEgeria gallivora Grote, New Check List N. Am. Moths, 1882, p. 12 ; Kellicott, Can. Ent. Vol. 

 XXIV, p. 45. 



Sesia gallivora Smith, List Lepid. N. Am. 1897, p. 21. 



Trochilium hospes Walsh, Proc. Ent. Soc. Phil. Vol. VI, 1866, p. 270. 



yEgeria hospes Grote, New Check List N. Am. Lepid. 1882, p. 12. 



Sesia hospes Packard, 5th Rep. U. S. Ent. Com. 1890, pp. 217, 328, 596. 



yEgeria (zmula Hy. Edwards, Papilio, Vol. Ill, 1883, p. 155 ; Ent. Amer. Vol. Ill, 1888, p. 224. 



Sesia cemula Smith, List Lepid. N. Am. 1891, p. 20. 



Male.— Head and antennae black ; palpi yellow, tip black ; orbits white. Thorax deep blue 

 black with a yellow line on each side and a yellow patch on each side beneath. Abdomen deep 

 blue black with a narrow yellow ring on the second and fourth segments, the latter covering the 

 whole segment beneath. Anal tuft black. At the base of the abdomen is a yellow line reaching 

 to the end of the second segment. Femora blue black, tibiae yellow with a purple band on the 

 middle and hind femora. Anterior coxse yellow. Fore wings transparent, borders and discal mark 

 blue black, narrow ; outer margin broad, with yellow rays. Underside brighter than the upper. 

 Hind wings transparent, margins very narrow, blue black. 



Female— Similar to the male, but heavier. The palpi are wholly yellow and the fourth seg- 

 ment is yellow above and below ; the fifth and sixth are yellow beneath ; on the fore wings the 

 yellow between the veins of the outer border is more distinct and the anal tuft is yellow at the 

 sides. 



Expanse : Male and female, 18-22 mm. 



Habitat— Canada, New England, and Middle States, to Virginia, westward to Ohio and Illinois. 



