3° 2 BEUTENMULLER, MONOGRAPH OF THE S'ESIID^E. 



Expanse : Male, 12 mm. ; female 18 mm. 



Habitat. — Arizona (Fort Grant). 



Type : One male. Coll. Hy. Edwards, Am. Mus. Nat. Hist. 



One of the smallest species of the family. It is allied to Sesia decipiens, 

 from which it differs in the number of bands on the abdomen and by the narrower 

 and paler margins of the fore wings. It lives in a gall found on live-oak. 



Sesia prosopis {Hy. Edw.). 



Plate XXXI, Fig. 6, Male. 



Algeria prosopis Hy. Edwards, Papilio, Vol. II, 1882, p. 99 ; Ent. Amer. Vol. Ill, 1888, p. 224 ; 



Beutenmuller, Bull. Am. Mus. Nat. Hist. Vol. IV, 1892, p. 172. 

 Sesia prosopis Smith, List Lepid. N. Am. 1891, p. 21 ; Beutenmuller, Bull. Am. Mus. Nat. Hist. 



Vol. VIII, 1896, p. 142 ; ibid. Vol. IX, 1897. 



Male.—- Head, antennae, and thorax wholly deep black; abdomen wholly black, or with a 

 narrow white band on the second and last segments ; palpi white, third joint blackish. Legs black, 

 hind tibiae with tufts and spurs white ; hind tarsi banded with white ; anterior coxse white. Fore 

 wings transparent, borders and discal mark black, transparent area edged with whitish scales ; 

 underside with costa and inner margin to the discal mark white. Hind wings transparent, with 

 narrow black margin ; fringes white. 



Expanse : 14 mm. 



Habitat. — Arizona (Fort Grant). 



Type : One male. Coll. Hy. Edwards, Am. Mus. Nat. Hist. 



A very distinct species, recognizable by the black color and white fringes on 

 the hind wings. The female and earlier stages are not known. Lives in a gall 

 found on mesquit. 



Sesia tecta {Hy. Edw.). 



Plate XXXI, Fig. 7, Male ; Flate XXXTII, Fig. 2, Male, and Fig. 3, Female. 



^geria tecta Hy. Edwards, Papilio, Vol. II, 1882, p. 56 ; Grote, New Check List N. Am. Moths, 



1882, p. 12. 

 Sesia tecta Smith, List Lepid. N. Am. 1891, p. 21 ; Beutenmuller, Bull. Am. Mus. Nat. Hist. Vol. 



VIII, 1896, p. 142. 



Male.— Head black, palpi yellow, collar very narrowly edged with yellow anteriorly. Antennae 

 black. Thorax black with a yellow line on each side and a small transverse mark of the same color 

 posteriorly. Body black with five yellow bands, a narrow one on each of the first, second, and last 

 two segments, and a very broad one on the fourth segment. The last three bands extend around 

 the body, with an additional one on the fifth segment beneath. Anal tuft black, yellow in the 

 middle beneath. Legs black, anterior coxse yellow, femora black, tibiae and tarsi with yellow rings. 

 Fore wings with margins very narrow, black. Discal mark very narrow, straight and' edged with 

 orange outwardly. Underside marked with golden yellow. Hind wings transparent, with a very 

 narrow black margin. 



Expanse : 18 mm. 



Habitat. — Arizona and New Jersey (?). 



Types : Two males. Coll. B. Neumoegen, Brooklyn Inst. Arts and Sciences. 



