280 BEUTENMULLER, MONOGRAPH OF THE SESIIDyE. 



low, with a black band on the tibiae. Fore wings transparent, with narrow black borders ; discal 

 mark prominent, sometimes marked with a little red outside. Underside with border and discal 

 mark yellow. Hind wings transparent, with narrow black outer margin. 



Female. — Head black, face and palpi yellow. Wings with brown borders and discal mark on 

 fore wings rather heavily marked with orange outside and wholly orange beneath. Abdomen with 

 three yellow bands, one on each of the second, fourth, and sixth segments ; underside with trace of 

 a band on the fifth segment. Anal tuft yellow mixed with black. Otherwise like the male. 



Expanse : Male, 20-22 mm. ; female, 24-25 mm. 



Habitat. — Colorado, Montana, British Columbia, Huachuca Mts,, Arizona. 



Types : Algeria gilice, one female ; S. deceptiva, two males Coll. Am. Mus. Nat. Hist.; Albuna 

 vitrina, one male. Coll. B. Neumoegen, Brooklyn Inst. Arts and Sciences. 



An easily recognizable species. The margins of the fore wings are rather 

 narrow, black, and the abdomen has four yellow bands in the male and three in 

 the female. Nothing is known regarding its life-history. 



Sesia rileyana (Hy. Edw.). 



Plate XXXI, Fig. 9, Male, and Plate XXXII, Fig. 25, Female. 



Albuna rileyana Hy. Edwards, Papilio, Vol. I, 1881, p. 187 ; Grote, New Check List N. Am. 



Moths, 1882, p. 12 ; Beutenmuller, Bull. Am. Mus. Nat. Hist. Vol. IV, 1892, p. 172. 

 Sesia rileyana Beutenmuller, Bull. Am. Mus. Nat. Hist. Vol. VIII, 1896, p. 129. 

 sFgeria brunneipennis Hy. Edwards, Papilio, Vol. I, 1881, p. 191 ; Grote, New Check List N. Am. 



Moths, 1882, p. 12. 

 Sesia brunneipennis Smith, List N. Am. Lepid. 189 1, p. 20 ; Beutenmuller, Bull. Am. Mus. Nat. 



Hist. Vol. VIII, 1896, p. 129. 

 sFgeria hyperici Hy. Edwards, Papilio, Vol. I, 1881, p. 195 ; Grote, New Check List N. Am. 



Moths, 1882, p. 12 ; Beutenmuller, Bull. Am. Mus. Nat. Hist. 1892, p. 173. 



Male— Head black, face yellow ; palpi yellow, with black hairs outside. Collar edged with yel- 

 low in front and behind. Thorax black, patagia edged with yellow posteriorly, base with a transverse 

 yellow mark and a small spot of the same color at the base of the fore wings. Antennae black, 

 rather strongly pectinated. Abdomen black with six lemon yellow bands, basal segment with no 

 band or only a very slight trace of one. Anal tuft black mixed with yellow. Legs yellow banded 

 with black. Fore wings transparent, with narrow brown borders ; discal mark bright red ; under- 

 side similar to the above, but the costa is washed with yellow. Hind wings transparent, with a 

 narrow brown margin ; discal mark very slight, red. Underside same as above. 



Female.— Somewhat like the male, but has only five bands. Anal tuft black. Fore wings with 

 costal margin somewhat broader and the outer margin very broad, reducing the outer transparent 

 area to a small rounded space ; the margins are bronzy brown, the inner one red to nearly the anal 

 angle. Discal mark prominent, red, narrowly edged within with brown. Underside with costal and 

 inner margins washed with yellow, outer part rayed with red between the veins. Hind wings with 

 margin somewhat broader than in the male. Underside more or less lined with red. 



Expanse : Male, 20-23 mm - ; female, 23-30 mm. 



Habitat.— North Carolina, West Virginia, Illinois, Ohio, Kansas, Missouri, Montana, California, 

 Oregon. 



Types : One female ; J£. hyperici, two males. Coll. Hy. Edwards, Am. Mus. Nat. Hist. ; JE. 

 brunneipennis, one female. Coll. F. Tepper, Agricul. College, Michigan. 



The male and female differ somewhat; the former has the margins of the 



