240 Journal New York Entomological Society. [Vol. vi. 



THREE NEW SPECIES OF SESIID^E. 



By William BeutenmOller. 

 Sesia tacoma, sp. nov. 



Male : Head deep black, palpi yellow above and clothed with long black and 

 yellow hair beneath. Collar narrowly yellow in front. Thorax deep black with a 

 narrow yellow stripe on the patagiae and a narrow, yellow, transverse mark at the pos- 

 terior end. Abdomen deep black with a narrow yellow band at the end of the second, 

 fourth and sixth segments. Anal tuft black, fan-like and mixed with a little yellow 

 beneath at the middle. Thorax beneath with a large yellow patch on each side. 

 Femora black with loose scales ; tibiae banded with yellow ; tarsi yellow. Anterior 

 coxae with a yellow line. Fore wings transparent, brown-black at margins and on the 

 veins ; space between median vein and inner margin orange-red, also orange-red be- 

 tween the veins on the outer part of wings and border of the cell. Transverse mark 

 large, black and touched with orange-red on each side. Transparent part beyond 

 this mark rounded; elongate and triangular in cell. Fringes brown. Hind wings 

 wholly transparent and narrowly bordered with violet black ; fringes brown. An- 

 tennae black. Fore wings beneath largely orange-red except borders and the trans- 

 verse mark which is much reduced. Hind wing like above, but with an orange line 

 in outer border. Expanse, 1 9-2 1 mm. 



Female : Head, thorax, legs and abdomen as in the male, but the abdomen is 

 heavier with the bands somewhat broader. Palpi wholly yellow. Fore wings with the 

 orange-red and heavier, giving them a red appearance with narrow black margins. 

 Hind wings with a narrow red margin before the brown fringes. Underside almost 

 entirely golden orange-red and narrowly bordered with brown-black outwardly and 

 the fringes. Transverse mark red, sometimes with a black center. Hind wings be- 

 neath similar to the above. Abdomen beneath with three bands at. end. Anal tuft 

 black, a little yellow beneath. Expanse, 20-22 mm. 



Habitat: 1 $ , Big Horn Mts., Wyoming, July 11, 1896 (R. P. 

 Currie), Type, U. S. National Museum; 3 $ , 6 9, Mt. Ranier, 

 6,300 feet, Washington State, August, on Veratrum viride (C. V. 

 Piper). 



Sesia arizonas, sp. nov. 



Head brown black ; collar canary yellow in front ; palpi wholly canary yellow. 

 Thorax brown-black with a narrow yellow line on the patagiae. Abdomen blue 

 black ; first segment yellow and with a yellow band at the ends of the 3-7 segments, 

 inclusive, those on the third, fifth and seventh segments twice as broad as the others. 

 Anal tuft largely yellow, black at the sides and beneath. Thorax beneath with a 

 large yellow patch on each side. Abdomen beneath with the bands repeated or only 

 partly repeated. Femora blue-black ; tibiae banded with yellow, tarsi wholly yellow 

 as are also the anterior coxae. Fore wings violet brown, with the usual transparent 

 spaces, wholly or partly filled with golden-orange and only slightly transparent be- 

 yond the golden-orange transverse mark, also streaked with this color between the 



