CLEAR-WING MOTHS OF FAMILY AEGERIIDAE 165 



ALBUNA PYRAMIDALIS form MONTANA (Hy. Edwards) 



Albuna montana Hy. Edwards, Papilio, vol. 1, p. 188, 1881. — Beutenmuller, Bull. 



Amer. Mus. Nat. Hist., vol. 4, p. 172, 1892.— Gillette, Colorado Agr. Coll. 



Bull. 43, p. 6, 1898. 

 Albuna tanaceti Hy. Edwards, Papilio, vol. 1, p. 188, 1881.— Beutenmuller, Bull. 



Amer. Mus. Nat. Hist., vol. 4, p. 171, 1892. 

 Albuna pyramidalis var. montana Beutenmuller, Bull., Amer. Mus. Nat. Hist., 



vol. 6, p. 90, 1894; vol. 8, p. 127, 1896; Mem. Amer. Mus. Nat. Hist., vol. 1, 



pt. 6, p. 274, pi. 32, fig. 34 (male), 1901. 



Males and females. — Hy. Edwards's description of Albuna montana, 

 based on 21 examples from New Hampshire to California and British 

 Columbia, appHes to a color variation of A. pyramidalis having the 

 forewing marked more conspicuously with red than in the typical form. 

 It is not a sharply defined variety, the difference being rather one of degree 

 and more pronounced in the females than in the males. It may be included 

 in any lot of specimens of pyramidalis regardless of locality throughout 

 the range of the species. Distinguishing features are the bright-red scaling 

 between veins lb and 2 on the inner margin and the red edge on the discal 

 mark, w^hich is broad outwardly and narrower or lacking inwardly. 

 Beutenmuller states that the legs of montana are yellow, with the tibiae 

 narrowly banded with black, which seems to be true as regards the females 

 but does not apply to the males, which have the legs dull colored, pale yel- 

 low or whitish, heavily mixed with black. Moreover, the v^idth of the 

 bands of the abdominal segments is subject to individual variation and is 

 not dependable for identification purposes. The recognition of the color 

 variety montana, therefore, remains a matter of discriminating selection. 



Distribution. — Same as that of Albuna pyramidalis. 



Type. — Female. In the American Museum of Natural History. 



ALBUNA PYRAMIDALIS form RUBESCENS (Hulst) 



Sesia rtibescais Hulst, Bull. Brooklyn Ent. Soc, vol. 3, p. 76, 1881. 



Albuna rubesccns Beutenmuller, Bull. Amer. Mus. Nat. Hist, vol. 4, p. 171, 1892. 



Albuna pyramidalis var. rubescens Beutenmuller, Bull. Amer. Mus. Nat. Hist., 



vol. 6, p. 90, 1894; vol. 8, p. 127, 1896; Mem. Amer. Mus. Nat. Hist., vol. 1, 



pt. 6, p. 274, pi. 33, fig. 19 (female), 1901. 



Male. — Antennae bipectinate, black above, reddish brown beneath. 

 Labial palpus rough, yellow, black at the sides and on tip above. Crown of 

 head black, with a strong brush ; face pale yellow ; occipital fringe yellow. 

 Collar steel blue, yellow at the sides and beneath. Thorax hairy, black 

 mixed with yellow, densest at sides posteriorly and transversely on meta- 

 thorax; a small cluster of yellow scales at base of forewing, anteriorly and 

 beneath. Abdomen black, segments 2, 4, 5, 6, and 7 conspicuously banded 

 with yellow above and beneath; a row of flat, shiny, pale-yellow scales 

 edging the bands posteriorly above and at the sides ; segment 2 black, with 

 a small yellow spot dorsally and a yellow band beneath ; anal tuft with two 

 black spreading lateral pencils longer than the middle portion, which is yel- 



