658 PROCEEDINGS OF THE NATIONAL MUSEUM vol. ii4 



Barnes and Lindsey (1921) have published an excellent photograph 

 of a preparation of the entire cf genitalia of guadrellus in ventral 

 aspect. 



41. Acrolophus minor (Dyar) 

 Figures 190-195 



Pseudanaphora davisellus subsp. minor Dyar, 1903, List North Amer. Lep., p. 579, 



no. 6601a, Jan. (only briefly mentioned in Dyar's list and rather questionable 



as a formal description). 

 Homonymus coloradellus Walsingham, 1907, Proc. U.S. Nat. Mus., vol. 33, no. 



1567, p. 228, Oct. (New synonymy.) 

 Acrolophus coloradellus Barnes & McDunnough, 1917, Check List Lep. Bor. 



Amer., p. 191, no. 8177. — McDunnough, 1939, Check List Lep. Can. & 



U.S. Amer., p. 103, no. 9563. 

 Acrolophus davisellus minor Barnes & McDunnough, 1917, Check List Lep. Bor. 



Amer., p. 191, no. 8193a. — McDunnough, 1939, Check List Lep. Can. & 



U.S. Amer., p. 104, no. 9583a. 



Apparently, Dyar's only pubhshed "description" of his "sub- 

 species" consists of these words appearing in his check list of 1903: 



Pseudanaphora davisellus Beut. subsp. minor Dyar — Smaller (than davisellus), 

 the pale marks grayer and more contrasted. Ariz., Tex. 



Actually, minor is a distinct species. Although it may superficially 

 resemble davisellus, the two species are not at all closely related. 

 Thus, the combination, AcrolophiLS minor (Dyar), may be considered 

 a new combination since minor is here elevated from subspecific to 

 specific rank. This species has a single synonym, coloradellus, 

 thoroughly described externally by Walsingham in 1907. To aug- 

 ment Dyar's extremely brief, inadequate, and unillustrated descrip- 

 tion of minor, Lord Walsingham 's description of coloradellus follows: 



Homonymus coloradellus 



Antennae cinereous. 



Palpi erect, reaching scarcely above the base of the antennae, thickly clothed 

 throughout; mixed brownish ochreous and brownish fuscous, appearing slightly 

 paler than the head and thorax above and below them. 



Head and thorax are brownish fuscous, the scales tipped with hoary gray. 



Forewings rather narrow, of about equal width throughout, except at the 

 extreme base, the width equal about one-third the length, termen shghtly convex, 

 oblique, apex rounded. 



Neuration 12 veins, all separate; dull cinereous, with some paler hoary patches 

 running along the fold to the end of the cell, thickly sprinkled throughout with 

 brownish ochreous and dark fuscous scales which are concentrated in some small 

 patches, one at the end of the cell, one on, and one immediately above the fold 

 beyond it, with a series of very obscure costal spots; cilia brownish fuscous, 

 slightly paler along their base and mixed with brownish ocherous about the 

 tornus; underside uniformly brownish fuscous, with narrowly pale margins. 



Alar expanse. — 24 mm. 



Hindwings, 8 veins, all separate; slightly wider than the forewings; brownish 

 fuscous; cilia with some paler markings. 



