16 



Grotella binda, Barnes, (fig. 9). 



1907, Barnes, Can. Ent., XXXIX, 93, Grotella. 1912, B. & McD., Cont. 

 Nat. Hist. Lep. N. A., I, # 4, 11, pi. IV, f. 12, Grotella. 



Front and legs essentially as in semtempunctata, but in the specimens be- 

 fore the authors there appear to be neither the small spines on the fore tibia 

 nor any spine on the hind tibia. 



Head, collar, thorax, and ground color of the primaries white, with a very 

 faint yellowish tinge. A black spot present on costa, near base; four heavy 

 black spots forming an only slightly interrupted t. a. line; a black spot on 

 costa in medial area; a black spot substituting the reniform; an only slightly 

 interrupted t. p. line of heavy black spots (7-9) ; a black spot on costa and an- 

 other small one just below take the place of an s. t. line; a black band along 

 the outer margin, broken into quadrilateral black spots by the white veins. 

 Fringe : pale, slightly darkened terminally. Secondaries : pale, soiled with some 

 fuscous scaling toward the apex. Fringe : white. Beneath : primaries yellowish 

 fuscous, white along the inner margin; traces of the t. a., t. p., and reniform 

 showing thru; a conspicuous, quadrilateral yellowish patch near apex; a ter- 

 minal darker band broken by the veins into spots. Fringe pale, tipped with 

 some fuscous. Secondaries: white, fuscous thruout costal region. 



Expanse: 19-23 mm. 



Genitalia: uncus without spoon-shaped tip, but dorsal spine present, pro- 

 nounced ; vinculum short, tapering rapidly as a circular triangle to a point ; penis 

 with a very heavy spine patch, the caudal spines being somewhat shorter and 

 with their bases widened ; the valves, radically different from all other species 

 of the genus Grotella, examined by the authors, except tricolor, which seems to 

 be the extreme. The armature of the valves is more hair-like, but similar to 

 tricolor, and is omitted from the figure for the sake of clearness. 



This species is represented in the Barnes Collection from ; Santa 



Catalina Mts., Pinal Co., Arizona, Aug. 1-7; Chiricahua Mts., Cochise 



Co., Ariz.; San Bernardino Ranch, 3750 ft., Cochise Co., Ariz., Aug., 



(F. H. Snow) ; Redington, Ariz., Christmas, Gila Co., Ariz., So. Ariz.; 



Deming, N. Mex., Sept. 1-7; So. N. Mex., Aug. 23-30, (Poling); 



"N. Mex.", Aug. 



Type localities and number and sexes of types: "Type", $ , Santa Catalina 

 Mts., (no date), hereby designated the Lectotype; "Type", 9, Chiricahua Mts., 

 (no date), to be considered the Allotype; "Type", 9, So. Arizona, (Poling), 

 which may be considered to have paratj^pical status. 



Grotella tricolor, Barnes, (fig. 10). 



1904, Barnes, Can. Ent., XXXVI, 240, Grotella. 1912, B. & McD, Cont. 

 Nat. Hist. Lep. N. A., I, # 4, 11, pi. IV, ff. 16-17, Grotella. 



