50 WILLIAM T. M. FORBES 



63. Wing membrane not aculeate; R, rarely as strong as the other veins, and when 



distinct separated from the base of the wing by several times its length 

 (fip 73) Tineidae (p. 116) 



64. Cell set obliquely in wing, twice as near inner margin as to costa at outer end; 



with one or both cubitals very short and running directly across to inner 

 margin (figs. 123, 175) 65 



64. Cell lying in center of wing, or, rarely, oblique, but with both CUj and Cu z 



long and longitudinal; rarely obsolete (figs. 129, 185) 67 



65. Hind wing lanceolate; R and M, widely separated, parallel (fig. 175). 



Blast obasidae (p. 308) 



65. Hind wing linear, R and M, connate or stalked 66 



66. Fore tibia exceptionally slender, with epiphysis rudimentary, at its apex, or 



absent; antenna? turned forward in repose Coleophoridae (p. 202 ) 



66. Fore tibia usually stout, the epiphysis conspicuous and situated at its middle; 



antenna? folded back in repose A few Lavernidae (p. 318) 



67. Membrane of hind wing distinctly excavated below apex, with pointed, pro- 



duced apex; rarely bifid (figs. 156, 160, etc.) Gelechiidae (p. 255) 



67. Hind wing rounded at apex or trapezoidal, often broader than its fringe; anal 

 region developed (fig. 138. etc.) 68 



67. Hind wing lanceolate and pointed or linear, much narrower than its own 



fringe (fig. 180) 81 



68. Hind wing with both M! and M 3 lost; 1st A lost in fore wing (fig. 291). 



Carposinidae (p. 513) 



68. Hind wing with at most one vein lost 69 



69. Vestiture of thorax and legs of deep spatulate hair; tongue obsolete, body 



usually stout; venation complete, with base of media preserved 70 



69. Vestiture of thorax and fore and middle tibia? mostly of normal scales; body 



usually slender 71 



70. Palpi upturned beyond middle of front, usually beyond vertex, or long and 



porrect; with very long first joint; eyes usually hairy. 



Tineidae (Acrolophinae) (p. 116) 



70. Palpi small, not reaching middle of front; eyes naked Cossidse (p. 516) 



71. Cu 2 arising less than three-fourths way out on cell (fig. 234) ; palpus beak-like 



with second joint rough and usually porrect or oblique, and third small (figs. 

 241 to 243, and 271 to 283. inclusive) Tortricidae (p. 376) 



71. Cu 2 arising more than three-fourths way out on cell or (rarely) palpus smooth 



and upturned beyond vertex (fig. 147) 72 



72. Palpus rough-scaled and beak-like, with second segment roughly scaled on 



upper side, and third porrect, inconspicuous; 1st A lost; R and M, closely 

 approximate or stalked (fig. 288) Phaloniidae (p. 499) 



72. Palpus weak and hardly projecting beyond front, or rudimentary; tongue rudi- 

 mentary; female (so far as known) with abdomen heavily tufted at apex; 

 R and M, normally separate but strongly divergent (figs. 103, 104) 73 



72. Palpus bristled on outer side of second segment, sometimes with a mass of 

 bristles, third segment ovoid, well set off, sometimes porrect; R and M t nor- 

 mally separate 74 



72. Palpus upturned to middle of front or beyond, second joint long and slender, 



usually tapering 75 



73. Male antennae simple or bristled in American species, female with abdominal 



tuft . Psychidae (p. 140) 



73. Male antennae plumose ; female unknown Epipyropidae 



74. Wing membrane not spinulated; antennae shorter than fore wing. 



Tineidae (p. 116) 



74. Wing membrane spinulated; antennae of male much larger than fore wing; 

 ovipositor chitinized, piercing Incurvariidae (p. 72) 



