( 138 ■) 



Lrllua l„x,-;tiom, Grote, Bull. Buffalo S,v. N. 8ci. i. p. 2G (1874); Thaxt., Psyche i. p. 30(1874) 



(Newton, Mass., vii.) ; Grote,' I.e. ii. p. 228. n. 63 (1875) (Mass. ; N.Y. ; Wise). 

 Leilmt (I) luscitio/ur, Strecker, l.r. (sub syn.). 

 Giiryiiuttia luscitio.ia, Kirby, Cat. Lep. Het. i. p. 181 (18'J2). 



c? ?. Autennanmoh shorter in ? than in c?, being in the latter about two-fifths, 

 in the former two-sevenths, tlie length of the forewing. Palpus rougbly scaled as 

 in (Iri/jiifiTiirnin, prominent. Spines of foreleg not prolonged, first segment of 

 foretarsns nearly as long as segments 2 to 4 together ; spurs of mid- and hindtibiae 

 with a few spines ; hindtibia mostly obviously spinose apieally ; long apical spur 

 of hindtibia about half the length of the first tarsal segment, or less ; this segment 

 as long as the other four together ; paronycliium re<luced, with a short slender lobe ; 

 midtarsus without distinct comb of long bristles ; third row of tarsal spines rather 

 less [lointing distad thau the spines of the other rows, especially in S . 



6 . Tenth abdominal tergite similar to that oi gordius, very strongly compressed, 

 jiointed, hooked, shorter than in gordiiis ; the stornite nearly as in that sjiecies, 

 the lobe ratlier shorter, more rounded at end. (_'lasper as in ()rnpifenn-um, dorsal 

 margin almost straight in middle ; harpe (PI. XXXIX. f. 10) divided into two lobes 

 by a rounded apical sinus, the lobes of nearly equal length and width, both slightly 

 curved towards each other and somewhat concave, the lower one rounded at end, 

 without dentition, the nji])er pointed and dentate at dorsal margin. Penis-funnel 

 (PI. XXVIII. f 43. p-f) obtusely rounded, convex beneath, not prismatical ; penis- 

 sheath (PI. XXVIII. f. 43) somewhat twisted apieally, ending in a sharp conical 

 process. 



?. Vaginal plate somewhat resembling that of //. rliersi.'i and qordiiis : mouth 

 of vagina subterminal, the anterior margin of the cavity somewhat sinuate in the 

 middle. 



Larva with minute black ring-dots situated upon the annulets ; horn with 

 black lateral line, ti[i black, head and horn rugose ; side-bands white, bordered in 

 front with pinkisli lilac— Food-plants : Salix ; Populus : Betida. 



Pupa with a short (3 mm.) tongue-case, which is free, but lies closely against 

 the breast. 



Hab. Canada to Virginia, westward to the Mississijipi basin and Colorado. 



In the Tring Museum 4 larvae, 2 jiujiae, and 2 Si 13 ? ? from : N. Jersey ; 

 Denver, Colorado (((shir). 



111. Hyloicus drupiferarum. 



Sj/liin.r tfriijiiferai-um Abbot & Smith, Lep. Georgia i. p. 71. t. 30 (/., /.) (1707) (on Gllix & plum) ; 



Smilli, Trails, .liner. Ent. Soc. xv. p. 177. t. 9. f. .'5. 4 (genit.) (1888) (syn. pro parte ; Canada 



to Georgia, westw. to Calif., Vancouver I., Oregon, Colorado, Utah). 

 Lftliia (Inijilferarum, Hvibner, Vei-. hel:. Schm. p. 141. n. 1510(1822). 



d ?. Antenna short, only one-third (S) or less (?) the length of the forewing. 

 Paljius much produced beyoud the scaling of the frons. Spines of foreleg numerous 

 bat not long ; first segment of foretarsus incrassate, about as long as segments 

 2 and 3 together ; first midtarsal segment longer thau the other segments together, 

 comb with some long bristles, spines of rows 2 and 3 rather close together and long; 

 long a]iical spur of hindtibia more than half the length of first tarsal segment, 

 which is longer than segments 2 to 5 together, the metatibial spurs often with one 

 or two spines ; paronychium with lobes, which, however, do not reach far beyond 

 the middle of the claw. There are two or three black lines in the cell of the 



