376 PROCEEDINGS OF THE NATIONAL MVSEVM. vol. xxv. 



tied, subdorsal line diffuse above, obscurely pale. Color paling ven- 

 trally but not sharply. Tubercles black. Very obscureh' colored and 

 without defined marks. 



Stage VI. — The same, pale, obscurely marked. Dorsal space 

 broadly paler mottled, all sordid brown. I have previously described 

 this stage. ^ Width of head 1.8 mm. 



Eggs from a female moth taken at Denver, June 23. Moths issued 

 from these larvae August 13. The larvfe fed readily on Polygoniun; 

 probably they would eat any low plants. 



LEUCANIA FARCTA Grote. 



Eggs. — Spheroidal, distinctly flattened al)ove and below, about alike 

 at the ends, somewhat irregularly shaped from pressure as they were 

 laid in a crevice, gkied to both sides but weakly. Shining pale yellow. 

 Reticulations finely linear on a smooth surface, irregularh^ 4 to 6 

 sided; no trace of ribs. Flattened sides smooth, somewhat plainly 

 rimmed; diameter 0.6 mm. 



Stage I. — Head round, luteous, ocelli large, black; width 0.3 mm. 

 Bod}^ cylindrical, joint 12 enlarged dorsally, joints 5 and 6 enlarged; 

 semilooping, but the feet of joints 7 and 8 only a little smaller than 

 the others; segments rather roughly 3 to 4 annulate, especially on 

 thorax. Whitish translucent; cervical shield small, brownish; food 

 faintly yellowish, no marks. Tubercles and seta? obsolescent and 

 scarcely visible. Thoracic feet brownish at tip; no leg shields nor 

 anal plate; setoe pale. 



Stage II. — Head rounded, slightly bilobed, erect, antennas rather 

 large; translucent testaceous, dark on the vertex from within, ocelli 

 black, mouth brown; width 0.5 mm. Body cylindrical, rather larger 

 behind the thorax and at joint 12. Dull gray-green dorsally, Avhitish 

 ventrally with narrow whitish dorsal, sul)dorsal and lateral lines; the 

 division between the dorsal and ventral colors is sharp. No shields; 

 tubercles small, vi present. Feet pale, normal, practically equal. 



Stage III. — Head rounded, bilobed, apex in joint 2; dull luteous; 

 width 0.8 mm. Bod}^ smaller behind but subequal, scarcely any 

 enlargements. Finelv striped in brown and olivaceous yellowish. 

 Ground pale olivaceous; dorsal line whitish, brown edged; subdorsal 

 line whiter, brown edged, verj^ distinctly so below; below this a yel- 

 lowish white line; lateral line 3'ellowish white, brown edged; stigmatal 

 band white, brown edged, heavily so above; three broken sub ventral 

 lines; feet and venter pale, scarcely marked. No shields. 



Stage IV. — Head held flatly but free from joint 2, luteous, brown 

 reticulate; width 1.4 mm. Body striped in olivaceous 3"ellow and 

 brown. Geminate dorsal, addorsal, broad subgeminate subdorsal lines 



iProc. Ent. Soc. Wash., IV, 1899, p. 322. 



