324 



European specimens in our possession are more brownish and 

 contrasty than North America, but they show no definite superficial 

 dififerences, and the genitalia are the same in specimens from both 

 continents. 



Under the synonym fischcri Gartner gives an account of the early 

 stages which we translate as follows : 



The egg is pale green, polished and elongate-spherical, and the larva in 

 its first stage (zartesten Alter) cream-wliite with separate hairs, black head, 

 similar cervical and anal shields; later (in September) it bears dorsal and 

 lateral rows of red-brown dots and after hibernation (middle of March) it 

 has become stout, without having increased much in length. Head, cervical and 

 anal shields dark brown, dorsal stripe carmine-red, made up of three-cornered 

 spots; similar but finer subdorsal and lateral stripes. The ground-color of the 

 body yellowish, belly reddish. In its adult state the larva is small before and 

 behind, cylindrical in the middle ; the small head black ; the cream-white cer- 

 vical shield bears a small black shield-shaped spot (? Schildfleck), which is 

 divided with light (shades) ; the color of the body is dark red-brown, the 

 back has on each segment a white spot with two pairs of black spots, of which 

 the posterior is widely separated ; there are also such spots on the sides, upon 

 which stand pale hairs; anal shield and claws (!) dark brown. In addition 

 the larvae vary frequently in the shade of its color. 



The slender pupa is tapered behind, the head brownish dark gray, which 

 color extends over the thorax. Eyes dark, with the point of the head between 

 them. On the sides of the back the color of the body is ivory yellow (bein- 

 gelb), the row of dorsal spots and the lateral arched design darker; above the 

 cremaster is a long, thickly ciliated, somewhat projecting point.. The wing 

 cases are light greenish, the projecting leg-cases, which are free for three and 

 one-half segments, brownish; before the hairy cremaster, ventrad, are two 

 points. The older the pupa, the more brownish-gray mottled it is. 



The food plant given by Gartner is Gnaphalinm dioicum L., to 

 which Hofmann adds G. arcnarimn. 



8. Pl..\TVPTILIA CARDUIDACTYL.\ Riley. PL XLIII, fig. 1. 



Ptcrophoriis carduidactylus Riley. Mo. Rcpt. I, 180, pi. II, If. 13, 14, 1869 (bio!,). 



Id., op. cit. Ill, 67, 187i. 



Murtfeldt, Am. Ent. Ill, 235, 1880. 

 Ptatyptilus carduidactylus Zeller, Stett. ent. Zeit. XXXII, 179, 1871. 



Dimmock, Psyche III, 403, 1882. 



Id., op. cit. 413, 1882. 

 tPlatyftilia cardui Zeller, Verb. z.-b. Ges. Wien XXIII, 318, 1873. 



Walsingham, Biol. Cent. Am., Lep. Het. IV, 438, 1915. 

 Platyptilus cardui Walsingham, Pter, Cal. Ore 7, pi. I, f. 6, 1880. 



Kellicott, Bull. Buff. Soc. Nat. Sci. IV, 47, 1882 (biol.). 



Hy. Edwards, Bull. U. S. N. M. 35, 136, 1889. 



