OF NORTH AMERICA. 91 



genera is very dissimilar. In our genus the median nervules are longer, 

 and arise much nearer the middle of the wing, especially the fourth 

 median. The second and third median nervules in both wings are in 

 Heterogynis remote at their origin, while in Phryganidia they arise from 

 a common branch which is thrown off from the main nerve. This is 

 very abnormal in the moths. * * * * 



Packard, Proc. Ent. Soc. Phil., vol. 3, p. 348-9. 



The transformations of P. Californica on which this genus is founded, 

 are so dissimilar to those of the true PsychiintC, that I remove the genus 

 to its present position, though with some hesitation, and chiefly because 

 I feel unable to assign it a more satisfactory position. Not only does the 

 larva construct no " sac," but it does not even construct a cocoon of 

 any kind, and the pupa is naked and suspended by the tail. It trans- 

 formations are given in their appropriate place. 



l.-PHRYGANIDIA CALIFORNICA. (PI. 3, fig. U $ , 15 5 , pi. 10, fig. 4 larva, 5 pupa. 



Phryga7iidia Californica, Pack., Proc. Ent. Soc. Phil, vol. 3, p. 349. 

 (1864.) 



3 . — Pale brown. x\ntennai smoky black ; palpi, front, base of the 

 patagia, and an interspaceal row of three cloudy spots immediately 

 outside the discal vein, yellowish ochre. All the remainder of the in- 

 sect pale sable brown, wings somewhat transparent and nervules darker; 

 secondaries paler than the primaries. Abdomen slender and cylin- 

 drical. 



? . — Resembles the male except that the yellowish spots on the pri- 

 maries are absent, the wings are more transparent, and the costa of the 

 primaries is more rounded, while the abdomen is stouter, abruptly 

 pointed, and terminated with two short stiff spines. 



Expanse ofivings, $ $1.50 inches. Length of body, 0.55 inch. 



Habiiai. — California, (Coll. Edwards, Behrens, etc.) 



Larva. — Slender ; head very prominent, globose ; last segment but 

 one-humped ; length 0.90 to i.oo inch. 



Head pale brown. Body black above, dirty green below, with a 

 broad dorsal line of dirty greenish, divided by three narrow black lines, 

 and the sutures faintly marked with the same color. There is also a 

 narrow, broken stigmatal line of dirty greenish, and a similar line above 

 each of the abdominal legs. Tip of the last segment horny, the segment 



