THE CANADIAN ENTOMOLOGIST. 67 



SpILOSOMA ISABELLA. 



About 70 eggs were found June 7, 1876, in a compact group on a leaf 

 of Tritiaon repcns. The larvae were fed on Polygonums and native 

 asters. Record made July 12th of several larvae of sizes from i inch to 

 I ^ inch, which differed from the ordinary pattern by being almost entirely 

 black, and thus nearly lacking the red-brown area usually seen on the 

 intermediate group of segments. 



Nine pupee were carefully recorded, with dates from July 15th to 

 August 3rd : — 



Pupal term 1 1 days — one. 

 II 12 11 three. 



M 13 " three. 



II 14 II two. 



Average pupal term, 127^3 days. 



The remaining larvae were apparently all mature by August ist, and 

 on September 3rd there were still 22 — none having pupated since August 

 3rd. Only one more pupation occurred before winter, dating Sept. 12th, 

 and imago was disclosed not long after. 



Catocala grynea. 



Larva found June ist, 1876. Began forming pupa the same day. 

 Moth emerged June 24th. 



Another larva found June nth, pupa formed June 12th, imago dis- 

 closed June 30th. 



Another pupa dated July ist, imago July 17th. Pupal terms approxi- 

 mately 16, 18 and 22 days. 



Catocala ultronia. 



Larva found on apple-tree trunk June 5, 1876 ; began forming pupa 

 June 6 ) imago appeared June 27. 



Another larva was taken on native plum tree in garden ; pupa formed 

 June 9 ; imago appeared July 2. 



Pupal terms approximately 20 and 23 days. 



HVDROECIA SERA. 



Larva found June 11, 1876, on native anemone, Anemone pennsy.- 

 vanica, or closely allied species. 

 Pupa June 15 ; imago June 28. 



