THE CANADIAN ENTOMOLOGIST. 63 



Coenocalpe magnoliata does not belong here, but until we know 

 the genitalia and life histories better, we had better leave them 

 as they are. Mr. Louis B. Prout is in accord with me that the 

 larval characters and imagoes are quite distinct from those of the 

 other species listed under Hydriomena. Hera conlracta, for ex- 

 ample, has a strong hooked clasper, which shows it does not belong 

 to Hydriomena. 



In regard to life histories, very little seems to be known of the 

 American forms, but in Europe H.fnrcata, aiitumnalis arid riiberata 

 have been bred for years 



I take this opportunity of correcting two errors of sex-signs, 

 which appeared in former papers of mine on this genus. In the 

 description of Hydriomena henshawi (Can. Ent., Vol. XLIV, 

 p. 164, 1912) instead of "Type 1 d" , Nevada," read "Type 1 9, 

 Nevada." In the description of H. mihilofasciata Pack. var. 

 ■cumulata Swett (Can. Ent., Vol. XLII, p. 281, 1910), instead of 

 "Types 2 c^, Feb. 6, 1874, Sanzalito, Cal." read "Types 2 9 ," etc. 



I realize that the task of unravelling this variable group has 

 been a difficult one, and that my work is incomplete, but I hope 

 that I have at least made some of the puzzling forms more easily 

 recognizable to the average collector. 



Synopsis of Species and Varities. 



14. Hydriomena speciosata Pack. — Green and white mottled. 



Var. agassizi Swett. — Black and green. 

 Var. taylori Swett. — Green and brown. 



15. Hydriomena costi punctata Barnes and McD. — Green and 

 brownish purple. 



16. Hydriomena harnesata Swett. — Green and white. 



17. Hydriomena bistriolata Zell. — Green suffused, white mesial 

 space. 



18. Hydriomena regidata Pears. — Green and liver coloured. 



19. Hydriomena edenala Swett. — Green and white (black bar). 



20. Hydriomena chiricahuata Swett. — Green and white, narrow 

 mesial band. 



21. Hydriomena similaris Hulst. — Green with bluish bands. 



22. Hydriomena ruberata Freyer. — Gray with reddish shaded 

 bands. 



