Identification and descriptions of the ultimate instar larvae of Hydraecia immanis (hop vine borer) and H. micacea (potato stem borer) (Lepidoptera, Noctuidae) Godfrey, George L., 1943- creator Illinois. Natural History Survey Division contributor text book Champaign, Ill Illinois Natural History Survey 1981 1981
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ENG Cover title. Hop vine borer Potato stem borer QH9 .I5 no.114 Biological notes / Illinois Natural History Survey, no. 114 https://www.biodiversitylibrary.org/bibliography/200920 0073-490X https://www.biodiversitylibrary.org/bibliography/15189 8610723 10.5962/bhl.title.15189 UIU