1. Abdusamatov, A., andYusunov, S.Y. 1971. Pediculinine: A new alkaloid fromPedicularis olgae.Khim. Prir. Soedin. 7:306?309 (Chem. Abst.).
2. Bernays, E., andDeLuca C. 1981. Insect anti-feedant properties of an iridoid glycoside: Ipolamiide.Experientia 37:1289?1290.
3. Bobbitt, J.M., andSegebarth, K.P. 1969. Iridoid glycosides and similar substances, pp. 1?145,in W.I. Taylor and A.R. Battersby (eds.). Cyclopentanoid Terpene Derivatives. Marcel Dekker Inc., New York.
4. Bowe, J.J. 1972. Another larval foodplant forEuphydryas phaeton (Drury) (Nymphalidae).J. Lepid. Soc. 26:122.
5. Bowers, M.D. 1980. Unpalatability as a defense strategy ofEuphydryas phaeton (Lepidoptera: Nymphalidae).Evolution 34:586?600.