1. BOUDREAUX, H. B. (1963) Ann. Rev. Ent. 8: 137-154.
2. GALLO, J. R. (1961) Hort. Abs. 31 No. 515.
3. HENNEBERRY, T. J. (1960) Ph. D. Dissert. cited after Hilgardia 35: 273-322.
4. HENNEBERRY, T. J. (1962) J. econ. Ent. 55: 799-800.
5. KOCH, M. A. and J. R. MCMEECKIN. (1924) Van Nostrad Co., New York, U.S.A.