References
- Groeler , J. H. , MacLeod , D. M. and DeLyzer , A. J. 1962 . The fungus Empusa aphidis Hoffman parasitic on the aphid Schizolachnus pini-radiatae (Davidson) . Canad. Ent. , 94 : 46 – 49 .
- Hall , I. M. and Bell , J. V. 1962 . Nomenclature of Empusa Cohn 1855 vs. Entomophthora Fresenius 1856 . J. Insect Path. , 4 : 224 – 228 .
- Hall , I. M. and Dunn , P. H. 1957 . Entomophthorous fungi parasitic on the spotted alfalfa aphid . Hilgardia , 27 : 159 – 181 .
- Lamb , K. P. and Lowe , A. D. 1961 . Studies of the ecology of the cabbage aphid on brassica field crops in Canterbury, New Zealand. I. Introduction and population study, 1958–9 . N.Z. J. agric. Res. , 4 : 619 – 642 .
- MacLeod , D. M. 1955 . A fungous enemy of the pea aphid, Macrosiphum pisi (Kaltenbach) . Canad. Ent. , 87 : 503 – 505 .
- Petch , T. 1939 . Notes on entomogenous fungi . Trans. Brit. mycol. Soc. , 23 : 127 – 148 .
- Steinhaus , E. A. 1949 . Principles of insect pathology , 1st ed. , 328 – 328 . Toronto : McGraw-Hill . 757 pp.
- Thaxter , R. 1888 . The Entomophthoraceae of the United States . Mem. Boston Soc. nat. Hist. , 4 : 133 – 201 .