1978 Walnut Aphid Study Chromaphis Juglandicola Gutierrez, A.P., C.B. Huffaker, Richard Hom, Robert Nowierski. 1978.
1978 Dusky-Veined Aphid Callaphis Juglandis Gutierrez, A.P., C.B. Huffaker, Richard Hom, Robert Nowierski. 1978.
