References
- Blackman , R. 1974 . Aphids , 175 – 175 . London & Aylesbury : Ginn .
- Buckton , G.B. 1882 . Monograph of British Aphides , Vol. IV , 7 – 16 . London : Ray Society . + plate 115
- Davidson , W.M. 1917 . Little known western plant lice. II . Journal of Economic Entomology , 10 : 290 – 292 .
- Dixon , A.F.G. 1985 . Aphid Ecology , 157 – 157 . London & Glasgow : Blackie .
- Feeny , P. 1970 . Seasonal changes in oak leaf tannins and nutrients as a cause of spring feeding by winter moth caterpillars . Ecology , 51 : 565 – 646 .