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A simple key for the diagnosis of the instars of the Russian wheat aphid, Diuraphis noxia (Mordvilko) (Hemiptera: Aphididae)

  • Y. K. Aalbersberg (a1), M. C. Van der Westhuizen (a2) and P. H. Hewitt (a2)

Abstract

The morphology of the antennae, caudae and wingbuds of Diuraphis noxia (Mordvilko) was used in conjunction with ratios between antennal segment lengths to draw up a key for diagnosis of the instars.

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Aalbersberg, Y. K., Du Toit, F., Van der Westhuizen, M. C. & Hewitt, P. H. 1987). Development rate, fecundity and lifespan of apterae of the Russian wheat aphid, Diuraphis noxia (Mordvilko) Hemiptera: Aphididae), under controlled conditions.—Bull. ent. Res. 77, 629635.
Dürr, H. J. R. (1983). Diuraphis noxia (Mordvilko) (Hemiptera: Aphididae), a recent addition to the aphid fauna of South Africa.—Phytophylactica 15, 8183.
Eastop, V. F. & van Emden, H. F. (1972). The insect material.—pp. 145in van Emden, H. F. (Ed.). Aphid technology.—344 pp. London, Academic Press.
Hughes, R. D. (1972). Population dynamics.—pp. 275293in van Emden, H. F. (Ed.). Aphid technology.—344 pp. London, Academic Press.
Lykouressis, D. P. (1983). Key for the identification of the instars of the English grain aphid, Sitobion avenae (F.) (Hemiptera: Aphididae).—Entomologia Hellenica 1, 4751.
Walters, M. C., Penn, F., Du Toit, F., Botha, T. C., Aalbersberg, K., Hewitt, P. H. & Broodryk, S. W. (1980). The Russian wheat aphid.—Fmg S. Afr., Leafl. Ser., Wheat G.3, 16.

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A simple key for the diagnosis of the instars of the Russian wheat aphid, Diuraphis noxia (Mordvilko) (Hemiptera: Aphididae)

  • Y. K. Aalbersberg (a1), M. C. Van der Westhuizen (a2) and P. H. Hewitt (a2)

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