n African Entomology - Preliminary evidence of a resistance-breaking biotype of the Russian wheat aphid, (Kurdjumov) (Homoptera : Aphididae), in South Africa : short communications

Volume 15, Issue 1
  • ISSN : 1021-3589



(Kurdjumov) (Homoptera: Aphididae) has been the most important pest of wheat, , in the summer rainfall production areas of South Africa since its first report as pest in 1978 (Walters 1984). This aphid is endemic to central Asia, southern Russia, countries bordering the Mediterranean Sea, Iran and Afghanistan (Durr 1983; Hewitt 1984; Dolatii 2005) but now occurs in all major small grain production regions of the world except northeastern China (Robinson 1992) and Australia (Botha & Hardie 2000).

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