Journal of the Australian Entomological Society (1992) 31, 333-334

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P.J. De Barro (1992)
Karyotypes of cereal aphids in South Australia with special reference to Rhopalosiphum maidis (Fitch) (Hemiptera: Aphididae)
Journal of the Australian Entomological Society 31 (4), 333-334
Abstract: Rhopalosiphum maidis in South Australia has a karyotype of 2n = 8, regardless of host plant. This contrasts with world-wide records where other karyotypes (2n = 9, 10) are common on host plants other than maize and sorghum. R. maidis (2n = 9) has been recorded consistently in eastern Australia on hosts other than maize. Other cereal aphids in South Australia, namely, R. padi (L.), Metopolophium dirhodum (Walker) and Sitobion nr fragariae, have karyotypes as previously recorded in the literature.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Full text of article
Database assignments for author(s): Paul J. De Barro

Research topic(s) for pests/diseases/weeds:
general biology - morphology - evolution

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


Rhopalosiphum maidis Australia (South+SE)
Rhopalosiphum padi Australia (South+SE)
Metopolophium dirhodum Australia (South+SE)
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