Mobility of apterous grain aphids Sitobion avenae within wheat fields
1988
Holmes, P.R.
In a field study of the grain aphid Sitobion avenae (F.) almost all apterous aphids were found to move from the natal ear before reproducing, and alatiform nymphs usually moved between ears during their development. Apterae were very mobile, with over 50% staying on one ear for less than 24 h. Movements did not appear to be a response to climatic conditions, predation or colony density.
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