Aphididae | Black aphids on feverfew (Aphis fabae ?) |
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on Tanacetum in Capel Road garden, 14 May 2011 |
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Aphids on Tansy (Tanacetum) in the garden. An ant is "milking" one of them. This species may be Aphis fabae, which is often attended by ants, as here. They make use of many herbaceous plant species, in this case Feverfew. |