Doug Wechsler / Ant (Crematogaster) attending Oleander / Milkweed aphids (Aphis nerii) beneath a Milkweed (Asclepias lanceolata) leaf, with Dusky ladybird (Scymnini) larvae feeding on them, Philadelphia, USA, July.
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Konrad Wothe / Ant (Formicidae) pair protecting Aphids (Aphis sp) which in turn produce honeydew that ants eat, Bavaria, Germany
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Doug Wechsler / Milkweed / Oleander aphids (Aphis nerii) on common milkweed (Asclepias syriaca). Philadelphia, PA. August
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Stephen Dalton / Blackfly / Aphids (Aphis sp) wingless forms on dock stem, UK
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Nick Upton / Red ants (Myrmica rubra) tending Black bean aphids (Aphis fabae) as they produce young nymphs asexually on Abutilon (Abution suntense) stem. Wiltshire garden, UK, June.
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Simon Colmer / Colony of Elder aphids (Aphis sambuci) feeding on Elder (Sambucus) stem, Sussex, England, UK
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Stephen Dalton / European Honey bee (Aphis mellifera) collecting nectar from bean flower. England, UK
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Dave Bevan / Black bean aphid (Aphis fabae) colony on Broad bean stem with Red ant searching for honeydew, UK
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Simon Colmer / Elder aphids (Aphis sambuci) on elder stalk, UK
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Premaphotos / Seven-spot ladybirds (Coccinella 7-punctata) feeding on Black bean aphids (Aphis fabae) in a garden, UK
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Adam White / Seven spot Ladybird {Coccinella septempunctata}larva on Broad Bean plant with Blackfly / Black Bean Aphid {Aphis fabae} UK.
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Adam White / Blackfly / Black Bean Aphid {Aphis fabae} on stem of Broad Bean plant, UK.