Nigel Cattlin / Elder aphid (Aphis sambuci) infestation on the young shoot of ornamental Elder (Sambucus sp) in garden. Berkshire, England, UK. April.

Nigel Cattlin / Mealy cabbage aphid (Brevicoryne brassicae) infestation on Brassica stem. Berkshire, England, UK. June.

Nigel Cattlin / Mealy cabbage aphid (Brevicoryne brassicae) infestation on Brassica stem. Berkshire, England, UK. June.

Nigel Cattlin / Mealy cabbage aphid (Brevicoryne brassicae) infestation on secondary host plant Hedge mustard (Alliaria petiolata). Berkshire, England, UK. June.

Nigel Cattlin / Seven-spot ladybird (Coccinella septem-punctata) larva predating Black bean aphids (Aphis fabae) on Runner bean (Phaseolus coccineus). Bean with buds. Berkshire, England, UK. July.

Nigel Cattlin / Black bean aphid (Aphis fabae) infestation on Runner bean (Phaseolus coccineus), stem twining up bamboo cane. Berkshire, England, UK. June.

Nigel Cattlin / Black bean aphid (Aphis fabae) infestation on flowering Broad bean (Vicia faba). Berkshire, England, UK. June.

Nigel Cattlin / Black bean aphid (Aphis fabae) infestation on Broad bean (Vicia faba) plant. Berkshire, England, UK. June.

Nigel Cattlin / Harlequin / Asian ladybird (Harmonia axyridis), larva Berkshire, England, UK.

Nigel Cattlin / Harlequin / Asian ladybird (Harmonia axyridis) larva with black spindle-thistle aphid prey (Aphis fabae cirsiiacanthoidis) Berkshire, June

Doug Wechsler / Brown lacewing (Hemerobiidae) larva feeding on Oleander Aphid (Aphis nerii) Philadelphia, USA, June.

Doug Wechsler / Brown lacewing (Micromus sp) larva eating Oleander aphid (Aphis nerii) on common milkweed, USA.