Family Name: Syrphidae
Common Name: Hoverfly
Adult hoverflies are 4-7 mm long and have a
dark-coloured, flattened body with black and yellow markings. They can hover or
fly swiftly, and like all flies, have only one set of wings. The adults feed on
pollen and honeydew and do not feed on insects. The larvae are generally green
in colour with a whitish stripe down the centre of their back. The larvae are
grub or maggot-like (with no visible legs), and can be mistaken for pest grubs
such as the diamond back moth. They grow up to 8-10 mm long and importantly,
are predatory. They attack aphids, spearing them with their prominent mouth
hook.
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