The abdomen (body) of a
Ladybird Larva. This strange looking creature appears quite different from
the familiar adult beetles which appear throughout Britain during most months of the
year. One of the most common species of the 100 or so found in Europe and the 42 in
Britain is the Seven-Spot Ladybird Coccinella septempunctata. Both adult
and larval stage Seven-Spot Ladybirds are carnivores, feeding on aphids and small
caterpillars. As a result they are very useful in the garden keeping down a number
of pests. The spiky appearance of the larva with its long ribbed body has earned it
its nickname of 'insect alligator'. Ladybird larvae grow quickly on their diet of
greenfly and shed their skin three times in order to allow their body to expand in
size. They pupate on leaves and the adult beetle emerges after about two
weeks. Adult Ladybirds in Britain hibernate in sheltered places such as hollow plant
stalks through the winter and emerge during the spring to lay the first batch of
eggs. Most ladybirds will live for a maximum of around 12 months and consume around
5500 aphids, 500 in the larval stage and 5000 in the adult! The larvae of ladybirds
are also cannibals and will often eat each other.
The bright coloration of the adult ladybird is usually a warning to other
animals not to eat it. The Seven-Spot Ladybird produces a nasty tasting yellow
liquid if it feels threatened..
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