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David

Cinnabar moth caterpillar eating ragwort

Cinnabar moth caterpillar eating ragwort

Ragworts include poisonous substances (though they are not as deadly as some scare stories claim). The main food plant for cinnabar moth caterpillars like the one featured here are those self-same ragworts.

The caterpillars are not harmed by the ragwort poisons. Rather they retain and concentrate these poisons in their bodies. Their defence against predators is to adopt bright warning colours: yellow and black in the caterpillars, scarlet and black in the day-flying adult moth. The message is: eating me will be unpleasant, or worse.

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David

Coneflowers, petals drooping

Coneflower, petals drooping

Garden coneflowers at the end of the flowering season, the petals drooping before they drop off completely.

Coneflower, petals drooping

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David

Meadow brown and small white, butterflies on thistle flower

Meadow brown and small white butterflies on thistle flower

Thistle flower. A meadow brown butterfly was feeding on the flower, then a small white butterfly came along. After some hesitation and a couple of false starts, it landed and started to feed on the opposite side of the same flower. After a short while, the white took off again and flew off, with the meadow brown continuing to feed.

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David

Standing tall, teazel plant by Compton Pool

Standing tall, teazel plant by Compton Pool

Teazel plant standing at least ten feet tall in the vegetation around the pool in Compton Park. Since these pictures were taken the plant has started to bend over almost double under the combined effects of its own weight and summer winds.

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David

Hornet hoverfly, female, on thyme flowers

Hornet hoverfly, female, on thyme flower

Large insect, looks like a hornet. But it’s a hoverfly, imitating a hornet to protect itself, so it’s no threat.

Hornet hoverflies were first recorded in Britain in the phoney war summer of 1940. They are extending their range, but even presumably up to date websites say that they are just found in south-east England, with very occasional sightings in the south-west.

This one was feeding earlier today on the flowers of a thyme in Wolverhampton. It’s a female – the males have eyes which meet in the middle.

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David

Pink yarrow, green fly

Pink yarrow, green fly

Pink yarrow flowers, with and without a visit by a fly with green body and red eyes.