Insect and Bug ID forum: Good or bad?

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Name: Reid
North Branch, MN (Zone 4b)
Garden Ideas: Master Level Celebrating Gardening: 2015
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Anderwood
Jul 8, 2015 2:26 PM CST
As you can see from the picture, these were on the stem of a thistle. Thanks!
Thumb of 2015-07-08/Anderwood/4820c1

Name: Janet Super Sleuth
Near Lincoln UK
Charter ATP Member Organic Gardener Garden Photography Bee Lover Dragonflies Cat Lover
Butterflies Birds Plant Identifier I was one of the first 300 contributors to the plant database! Spiders!
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JRsbugs
Jul 8, 2015 3:10 PM CST
They are aphids, not necessarily bad. Less bad on a thistle than a prized plant. If you watch them I bet you will see them disappear, birds eat aphids and wasps use them either to take to their nests to use as hosts for their eggs, or some parasitize them in situ by injecting an egg into the body which will be food for the developing young. If you destroy aphids you could be destroying an important predator which will increase and keep pests at bay.

Name: Reid
North Branch, MN (Zone 4b)
Garden Ideas: Master Level Celebrating Gardening: 2015
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Anderwood
Jul 8, 2015 3:13 PM CST
Thanks!!! I will leave them be.

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