How to get rid of pear thrips

QuestionsHow to growFruitPearsHow to get rid of pear thrips
Patricia and Tom Farrell asked 10 years ago

Every year my 4 cordon pear trees get these black tiny slug like insects all over their leaves. They suck the chlorophyll out of the leaves and ruin them. I squash as many of them as possible but wonder if I can get rid of this recurring problem. I don’t like using chemical controls if at all possible.

1 Answers

Gerry Daly Staff answered 2 years ago
This is pear slug worm, also affects cherry trees. The small slug-like worms are the larvae of a kind of sawfly. The larvae eat the top layer of the leaf, skeletonising them.

Although unsightly, the damage is not that significant, especially on trained trees that tend to over-grow in any case. 

But if the damage is causing lack of growth and crop, any contact insecticide will give control, including organic kinds.

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