Tiny worms on parsley

fauzieJune 25, 2011

I have lost many parsley plants in my herb garden. The leafs wilt, and after I check the roots, I can see a lot of very small (but visible to the naked eye) worms. Can anybody here explain what I am dealing with here? And how to control them?

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Tiffany, purpleinopp GardenWeb, Z8b Opp, AL

Are these worms on the plants or in the dirt? What do they look like?

Petroselinum crispum is a host plant for some swallowtail butterfly larva. Their caterpillars are black and green striped with yellow dots. Host plant means that the caterpillars eat that particular plant before making a coccoon and turning into a butterfly. The caterpillars of different butterflies (and moths) use different plants as hosts, depending on which kind they are.

    Bookmark   June 27, 2011 at 11:23AM
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fatamorgana2121(Zone 5/6)

I linked in a blog post that shows black swallowtail caterpillars in a parsley patch. The caterpillars are distinctive and easy to spot. With the caterpillars, the foliage disappears but doesn't wilt.

I must admit to not being up on all pests that could be attacking the roots. I know there are destructive nematodes (as well as beneficial ones) but I believe they are generally below what can be seen by the human eye.


Here is a link that might be useful: Recently seen in the parsley patch...

    Bookmark   June 27, 2011 at 3:19PM
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Ummm .. they are worms, not caterpillars.
Yes they are attacking the roots. They look like nematodes, but they are large enough to be visible (but too small to be photographed properly)

Only two more parsley plants left, and both are under attack. No italian food this season :(

    Bookmark   June 28, 2011 at 4:17AM
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t-bird(Chicago 5/6)

could it be carrot root fly larvae? Not sure if it goes after parsley - but they are the same family.

    Bookmark   July 5, 2011 at 2:53PM
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