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Aquilegia pest

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Eevah  Send Eevah a private message!


Posted on Wednesday, May 07, 2008 - 12:36 am EST :   Last Buddysize PhotosCopy highlighted text to new message Edit Post Delete Post Print Post

My aquilegias have been hit by a pest that lays its eggs in the buds, so that the buds are eaten
by the larvae before they have time to open.
It is a quite new nuisance, landed in Sweden 1989 and I have seen it mentioned here in Finland since early 2000's. Appears also in German sites, but I have not seen it in English (UK or USA) nor in French or German sites. Is it so that it actually does not exist in these countries? I do not read East European languages, so I do not know about the situation in there.

Thank you for any response!

Eeva from Finland

Eevah - (Finland), Zone "III/Finland"
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Gardenbug  Send Gardenbug a private message!



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Posted on Wednesday, May 07, 2008 - 04:36 am EST :   Last Buddysize PhotosCopy highlighted text to new message Edit Post Delete Post Print Post

I have not had experience with this pest...so far!
I am in Canada.

Gardenbug - Ontario, Zone "4/5"
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Gardenfiend  Send Gardenfiend a private message!



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My Weather
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Posted on Wednesday, May 07, 2008 - 05:41 am EST :   Last Buddysize PhotosCopy highlighted text to new message Edit Post Delete Post Print Post

I've not heard of it - nor have my aquilegias. Yet...

Gardenfiend - Germany, Zone "7a"
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Maggiepie  Send Maggiepie a private message!


Posted on Wednesday, May 07, 2008 - 05:44 am EST :   Last Buddysize PhotosCopy highlighted text to new message Edit Post Delete Post Print Post

Last year I had rose slugs ( I think) on a couple of my aquilegias which ate most of the leaves in one day.
Only other pest I have encountered are leaf miners.

Maggiepie - New Brunswick, Zone "4b"
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Posted on Wednesday, May 07, 2008 - 06:04 am EST :   Last Buddysize PhotosCopy highlighted text to new message Edit Post Delete Post Print Post

Oh, we have other pests though...the little green worms that eat all the foliage overnight! Those can be picked off by hand (very time consuming as they are hard to see) or if you miss them, the plant will grow new leaves afterwards.
There's always a challenge in the garden...or 2 or 3 or more!

Gardenbug - Ontario, Zone "4/5"
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Loretta  Send Loretta a private message!



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Posted on Wednesday, May 07, 2008 - 07:00 am EST :   Last Buddysize PhotosCopy highlighted text to new message Edit Post Delete Post Print Post

Nothing eating the flowers here either, but plenty of leafminers. Last year, I started chopping down the plants several times throughout the year and disposing of the infected foliage. You can tell by the smaller plants I have this year.

Loretta - NJ, Zone "6"
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Maggiepie  Send Maggiepie a private message!


Posted on Wednesday, May 07, 2008 - 09:15 am EST :   Last Buddysize PhotosCopy highlighted text to new message Edit Post Delete Post Print Post

Gardenbug wrote on Wednesday, May 07, 2008 - 06:04 am:

the little green worms that eat all the foliage overnight


Those are the things I thought were rose slugs, do you know if they are?

Maggiepie - New Brunswick, Zone "4b"
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Eevah  Send Eevah a private message!


Posted on Wednesday, May 07, 2008 - 11:50 am EST :   Last Buddysize PhotosCopy highlighted text to new message Edit Post Delete Post Print Post

Lucky you! In Germany the bud eating pest is called Akelei Gallmücke and I am afraid our German friend will find it one day in his/her garden. The leaf eating caterpillars should be easier to keep in check as they stay in the open. A good description of those in
www.dgsgardening.btinternet.co.uk/aquilegia_sawfly.htm
but the ones which hide within the buds are better protected and so a real nuisance. Hope you won't see them!

Eeva from Finland

Eevah - (Finland), Zone "III/Finland"
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Posted on Wednesday, May 07, 2008 - 12:05 pm EST :   Last Buddysize PhotosCopy highlighted text to new message Edit Post Delete Post Print Post

Eevah is correct in identifying the ones that affect my plants...the sawflies.
These are not rose slugs (at least I don't call them that!) and they do not eat the buds. Either removing them or cutting back the foliage are the only solution.

Gardenbug - Ontario, Zone "4/5"
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Maggiepie  Send Maggiepie a private message!


Posted on Wednesday, May 07, 2008 - 12:11 pm EST :   Last Buddysize PhotosCopy highlighted text to new message Edit Post Delete Post Print Post

Gardenbug wrote on Wednesday, May 07, 2008 - 12:05 pm:

These are not rose slugs (at least I don't call them that!)


I'm not sure what rose slugs even are, but I had these rotten things on some roses last year as well as the aquilegias, and they ate all parts of the leaves except the skeleton.

Maggiepie - New Brunswick, Zone "4b"
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Loretta  Send Loretta a private message!



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Posted on Wednesday, May 07, 2008 - 10:02 pm EST :   Last Buddysize PhotosCopy highlighted text to new message Edit Post Delete Post Print Post

Rose slugs are a type of sawfly. I have a ton of those but they don't bother the aquilegia.

Loretta - NJ, Zone "6"
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Maggiepie  Send Maggiepie a private message!


Posted on Thursday, May 08, 2008 - 04:18 am EST :   Last Buddysize PhotosCopy highlighted text to new message Edit Post Delete Post Print Post

Thanks for clearing that up Loretta.

Maggiepie - New Brunswick, Zone "4b"
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Eevah  Send Eevah a private message!


Posted on Monday, May 12, 2008 - 01:15 pm EST :   Last Buddysize PhotosCopy highlighted text to new message Edit Post Delete Post Print Post

I have found a bit more about the columbine pest. It seems to belong to a large family of insects called gall midges, The name comes from the galls (pea-size buttons) it makes some plants to develop in their leaves. Their menu is variable, from flowers to trees, some even eat insects and are used for biological pest control. However, each of these midges only eats one type of plant. The bud eaters devour at least day lilies and what we call madonna lilies (those big white ones, I don't know the name in English). The only remedy is to pick and destroy the affected buds. This year I am trying a systematic insecticide, getting really fed up with them!

Eevah - lake area (Mikkeli), Zone "III/Finland"
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Gardenfiend  Send Gardenfiend a private message!



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Posted on Monday, May 12, 2008 - 01:28 pm EST :   Last Buddysize PhotosCopy highlighted text to new message Edit Post Delete Post Print Post

Thank you for the German name. I know of many different Gallmücken, but I hadn't heard of one that specialises on Aquilegia. I haven't seen it mentioned in the German forum either, so maybe it isn't terribly wide-spread here yet. Still hoping...

Gardenfiend - Germany, Zone "7a"
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Bunting  Send Bunting a private message!


Posted on Monday, May 12, 2008 - 01:42 pm EST :   Last Buddysize PhotosCopy highlighted text to new message Edit Post Delete Post Print Post

There is a small green worm on ours since a few years

You can see roads going through leaves where they travel and eat

I forget what this worm is called

In the Fall they drop off the plant and winter over in the soil just to attack again next year

Bunting - NS, Zone "6a"
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Eevah  Send Eevah a private message!


Posted on Monday, May 12, 2008 - 02:01 pm EST :   Last Buddysize PhotosCopy highlighted text to new message Edit Post Delete Post Print Post

I think they are leaf miners, you will get loads of hits by googling

Eevah - lake area (Mikkeli), Zone "III/Finland"
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Eevah  Send Eevah a private message!


Posted on Monday, May 12, 2008 - 02:08 pm EST :   Last Buddysize PhotosCopy highlighted text to new message Edit Post Delete Post Print Post

Sorry, just noticed that in my first post I said that I have seen this bug mentioned in German sites,
and a bit later that I have not seen it in German sites. What I should have said is that I HAVE seen it in GERMAN sites, but I HAVE NOT seen not it in French or SPANISH sites (which may mean that South Europe is free from it).

Eevah - lake area (Mikkeli), Zone "III/Finland"

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