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View Thread :: Identification queries :: Diptera (adults)
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#1 Print Post
Posted on 21-07-2005 14:24

Location: Rotterdam, Netherlands
Posts: 120
Joined: 21.03.05

I only ever see them on this plant.

What are they called when they are at home?
Paul Beuk
#2 Print Post
Posted on 21-07-2005 19:23
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Location: Netherlands
Posts: 19145
Joined: 11.05.04

I guess that would be Terellia tussilaginis of the Tephritidae. John Smit or someone else will correct me when I am wrong. Wink

- - - -

Paul Beuk on
#3 Print Post
Posted on 23-07-2005 15:50
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Location: Helsinki, Finland
Posts: 1999
Joined: 02.09.04


Just mentioning that T. tussilaginis breeds in the flowerheads of Arctium and overwinter in the flowerheads as fully grown larvae or puparia. They are very easy to rear: just collect some of the flowerheads in mid-winter and put them in a large plastic bag in room temperature. In a few weeks you'll see the first wave of parasite wasps emerging. Several other waves of parasites will follow and finally, a few months later, the flies will hatch. No special care is needed, just open the bags every now and let some fresh air in. Breeding insects doesn't get much easier than that Smile

Edited by Kahis on 24-07-2005 13:07
#4 Print Post
Posted on 23-07-2005 17:01

Location: Rotterdam, Netherlands
Posts: 120
Joined: 21.03.05

Although I am not immediately sure what to do with these flies! Wink

But interesting to hear about the parasites' parasites!

Does anyone know if these babes have a dutch name?
Grote klisboorvlieg springs to mind?
#5 Print Post
Posted on 24-07-2005 13:09
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Location: Helsinki, Finland
Posts: 1999
Joined: 02.09.04

Forget about the 'parasite parasites'. That was just my brainfart, I wasn't talking about hyperparasites.
Edited by Kahis on 24-07-2005 13:09
John Smit
#6 Print Post
Posted on 28-07-2005 13:18
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Location: Utrecht
Posts: 565
Joined: 05.10.04

It's absolutely a couple of Terellia tussilaginis.

Best wishes,

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