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Diptera.info :: Identification queries :: Other insects, spiders, etc.
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Chrysolina americana - rosemary beetle
Paul Beuk
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Posted on 03-10-2006 21:35
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Location: Netherlands
Posts: 19328
Joined: 11.05.04

Sometimes you just stumble on something nice and conspicuous. This time, last Sunday, it was in my own front garden.
We have two rosemary bushes there. Rosemary is not indigenous to the Netherlands, so anything specializing on such a plant is potentially interesting. If you then find some beautiful chrysomelids on the plant, you collect a few and try to find out what they are. You end up with Chrysolina americana, the rosemary beetle. Five known localities in the Netherlands (http://home.zonne...m#CHLIAMER), with only one comfirmed breeding population (Tilburg). Conspicuously enough, my own city, Hoorn, had one recorded specimen, collected indoors. It is marked as 'doubtful, antropogeneous'. My records show that it might not have been en incident that it was recorded there earlier.

Here are two pictures I took today.
Paul Beuk attached the following image:


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Paul Beuk
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Posted on 03-10-2006 21:35
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Location: Netherlands
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Second one.
Paul Beuk attached the following image:


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Tony Irwin
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Posted on 03-10-2006 23:00
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Location: Norwich, England
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Very pretty. Highly destructive. They've been in Norfolk for about four years, and are common in Norwich, both on Rosmarius and Lavendula. Although called Chrysolina americana, I understand it is native to the Mediterranean area. Like the Asian Harlequin Ladybird, I think it's here to stay.
Tony
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Tony Irwin
 
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29.07.24 14:19
Don't suppose anyone knows anwhere selling a copy of Contributions to a Manual of Palaearctic Diptera 2? Always wanted a copy.... Smile

16.07.24 12:37
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11.07.24 13:59
Following up on the update provided by Paul on the donations received in 2024, I just made a donation. Follow my example Wink

17.08.23 16:23
Aneomochtherus

17.08.23 14:54
Tony, I HAD a blank in the file name. Sorry!

17.08.23 14:44
Tony, thanks! I tried it (see "Cylindromyia" Wink but don't see the image in the post.

17.08.23 12:37
pjt - just send the post and attached image. Do not preview thread, as this will lose the link to the image,

16.08.23 09:37
Tried to attach an image to a forum post. jpg, 32kB, 72dpi, no blanks, ... File name is correctly displayed, but when I click "Preview Thread" it just vanishes. Help!

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Has anyone used the Leica DM500, any comments.

27.12.22 22:10
Thanks, Jan Willem! Much appreciated. Grin

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