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Wasp & Fly

If your interest is bees, dragonflies, beetles, ants or indeed any other type of insect chat about them, ask questions and share your images here.
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Paul
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Wasp & Fly

Post by Paul » 13 Jul 2013, 15:50

Today's queries-
I think the wasp is a mason wasp adynerus spinipes
& the fly is anthomyia procellaris.
Can someone confirm these please.
Paul
anthomyia.jpg
mason wasp.jpg

chrisjohnson
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Re: Wasp & Fly

Post by chrisjohnson » 14 Jul 2013, 07:48

Hi Paul

The mason wasp is Ancistrocerus scoticus. Adynerus spinipes is a southern species only just getting into southern Scotland and has yellow abdominal bands.

Chris

Paul
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Re: Wasp & Fly

Post by Paul » 14 Jul 2013, 09:15

Thanks for that Chris - I wasn't certain.

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MisterT
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Re: Wasp & Fly

Post by MisterT » 14 Jul 2013, 21:28

Interested to see the image of the wasp that Paul posted as I caught a wasp the same day that Bill identified as Ancistrocerus scoticus. There are differences between the 2 specimens as mine has no white/yellow on the face, no band around the neck and two less bands on the abdomen. I am guessing that this is a highly variable species.
Image

chrisjohnson
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Re: Wasp & Fly

Post by chrisjohnson » 15 Jul 2013, 09:36

They are variable and we have two very similar species here. Ancistrocerus scoticus and Ancistrocerus oviventris. One of the main identification features of Ancistrocerus oviventris is the clypeus is black. Paul's image isn't too clear but I take the yellow colour at the front to be the clypeus.

Chris

Bill
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Re: Wasp & Fly

Post by Bill » 15 Jul 2013, 20:51

It looks as if the leg colour is going to be useful on the separation of scoticus and oviventris, but the main guide I use came from Murdo Macdonald and is 3-4 bands scoticus 5-6 bands oviventris.
That is of course until someone finds a new one for the Outer Hebrides !
Cheers

Bill

Paul
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Re: Wasp & Fly

Post by Paul » 16 Jul 2013, 08:48

Does this mean mine is oviventris?
Paul

Bill
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Re: Wasp & Fly

Post by Bill » 17 Jul 2013, 09:09

Yes Paul, yours is oviventris.
In Natural Handbooks 3 Solitary wasps it has a slightly modified version of Murdo's definition "Light bands on dorsal plates 3 or 4 , a potion of a 5th sometimes present" for A.scoticus.
Sorry Chris !
Ian's is A. scoticus

chrisjohnson
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Re: Wasp & Fly

Post by chrisjohnson » 17 Jul 2013, 10:25

That's ok Bill, it means mine is also wrong on the website. I had obviously overlooked the relevant couplet in 'Naturalists' Handbooks 3 Solitary Wasps '.

Chris

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