Peter Allen's picture

Dipteran

Observed: 3rd September 2012 By: Peter Allen
British Dragonfly Society
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Dipteran
IMG_7961
IMG_7963
Description:

Having looked at the individual on Node 295583 I think this may well be the same species. It was photographed in grassland on Small Scabious.

Identifications
Species interactions

No interactions present.

Comments

Martin Harvey's picture

Conops

You just beat me to it ophrys! Amazing how similar Conops and Leopoldius are, but this is Conops for the reasons you give.

For anyone who's interested, there is an online key to conopid flies at:
http://home.hccnet.nl/mp.van.veen/conopidae/ConGenera.html

Conopids are mostly parasitoids of bees and wasps.

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Entomologist and biological recorder

jeremyr's picture

Conops

is it too yellow for C. flavipes then? And the shimmer stripe, is it that light vertical mark in pic 3?

cheers, Jeremy

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ophrys's picture

Conops

Yes, the shimmer stripe is the silvery line between the front and mid legs, on the side of the thorax. flavipes does not have those stripes, and also has yellow on each side of the frons.

Ian
_________________

My Flickr photos...

http://www.flickr.com/photos/52163027@N02/

Martin Harvey's picture

flavipes

In my experience flavipes has significantly more black on the abdomen, and should also have some yellow on the scutellum (the hindmost segment of the thorax). Conopids can be quite variable in colour though, so ideally a range of features should be checked, e.g. face markings, leg markings and the shape of the abdomen.

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Entomologist and biological recorder

ophrys's picture

flavipes

The striking feature of flavipes is the yellow legs with extensive black rings on all six femora...that's what usually hits you first.

It's quite different to quadrifasciatus and ceriaeformis, really (but not dissimilar to c.strigatus).

Ian
_________________

My Flickr photos...

http://www.flickr.com/photos/52163027@N02/

Peter Allen's picture

Thanks

Thanks for the information, Ian. As you can see, Diptera are not my strong point.....

Hampshire Dragonfly recorder
Hampshire & IOW Wildlfe Trust

jeremyr's picture

coronatus

for anyone whose interested here's a nice-looking Spanish conopid I found today in the foreign section of my 'other ispot' (joined when iSpot kept crashing and then got drawn in as they have a 'two-winged' section)

http://www.fugleognatur.dk/forum/show_message.asp?MessageID=837191&Forum...

Update: A bit less irrelevant than at first thought. David Clements, who is currently working on a new key to European Leopoldius, says the fly at this link is most likely L. coronatus, the very one we're meant to be looking out for as it may turn up here.

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