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Found today in in the river forelands river Rhine Netherlands. Hybotidae > Oedalea spec?

Gr Dick

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2

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Absolutely an Oedalea, I think a O. tibialis, though I often feel very uncertain when dealing with this genus. Like Bicellaria not so easy. I need a bigger collection in order to get much more acquainted with this kind of genera.

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I do not think tibialis, but without my key at hand I cannot say which species. The tip of the hind femur is also darkened and the fore and mid legs are partly brownish.

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Here in the office I have no access to the literature. I remember yesterday that I hesitated because the 3rd segment of the antennae looks so long, yet.....
When I get Oedaleas I practically always have to compare them with the specimens in my collection. And even then I am often not 100% sure.
Maybe not a bad idea to have my Oedalea collection checked by somebody, who is working on revisions or so. I have a quite a collection now.

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I have two specimen. I will save one for you both. Thanks.

Gr Dick

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Ruud, I'd be happy to look at your Oealea collections. The Dutch ones are mostly quite straightforward, going to central and southern Europe it gets more tricky, I admit.

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I have to admit that I also have Hungarian material, Swedish etc etc

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Scandinavia should be well-covered by Chvála's Fauna Ent. Scand. key...

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Based on the genitalia and most of its general appearance it is Oedalea flavipes. The aberrant part is the hind metatarsus which should be pale at the base , rather than completely dark.

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Thanks Paul!

Gr Dick

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Paul, I received an Oedalea specimen from Dick. It is a beautiful O. hybotina. The markings on the wing are very obvious. The fly on the photo is another specimen; the fly here has the apical half of the hind femur blackish.

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Ruud this is the O. hybotina you receved. It was allready dead, so I only made one photo.

Gr Dick

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yep. Very typical are the 2 spots on the wings.