Diptera.info

Thread subject: Diptera.info :: Ephydridae - Ephydra riparia

Posted by Walther Gritsch on 12-10-2010 23:44

Hi

This Ephydra sp. was caught under the same conditions as the Hydrellia sp. Over dry seaweed at the sea close to Copenhagen. 12 X 2010.

Resemples closely I think the pic in the Gallery showing Ephydra riparia. Are there any alternative species to consider?

Body length some 5 mm.

Regards,

Edited by Walther Gritsch on 13-10-2010 13:27

Posted by Cranefly on 13-10-2010 05:49

Yes, there are many. Ephydra species are determined surely only by the structure of male genitalia. If you can look at the most apices of surstyli dorsally, not laterally as we see here, and if you see apex broaded and a little cut - then it is Ephydra riparia. B)

Posted by Walther Gritsch on 13-10-2010 13:25

Just like this I suppose B)

I'll label it as Ephydra riparia, male.

Thanks for the answer and also for the one regarding the Hydrellia sp. in the other thread!

Regards,

Posted by Cranefly on 14-10-2010 06:13

Yes, no doubt.:)