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Diptera.info » Identification queries » Other insects, spiders, etc.
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Ephemeridae mayfly?
Tony Towner
I found this Mayfly near my Moth trap on 10/05/08.

I have a small wildlife pond in the garden.

Is it Ephemera vulgata?
 
garden-critters.blogspot.com
ChrisR
Certainly Ephemera sp. but looks more like Ephemera lineata to me - the rarer of our 3 species Smile E.vulgata is on the wing now but the dark abdomenal markings are more like 'vampires teeth' than the thin pairs of lines on yours. Would be nice to see the abdomen clearer though.

BTW, Ephemera lineata and vulgata are species of slow-flowing muddy rivers, such as the Thames. But I get them in my garden way up in Tilehurst, a good few miles from the Thames, so they do fly a fair distance sometimes.
Edited by ChrisR on 26-05-2008 18:59
 
http://tachinidae.org.uk
kitenet
Not sure about this Chris - 10 May would be very early for E. lineata Shock. I've seen it in mid-late June once or twice but it doesn't really get going till July does it? I think the markings are okay for E. vulgata - if Tony could do us a close-up of the abdomen we could probably confirm it.

Martin

Martin Harvey
 
http://kitenet.co.uk/wp/
ChrisR
Maybe - it just looks a bit pale and the markings looked a bit thin to me ... but a closer look would solve the problem Smile Dates for things have been a bit mixed up this year.
 
http://tachinidae.org.uk
Tony Towner
Does this picture help?

Tony.
 
garden-critters.blogspot.com
kitenet
Well, it's not quite the text-book pattern for any of the three species, but I reckon it is closest to E. vulgata, see if Chris agrees!

Martin

Martin Harvey
 
http://kitenet.co.uk/wp/
ChrisR
Hang on a minute ... that insect is upside down isn't it (hind wing overlaps wrongly and I see legs uppermost)? If that is the underside then all bets are off - never really looked at underside patterns Sad If they are anything like the upperside then it's closest to vulgata but I think this one will have to remain Ephemera sp. Smile
 
http://tachinidae.org.uk
kitenet
Well-spotted Chris, I'd missed that completely! In which case I agree that we can't know the species. Perhaps it is possible to identify them from the underside but if so I don't know how!

Martin

Martin Harvey
 
http://kitenet.co.uk/wp/
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