dan_wrench's picture

Mayfly / Alder fly type thing?

Observed: 28th May 2010 By: dan_wrench
Natural Shropshire - Biodiversity Partnership
dan_wrench’s reputation in Invertebratesdan_wrench’s reputation in Invertebratesdan_wrench’s reputation in Invertebrates

Found by River Severn

Species interactions

No interactions present.


dan_wrench's picture

Thanks for the ID. Is it

Thanks for the ID. Is it possible to separate Mystacides azurea from M.nigra from a photo?

Dan Wrench
Biodiversity Officer - Shropshire

Bluedun's picture

azurea v nigra

It may sound silly but my primary understanding of the difference is in the name. The azurea has a blue sheen and blue markings whereas the nigra is predominately black. If for example you had only submitted your second photo IMG3546 I would have listed only as Leptoceridae - mystacidesdes and left it at that, but the superior detail that you've shown of the forewing on IMG3547 is quite definitive.
Body length would aid ID also - azurea I think are larger.

I am of course willing to be completely wrong about this...perhaps Matt can confirm ?

Ian Wallace's picture

Basically I agree but do

Basically I agree but do beware of worn specimens e.g. from a moth trap or bottom of a sweep net. It is genitalia examination then alas may be required, which will be easy once Peter Barnard and Emma Ross have published their Royal Ent. Soc. Key!

Ian Wallace, UK Trichoptera Recording Scheme

Bluedun's picture

Aha ! - More info found

Hi Dan - Further help given previously by Kitenet. Ref banding on legs
Use ispot search for observation titled "moth with fungi?"
Hope this helps.

Martin Harvey's picture


Hi Andy, as you say this looks like Mystacides azurea, would you like to add that as an identification so we can agree with it?

Entomologist and biological recorder

Bluedun's picture


Thanks for further confirmation Martin -
Much appreciated, and thanks again to Dan for providing the wonderful photos.