For the bugs experts

[Rocketfish]

Hey guys:
Do you know the name of this mayfly or some close to it?
I'll tell you then, where is it from.
Thanks in advance for the help.


R


DSC04363.jpg

[roygpa]

does it look like this one? if so, it's a March Brown, but I am no expert.

[NJTroutbum]

With the paler tails and what looks to be a fairly diminutive size.....I would say a March Brown. If the tails were darker & it appeared larger?...I would say an early Green Drake from Central PA area. :^)

[Steve Molcsan]

Calibatis would be my first thought.. Slow water , pond or possible a lake...

[Jayatwork]

I think the hind wings are too big for Callibaetis. (Checked Hafele & Hughes) So I vote for March Brown. The wings are a little dark though. Ameletus?

[Gigmaster]

No question. What you have is an adult male specimen of March Brown (Rhithrogena morrisoni). The main tell-tale is the mottled wings. Most of the other major species of mayfly have clear wings. And the gender can be determined as male by the large eyes, longer forelegs (used for grasping the female), and the clearly visible claspers/forceps/genitalia, at the distal end of the abdomen.

Nice picture. I wish I could figure out how to post pictures on the new board. I haven't had much luck with it.

[Quill gordon]

[QUOTE=Rocketfish;361303]Hey guys:
Do you know the name of this mayfly or some close to it?
I'll tell you then, where is it from.
Thanks in advance for the help.


R


Normally,
One tells us When, Where, and the Size of the insect! That would eliminate most of the GUESSING !
Nice photo though!

[Steven]

Most of the other major species of mayfly have clear wings.

I think you meant plain wings.

[Rocketfish]

Well guys, the mayfly if from Patagonia Argentina. Lago Traful exactly. A 20 miles long, deep, glacial lake. Home of landlocked atlantics, brookies, rainbows and browns.
I took the picture last week, during a calm and sunny mid-morning.
I think is very interesting to compare and study the different species of North and South Hemispheres. Just flyfisher curiosity!,
Some of you said "March Brown"...perhaps we also have one of those here and is not exactly as the American one.
However, the Norhern Hemisphere imitations as Adams, MB, Dark Cahills, together with some local creations, work well for the Southern trout.
Regards,
Rocketfish

[Gigmaster]

Oops. Yes, that is what I meant. In other words, non-mottled....

I think you meant plain wings.