Thanks Thanks:  1
Likes Likes:  9
Results 1 to 10 of 10

Thread: Heptagenia?

  1. #1

    Default Heptagenia?

    Hello folks. I found this spinner and was wondering if it is the genus heptagenia. Iím sure itís from the family heptageniidae. Itís body is about 13mm long. I found it by a wastewater plant about 1km from a large slow river. Location is Edmonton Alberta Canada.
    Thank you.94EF5074-5F04-4A8A-AFF9-6EFE15C1834A.jpg

  2. Likes Ard liked this post
  3. #2
    Join Date
    Oct 2007
    Location
    Wasilla / Skwentna, Alaska
    Posts
    18,770
    Blog Entries
    142

    Default Re: Heptagenia?

    No help from me but I'll bump the bug for others to see, come on Mayfly experts

    Anywhere can be the land of great expectations, broken dreams, or paradise found, it's all up to you.


    Ard's Forum blog, Alaska Outdoors

  4. #3
    Join Date
    Mar 2008
    Location
    Pinedale, WY
    Posts
    20,652
    Blog Entries
    50

    Default Re: Heptagenia?

    I'm not a bug expert either, but looking on TroutNut it sure looks like a Hex:
    Female Hexagenia limbata (Hex) Mayfly Spinner Pictures
    Larry


  5. Likes Ard liked this post
  6. #4
    Join Date
    Oct 2013
    Location
    Northwest New Jersey, NE Pennsylvania
    Posts
    542

    Default Re: Heptagenia?

    It may be the other "Green Drake" ... Litobrancha Recuvata that hatches much later than Ephemera Guttalata. Its sometimes referred to as the " Dark Green Drake". Just my guess from looking at the pic. A picture of the dun would be easier to identify. The spinner pictured might be too small for a Recurvata Drake which is Usually a size 12. My other guess would be one of the Cahill type mayflies (Heptagenia).
    Last edited by falcon53; 08-28-2018 at 03:07 AM.

  7. Likes Ard liked this post
  8. #5
    Join Date
    Nov 2016
    Location
    Hudsonville, Michigan
    Posts
    2,243
    Blog Entries
    22

    Default Re: Heptagenia?

    Looks like a smaller version of these:



    They were out last week while I was Smallmouth fishing. These are easily 30 mm in length. I'm pretty sure they are Hexagenia limbata or Giant Michigan Mayfly.

    Denny

  9. Likes Ard liked this post
  10. #6

    Default Re: Heptagenia?

    Thanks for all the responses everyone.

  11. Likes Ard liked this post
  12. #7

    Default Re: Heptagenia?

    Two tails, wings at a 45* angle, light barring in the wings... Looks like a Stenacron (sp?) to me.

    Then again, most things do.

    Maybe something from the Light Cahill (common name) family.
    "Joe"

    "We fish for pleasure; I for mine, you for yours." -James Leisenring

  13. Likes Ard liked this post
  14. #8
    Join Date
    May 2017
    Location
    Central Maryland
    Posts
    278

    Default Re: Heptagenia?

    Quote Originally Posted by stenacron View Post
    Two tails, wings at a 45* angle, light barring in the wings... Looks like a Stenacron (sp?) to me.

    Then again, most things do.

    Maybe something from the Light Cahill (common name) family.
    No stripes on the forelegs is a point against this.

  15. Likes stenacron, Ard liked this post
  16. #9

    Default Re: Heptagenia?

    Quote Originally Posted by redietz View Post

    No stripes on the forelegs is a point against this.
    Good eye Redietz, and I agree. I was purposefully vague in my answer as there are 122 species of mayflies listed for Alberta… I’m guessing that less than 1/3 of which are available to – or of interest to – trout and anglers. If there’s a chance this insect emerged from a warmwater river then all bets are off as my knowledge of insects reaches only to those available to trout and worth imitating for anglers.

    Back in PA I used to fish the Delaware River quite a bit during the summer (warmwater river) and there were all kinds of mayflies hatching that I couldn’t ID. Easy to place them in a general category – Stenacron, Isonychia, etc. – but almost impossible to nail down exactly as most angler’s entomology references stick strictly to coldwater insects.
    "Joe"

    "We fish for pleasure; I for mine, you for yours." -James Leisenring

  17. Likes Ard liked this post
  18. #10
    Join Date
    Oct 2007
    Location
    Wasilla / Skwentna, Alaska
    Posts
    18,770
    Blog Entries
    142

    Default Re: Heptagenia?

    You guys are Great!

    I had a very local knowledge when I lived and fished in Northcentral Pennsylvania but don't venture into these topics at this time. I was thinking of some members specifically when I bumped the thread and you didn't disappoint.

    This is just another example of what makes this the best forum going!

    Thank you

    Anywhere can be the land of great expectations, broken dreams, or paradise found, it's all up to you.


    Ard's Forum blog, Alaska Outdoors

  19. Thanks stenacron thanked for this post

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Do Not Sell My Personal Information