Troutnut.com Fly Fishing for Trout Home
User Password
or register.
Scientific name search:

> > Callibaetis sp.

Millcreek has attached these 7 pictures to aid in identification. The message is below.
View Full SizeView Full Size (1.9X larger)
Female. Callibaetis sp. 7mm excluding cerci.
Female. Callibaetis sp. 7mm excluding cerci.
View Full SizeView Full Size (1.5X larger)
Female. Callibaetis sp. 7mm excluding cerci.
Female. Callibaetis sp. 7mm excluding cerci.
View Full SizeView Full Size (1.6X larger)
Female. Callibaetis sp. 7mm excluding cerci.
Female. Callibaetis sp. 7mm excluding cerci.
View Full SizeView Full Size (1.5X larger)
Female. Callibaetis sp. 7mm excluding cerci.
Female. Callibaetis sp. 7mm excluding cerci.
View Full SizeView Full Size (1.5X larger)
Male. Callibaetis sp. 6mm excluding cerci.
Male. Callibaetis sp. 6mm excluding cerci.

View Full SizeView Full Size (2.1X larger)
Males. Callibaetis sp. 6mm excluding cerci.
Males. Callibaetis sp. 6mm excluding cerci.
View Full SizeView Full Size (1.7X larger)
Female. Callibaetis sp. 7mm excluding cerci.
Female. Callibaetis sp. 7mm excluding cerci.
MillcreekApril 28th, 2015, 11:20 pm
Healdsburg, CA

Posts: 295
These are common in the Russian River. They're usually found in cutoff pools. The pools have stagnant water with large algal growths and temperatures are higher than the river itself.

They're probably Callibaetis pictus since the adults are common at the river right now.
"If we knew what it was we were doing, it would not be called research, would it?"
-Albert Einstein
PaulRobertsApril 29th, 2015, 7:29 pm
Colorado

Posts: 1753
Pretty critter. They look a bit like Siphlonurus. I wonder how closely related the two might be?
MillcreekApril 29th, 2015, 10:52 pm
Healdsburg, CA

Posts: 295
Probably pretty closely related. Callibaetis belongs in Baetidae while Siphlonurus belongs in Metretopodidae generally a limb below Baetidae on a tree of life. Can be seen in common names as well: Small Minnow Mayflys for Baetidae and Primitive Minnow Mayflys for Siphlonurus.

Easiest field ID is Siphlonurus has short antennae (about head length) while Callibaetis has long antennae (about 3 or 4 times length of head).
"If we knew what it was we were doing, it would not be called research, would it?"
-Albert Einstein
TaxonApril 30th, 2015, 12:42 am
Site Editor
Plano, TX

Posts: 1267
Hi Mark-

while Siphlonurus belongs in Metretopodidae

I believe Siphlonurus is in family Siphlonuridae, whereas Siphloplecton is in family Metretopodidae.
Roger Rohrbeck
www.FlyfishingEntomology.com
MillcreekApril 30th, 2015, 12:56 am
Healdsburg, CA

Posts: 295
Roger-

I believe Siphlonurus is in family Siphlonuridae, whereas Siphloplecton is in family Metretopodidae.


You're right, my mistake.
"If we knew what it was we were doing, it would not be called research, would it?"
-Albert Einstein
TaxonApril 30th, 2015, 1:59 am
Site Editor
Plano, TX

Posts: 1267
No problem, Mark. Many viewers would label me as a/r for even having mentioned it :-)
Roger Rohrbeck
www.FlyfishingEntomology.com
PaulRobertsApril 30th, 2015, 5:54 am
Colorado

Posts: 1753
Definitely mention/correct where needed, Roger. That's what makes this site so good.

Quick Reply

You have to be logged in to post on the forum. It's this easy:
Username:          Email:

Password:    Confirm Password:

I am at least 13 years old and agree to the rules.

Related Discussions

TitleRepliesLast Reply
Re: First wild montana cuttroat, CHEA!!
In the Photography Board by Jesse
17Mar 25, 2010
by Jesse
Re: How to catagorize 2 and 3 tailed mayflies?
In the Insect Order Ephemeroptera by Riverratben
13Jun 14, 2012
by Brookyman
Re: Nymph ID please
In the Identify This! Board by JOHNW
11May 13, 2012
by Entoman
Re: Siphloplecton?
In the Identify This! Board by DayTripper
4Jun 3, 2013
by Brookyman
Re: Unknown mayfly?
In the Identify This! Board by Braindead
4Aug 9, 2013
by Taxon
Re: Great Speckled Olive or Gray Drake
In the Identify This! Board by MItroutbum
6Jun 20, 2008
by GONZO
Re: Trico?
In General Discussion by Shawnny3
12Jun 20, 2012
by Shawnny3
Re: Midwest/Great Lakes hatch reports anyone?
In Male Leptophlebia cupida Mayfly Dun by Konchu
11Feb 26, 2008
by Taxon
Re: Gumaga sp.
(1 more)

In the Identify This! Board by Millcreek
4Feb 17, 2015
by Creno
Baetis alius
In the Identify This! Board by Millcreek
0
Most Recent Posts
Re: How do you guys time your hooksets?
In General Discussion by Partsman
Looking For Battenkill III Reel or Spool
In Gear Talk by Bellfly
Re: WI contingent
In General Discussion by Wiflyfisher (Logboy73 replied)
Re: What's everybody been up to?
In General Discussion by David82nd (Partsman replied)
Re: A Float Down the Manistee and a little extra...
In the Photography Board by Oldredbarn (Roguerat replied)
Second opinions on this one's ID?
In Male Rhithrogena morrisoni Mayfly Spinner by Troutnut
Site updates from June 22, 2017
In Site Updates by Troutnut
Re: Polymitarcyidae Question
In the Mayfly Species Ephoron album by Steamntrout (Crepuscular replied)
Re: Trout characteristics
In General Discussion by David82nd
Re: a recent foray into the land of dry flies and wild trout
In General Discussion by Crepuscular (JohnR replied)