Blue-winged Olives
Baetis
Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.
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This one seems to tentatively key to Holocentropus, although I can't make out the anal spines in Couplet 7 of the Key to Genera of Polycentropodidae Larvae nor the dark bands in Couplet 4 of the Key to Genera of Polycentropodidae Larvae, making me wonder if I went wrong somewhere in keying it out. I don't see where that could have happened, though. It might also be that it's a very immature larva and doesn't possess all the identifying characteristics in the key yet. If Holocentropus is correct, then Holocentropus flavus and Holocentropus interruptus are the two likely possibilities based on range, but I was not able to find a description of their larvae.
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Konchu on May 2, 2009May 2nd, 2009, 6:40 am EDT
I just saw a "hatch" of termites, and many were "riding" on the stream after they got trapped there.
These come out in incredibly large numbers and look alot like a stonefly with a black body and clear, silvery wings that usually wind up stuck out to the sides by the surface tension of the water.
Here is a pattern from Australia:
http://www.gvffc.com/Information/Fly%20Patterns/fly%2028%20termite.htm
These come out in incredibly large numbers and look alot like a stonefly with a black body and clear, silvery wings that usually wind up stuck out to the sides by the surface tension of the water.
Here is a pattern from Australia:
http://www.gvffc.com/Information/Fly%20Patterns/fly%2028%20termite.htm
Troutnut on May 2, 2009May 2nd, 2009, 12:58 pm EDT
Very cool. Do they look a lot like flying ants? Maybe some of the flying ant hatches we all love so much have actually been termites... or is this really rare?
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist
Troutnut and salmonid ecologist
LittleJ on May 2, 2009May 2nd, 2009, 3:18 pm EDT
I could be wrong but I thought termites only swarmed in the spring. This is coming from a pest control guy that was treating my neighbors house... so the scientific background may not be there.
Konchu on May 3, 2009May 3rd, 2009, 6:40 am EDT
It's mostly a springtime thing for the termites in my experience. I checked an old entomology textbook to confirm this, but it only said "certain times of year," which isn't all that helpful.
The numbers with the termites can be pretty amazing and usually exceed what I've seen with ants. In contrast to termites, the ants have pinched waists, forewings that are longer than the hindwings and elbowed antennae.
My guess is that termites are a bigger event in some areas than the ants.
The numbers with the termites can be pretty amazing and usually exceed what I've seen with ants. In contrast to termites, the ants have pinched waists, forewings that are longer than the hindwings and elbowed antennae.
My guess is that termites are a bigger event in some areas than the ants.
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