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 is a striking caddis larva with an interesting color pattern on the head. Here are some characteristics I was able to see under the microscope, but could not easily expose for a picture:
- The prosternal horn is present.
- The mandible is clearly toothed, not formed into a uniform scraper blade.
- The seems to be only 2 major setae on the ventral edge of the hind femur.
- Chloride epithelia seem to be absent from the dorsal side of any abdominal segments.
Based on these characteristics and the ones more easily visible from the pictures, this seems to be Grammotaulius. The key's description of the case is spot-on: "Case cylindrical, made of longitudinally arranged sedge or similar leaves," as is the description of the markings on the head, "Dorsum of head light brownish yellow with numerous discrete, small, dark spots." The spot pattern on the head is a very good match to figure 19.312 of Merritt R.W., Cummins, K.W., and Berg, M.B. (2019). The species ID is based on Grammotaulius betteni being the only species of this genus known in Washington state.
- The prosternal horn is present.
- The mandible is clearly toothed, not formed into a uniform scraper blade.
- The seems to be only 2 major setae on the ventral edge of the hind femur.
- Chloride epithelia seem to be absent from the dorsal side of any abdominal segments.
Based on these characteristics and the ones more easily visible from the pictures, this seems to be Grammotaulius. The key's description of the case is spot-on: "Case cylindrical, made of longitudinally arranged sedge or similar leaves," as is the description of the markings on the head, "Dorsum of head light brownish yellow with numerous discrete, small, dark spots." The spot pattern on the head is a very good match to figure 19.312 of Merritt R.W., Cummins, K.W., and Berg, M.B. (2019). The species ID is based on Grammotaulius betteni being the only species of this genus known in Washington state.
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John888
Posts: 2
Posts: 2
John888 on Nov 7, 2015November 7th, 2015, 9:24 am EST
Hi
this is my first post here. Been a long time "lurker", but thought it was time to join in the fun and add to the excellent forums. I need a little advice from those that have already invested in a magnifying lamp.
Eyesight isn't what it used to be, so it's time to get a bit of help with the close ups :)
Are there any brands/features that I need to be looking out for when I get my wallet out? Would love to hear!
this is my first post here. Been a long time "lurker", but thought it was time to join in the fun and add to the excellent forums. I need a little advice from those that have already invested in a magnifying lamp.
Eyesight isn't what it used to be, so it's time to get a bit of help with the close ups :)
Are there any brands/features that I need to be looking out for when I get my wallet out? Would love to hear!
Roguerat on Nov 7, 2015November 7th, 2015, 10:58 am EST
John- welcome, and ditto on this being a most excellent forum, and fun!
This was one of the first tying accessories I acquired, a fluorescent magnifying lamp from Hobby Lobby. It took a while to get used to the change in depth perception (kind of freaky, at first) but I wouldn't do without it now. Myopia is not that cool...I have enough trouble squinting at sz 20 flies and 6x tippet as it is!
I also use an additional task light set at 90-degrees to the magnifier, no shadows behind my fingers then.
anyway, the magnifier ran about $ 50 or $ 60 some years ago, well worth it.
Roguerat
'Less is more...'
Ludwig Mies Vande Rohe
This was one of the first tying accessories I acquired, a fluorescent magnifying lamp from Hobby Lobby. It took a while to get used to the change in depth perception (kind of freaky, at first) but I wouldn't do without it now. Myopia is not that cool...I have enough trouble squinting at sz 20 flies and 6x tippet as it is!
I also use an additional task light set at 90-degrees to the magnifier, no shadows behind my fingers then.
anyway, the magnifier ran about $ 50 or $ 60 some years ago, well worth it.
Roguerat
'Less is more...'
Ludwig Mies Vande Rohe
RleeP on Nov 8, 2015November 8th, 2015, 3:24 am EST
I'm cheap and usually buy the lowest price thing that is functional and reliable. Given that, I have been tying with the low end Cabela's magnifier lamp ever since my eyes got to the point where I needed the help (about 12 yeas ago..). Its usually $29.95, but I see it is currently on sale for $19.95. It works with a clamp, so your tying area/table has to be able to accommodate that. It uses a 60 watt incandescent bulb and the bulb space is too tight for a CFL. However, the lower actual wattage halogen incandescent substitutes fit and work fine.
I've been pretty happy with the lamp. But like I say, I'm cheap. Worth a look, anyway...
Here's the url: http://www.cabelas.com/product/clamp-on-magnifying-lamp/1439363.uts?Ntk=AllProducts&searchPath=%2Fcatalog%2Fsearch.cmd%3Fform_state%3DsearchForm%26N%3D0%26fsch%3Dtrue%26Ntk%3DAllProducts%26Ntt%3Dmagnifier%252Blamp%26x%3D10%26y%3D6%26WTz_l%3DHeader%253BSearch-All%252BProducts&Ntt=magnifier+lamp
I've been pretty happy with the lamp. But like I say, I'm cheap. Worth a look, anyway...
Here's the url: http://www.cabelas.com/product/clamp-on-magnifying-lamp/1439363.uts?Ntk=AllProducts&searchPath=%2Fcatalog%2Fsearch.cmd%3Fform_state%3DsearchForm%26N%3D0%26fsch%3Dtrue%26Ntk%3DAllProducts%26Ntt%3Dmagnifier%252Blamp%26x%3D10%26y%3D6%26WTz_l%3DHeader%253BSearch-All%252BProducts&Ntt=magnifier+lamp
Roguerat on Nov 8, 2015November 8th, 2015, 5:06 am EST
Lee-
I need to check this one out, since the color-rendering ability of the ring-fluorescent I've got is questionable...the Reveal line of incandescent bulbs is engineered to be as close to natural light as possible and would (should) work in the fixture you've noted. Thanks for the tip,
Roguerat
I need to check this one out, since the color-rendering ability of the ring-fluorescent I've got is questionable...the Reveal line of incandescent bulbs is engineered to be as close to natural light as possible and would (should) work in the fixture you've noted. Thanks for the tip,
Roguerat
John888
Posts: 2
Posts: 2
John888 on Nov 8, 2015November 8th, 2015, 10:58 am EST
Thanks for the answers, guys!
Turns out that there's all kinds of things to consider when buying lighted magnification. I got confused and had to do some research on the different types. This blogpost on selecting a good fly tying lamp was helpful.
I am going to get one with a fluorscent bulb. It's going to need a clamp base, too.
Turns out that there's all kinds of things to consider when buying lighted magnification. I got confused and had to do some research on the different types. This blogpost on selecting a good fly tying lamp was helpful.
I am going to get one with a fluorscent bulb. It's going to need a clamp base, too.
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