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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Report at a Glance
| General Region | Munster Ireland |
| Specific Location | Co.Limerick |
| Dates Fished | 22nd May |
| Time of Day | Noon |
| Fish Caught | Brown trout |
| Conditions & Hatches | Overcast with light rain on and off No hatches Dark colour on the water See fish swimming just under the surface |
Details and Discussion
Sla9104 on May 29, 2014May 29th, 2014, 5:51 pm EDT
Just want to share a pic of a nice 1lb 4oz Brownie out of a canal.
Tried everything in the box for a hour at some fish i could see swimming past and the followed alot but always turned away so i put on a size 10 longshank goldhead lure with a black maribu and flash tail, black perl fritz body and gold bead for the head.
after 4 or 5 casts and stripping the fly across this fishes mouth he finally decided to swallow it
Nice fight too
9ft 6 rod 6wt line
4lb flurocarbon leader
Tried everything in the box for a hour at some fish i could see swimming past and the followed alot but always turned away so i put on a size 10 longshank goldhead lure with a black maribu and flash tail, black perl fritz body and gold bead for the head.
after 4 or 5 casts and stripping the fly across this fishes mouth he finally decided to swallow it
Nice fight too
9ft 6 rod 6wt line
4lb flurocarbon leader
A trout is a moment of beauty known only to those who seek it." ~by Arnold Gingrich~
Jmd123 on May 29, 2014May 29th, 2014, 6:15 pm EDT
Well done, Chris! Nice looking fish too, a bit different from the brown trout we have here in North America, which I believe are primarily transplanted from Germany and Scotland. You folks on the "other side of the pond" have a much greater diversity of brown trout. Though, we make up for it out west with a wide variety of subspecies and races of cutthroat and rainbow trout. Keep showing us what you catch!
Jonathon
Jonathon
No matter how big the one you just caught is, there's always a bigger one out there somewhere...
PaulRoberts on May 30, 2014May 30th, 2014, 2:29 pm EDT
Nice! When they are cruising it can be tough to cover them. Getting them to chase, if they will, is a good idea. WTG!
Sla9104 on May 31, 2014May 31st, 2014, 6:09 am EDT
Iv been fly fishing other parts of europe but im set on fly fishing some of the ledgendary spots in the u.s.
Il upload some of the places im blessed to fish over here
They just seemed to be sunbathing that day paul and when they do that i always found it best to play on there instinct to just grab something passing rather then try match flys they wernt even bothered to take... seems to work for me :)
Il upload some of the places im blessed to fish over here
They just seemed to be sunbathing that day paul and when they do that i always found it best to play on there instinct to just grab something passing rather then try match flys they wernt even bothered to take... seems to work for me :)
A trout is a moment of beauty known only to those who seek it." ~by Arnold Gingrich~
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