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LufiAugust 30th, 2010, 9:08 am
Brazil

Posts: 9		sup guys, I´m new here used to live in Jersey for 11 years now i moved to Brazil and been fishing here and there.....

found this guys in a trout stream, i need IDs and a match for it, if possible... ;)

thanks all
obs cound post the pics... :(


http://i174.photobucket.com/albums/w103/lufcus/LAGES%20SC/P8220136.jpg


http://i174.photobucket.com/albums/w103/lufcus/LAGES%20SC/P8220119.jpg


http://i174.photobucket.com/albums/w103/lufcus/LAGES%20SC/P8220115.jpg


http://i174.photobucket.com/albums/w103/lufcus/LAGES%20SC/P8220113.jpg


http://i174.photobucket.com/albums/w103/lufcus/LAGES%20SC/P8220110.jpg



http://i174.photobucket.com/albums/w103/lufcus/LAGES%20SC/P8210087.jpg


http://i174.photobucket.com/albums/w103/lufcus/LAGES%20SC/P8210084.jpg



http://i174.photobucket.com/albums/w103/lufcus/LAGES%20SC/P8210083.jpg



http://i174.photobucket.com/albums/w103/lufcus/LAGES%20SC/P8210081.jpg


http://i174.photobucket.com/albums/w103/lufcus/LAGES%20SC/P8210080.jpg


http://i174.photobucket.com/albums/w103/lufcus/LAGES%20SC/P8210063.jpg


http://i174.photobucket.com/albums/w103/lufcus/LAGES%20SC/P8210062.jpg

http://i174.photobucket.com/albums/w103/lufcus/LAGES%20SC/P8210053.jpg


http://i174.photobucket.com/albums/w103/lufcus/LAGES%20SC/P8210049.jpg


http://i174.photobucket.com/albums/w103/lufcus/LAGES%20SC/P8210047.jpg


http://i174.photobucket.com/albums/w103/lufcus/LAGES%20SC/P8210044.jpg

TaxonAugust 30th, 2010, 1:43 pm
Site Editor
Plano, TX

Posts: 1343		Lufi-

Here is a preliminary identification of your photos:

sup guys, I´m new here used to live in Jersey for 11 years now i moved to Brazil and been fishing here and there.....

found this guys in a trout stream, i need IDs and a match for it, if possible... ;)

thanks all
obs cound post the pics... :(

Lacewing adult:


Caddisfly larva:


Stonefly nymph:


Stonefly nymph:


Giant water bug immature:


Mayfly spinner:


Mayfly spinner:


Mayfly spinner:


Mayfly spinner:


Mayfly spinner:


Mayfly dun:


Mayfly dun:


Crawler mayfly nymph


Stonefly nymph


Stonefly nymph


True fly adult:


Lloyd will likely identify some of them to a lower level for you.
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com
LufiAugust 30th, 2010, 2:10 pm
Brazil

Posts: 9		Thanks man!!!! ;) right on!!!


now lets wait for some replyes hehehe hope heheheh thank you
GONZOAugust 30th, 2010, 3:08 pm
Site Editor
"Bear Swamp," PA

Posts: 1681		Thanks for posting Lufi's pictures, Roger. Here are a few off-the-cuff guesses from someone who doesn't know his South American insects:

Photo #1--Looks like a green lacewing (Chrysopidae).

Photo #2--Possibly a free-living(?) caddisfly larva.

Photos #3+4--A stonefly nymph of unknown family/genus. (Looks like a perlid, but I can't find the thoracic gills that should be present even in SA genera like Anacroneuria, Enderleina, or Macrogynoplax.)

Photo #5--Looks like one of the aquatic Hemiptera, something similar to our giant water bugs or "toe-biters."

Photos #6+7+8--A male mayfly imago of unknown family/genus, probably the same species as the female subimago in photos #11+12.

Photos #9+10--A (probably female) mayfly imago, possibly a baetid.

Photos #11+12--A female mayfly subimago of unknown family/genus.

Photo #13--A mayfly nymph of unknown family/genus. (Looks somewhat like our Ephemerellidae, but I can't see any platelike gills along the abdomen.)

Photos #14+15--A stonefly nymph of unknown family/genus.

Photo #16--A (probably female) midge (Chironomidae).

Sorry for not adding much, Roger and Lufi, but that's about the best I can do.
CrenoAugust 30th, 2010, 3:49 pm
Grants Pass, OR

Posts: 305		For the caddis I wouldn't go with a free-living taxa. I would stick with Roger's hydropsychid suggestion. This larva looks like it has ventral, but not dorsal, gills; perhaps meso/meta thoracic sclerites; and the anal prolegs look too long for a hydrobiosid. But, I sure wouldn't bet a beer on it, and I am pretty easy about giving away beers. Did ya keep it, or do you have better pictures of it?
LufiAugust 30th, 2010, 3:49 pm
Brazil

Posts: 9		thanks Gonzo!!!


this place where I took these pics:

Trout was introduced during the 40s and now they are naturaly reproducing

it was end of winter, water was between 49 to 55 F they just spawned, no stream pressure ;) couldnt be better, we are trying to organise our grupe here to try to keep that place the way it is for many years to come ;)






CrenoAugust 30th, 2010, 3:50 pm
Grants Pass, OR

Posts: 305		For the caddis I wouldn't go with a free-living taxa. I would stick with Roger's hydropsychid suggestion. This larva looks like it has ventral, but not dorsal, gills; perhaps meso/meta thoracic sclerites; and the anal prolegs look too long for a hydrobiosid. But, I sure wouldn't bet a beer on it, and I am pretty easy about giving away beers. Did ya keep it, or do you have better pictures of it?
LufiAugust 30th, 2010, 3:51 pm
Brazil

Posts: 9		that was ir Creno :(
LufiAugust 30th, 2010, 3:53 pm
Brazil

Posts: 9		is that possible someone give me a list of good flies that I can use in this stream according to what I showed you guys? ;)
MartinlfAugust 31st, 2010, 5:13 am
Moderator
Palmyra PA

Posts: 3197		Underwater nymph standards should do well: Pheasant tails and hare's ears. On top, parachutes are good for mayflies if you have to limit the list. Smaller hackles are good for duns, and sparse longer hackles will work for spinners.
"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell
LufiAugust 31st, 2010, 10:58 am
Brazil

Posts: 9		Thanks Martin ;)
TaxonAugust 31st, 2010, 3:29 pm
Site Editor
Plano, TX

Posts: 1343		Lufi-

Had been intending to do this for quite some time. You might be interested in using the new S. American Mayfly Distribution Query which I just created.
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com
LufiAugust 31st, 2010, 4:51 pm
Brazil

Posts: 9		Wow!!! pretty good man, going over it now ;) right on!!!
CrenoAugust 31st, 2010, 7:34 pm
Grants Pass, OR

Posts: 305		Roger - you goin to try and enter the Neotropical caddis data as well? If so, please let us know when that site is up :)

Lufi - you responded to the hydropsychid/rhyacophilid comment with an "ir" - I am sorry I don't know know, but what is an "ir"?
TaxonAugust 31st, 2010, 8:31 pm
Site Editor
Plano, TX

Posts: 1343		Hi Dave-

Sure, if you can provide me with access to a digitized scientific paper which lists all the Neotropical caddisfly species by S. American country, I would be happy to do the same with it as I did with the mayflies.

However, the mayfly species were not key entered. Rather, the list was copied from the referenced (pdf) article, and pasted to an Excel spreadsheet in order to parse and collate the information, and was then loaded into a MySQL database in order to provide query access.

Key entering voluminous taxonomic information would not only be excessively tedious, but would also introduce error, particularly if done by "clumsy fingers" like mine.
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com
LufiSeptember 1st, 2010, 8:55 am
Brazil

Posts: 9		sorry Creno spell incorrectly


ir = it


I dont have better pics :(
CrenoSeptember 1st, 2010, 5:14 pm
Grants Pass, OR

Posts: 305		Roger - here is the reference but I am not aware of a digitized version yet.
Flint, O.S., Jr., Holzenthal, R.W., Harris, S.C. 1999. Catalog of the Neotropical Caddisflies (Trichoptera). Columbus, Ohio, Special Publication, Ohio Biological Survey.
dave
TaxonSeptember 1st, 2010, 5:29 pm
Site Editor
Plano, TX

Posts: 1343		Dave,

Please let me know if one should avail itself.
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com
TaxonSeptember 2nd, 2010, 11:40 am
Site Editor
Plano, TX

Posts: 1343		Lufi,

Photos #14+15--A stonefly nymph of unknown family/genus.


Family ID is Gripopterygidae. Just received confirmation from from Dr. Ed DeWalt.

Incidentally, Brazil is a rather large country. In which state were your photos taken?
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com
LufiSeptember 3rd, 2010, 4:31 am
Brazil

Posts: 9		http://en.wikipedia.org/wiki/Lages


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