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> > My setae style chart,Kurt ,Luke.

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BrookymanDecember 18th, 2012, 12:16 am
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Posts: 797
Sorry for the confusion.

These are my painting of setae type..

for the serata nymph I was referring to that manual because the figures have these type of setae which are seemingly very common on many genus and species.

I some time get a head of myself the styles on that nymph are.

[ PS small paddle ] [ AS acute setae ] [ SS scale type ]

Sorry again for confusion I cross reference any manual that contains
anatomical descriptions by the form of illustration if it has value in
helping me figure these guy's out.

Mack.
Banned for threatening another user and then trying to circumvent a kinder "soft" ban with fake accounts
EntomanDecember 18th, 2012, 12:36 am
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Northern CA & ID

Posts: 2604
Very nice.
"It's not that I find fishing so important, it's just that I find all other endeavors of Man equally unimportant... And not nearly as much fun!" Robert Traver, Anatomy of a Fisherman
BrookymanDecember 18th, 2012, 1:11 am
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Posts: 797
Thanks Kurt I have a second one that is just the 4 major styles of pictinated setae combs. I started a secret study on the maxillae of Stenacron species and its not for stirring any pots it just for my curiosity.

I am logging some very interesting numbers a data. I am not sure of any past study of maxillary setae so I started one. As you Know I have billions of Stenacon to sample from in Ontario and I do intend on rearing 100's of Stenacron nymphs this spring. Notice on the chart Feather setae ???

On the maxillae of all Heptageniidae species they all have a submedial row of setae in them .

What I noticed is say I am looking at Maccaffertium and there are 25-35 setae on a specie in is submedial row. 10 of them in the posterior end of the row are plain setae and the rest are feather style..Every species I am looking at has the exact amount of normal setae in the submedial row and it is constant in every sample for every species and every specie has a different amount. I don't know if it will mean anything in the end but I am enjoying counting and logging the results. I even printed up a maxillia & mandible study note book just for this. Because with out accurate records any study is useless..LOL.


Mack



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EntomanDecember 18th, 2012, 4:43 pm
Site Editor
Northern CA & ID

Posts: 2604
Have you done one of spines? Many can look similar to setae, but they lack a cuticular joint and are actually outgrowths of the cuticula, similar to nodules and tubercles. Some look as the name implies, others look like tiny hairs. It can be confusing because some of these character names have their metaphors mixed, depending on the authors use of terms. Tiny spines are often referred to as "fixed hairs" and large spiky setae are often referred to as "spines" or "spine-like setae." "Spurs" would be assumed to be spines by the sound of the word but are actually setae. This explains why they are so easily knocked off, messing with many a caddis determination.:)
"It's not that I find fishing so important, it's just that I find all other endeavors of Man equally unimportant... And not nearly as much fun!" Robert Traver, Anatomy of a Fisherman
BrookymanDecember 18th, 2012, 5:14 pm
Banned
Posts: 797
Hi Kurt I did make one on the maxillae spines of the Heptageniidae species
group. As find more styles I will continue to make charts. When I noticed that the maxillae of Maccaffertium sp had what I call feather setae in the submedial row it really got me looking closer at them.

I will load the other chart as pictinated spines of Heptageniidae.


Mack.
Banned for threatening another user and then trying to circumvent a kinder "soft" ban with fake accounts

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