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> > Ptilostomis?

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TajuNovember 15th, 2008, 12:46 pm
Hartola, Finland

Posts: 11
I guess that this is Ptilostomis, according to the web-pages. But what is the species name (ocellifera??)?

Jukka
GONZONovember 15th, 2008, 12:54 pm
Site Editor
"Bear Swamp," PA

Posts: 1681
Certainly looks like Ptilostomis, but I'm not sure I know how to distinguish the species. Wait for Dave on that score.
CrenoNovember 15th, 2008, 1:14 pm
Grants Pass, OR

Posts: 282
While the photo is not as good as the previous (the wing venation/coloration is not in focus) I don't believe it is ocellifera as as my specimens of ocellifera are generally paler and with less wing coloration than the other two likely species (postica and semifasciata). I would not feel comfortable using just size and color to separate these species. I think you need to take a good look at the private parts to be sure.

There is an excellent source for this family:

Wiggins, G.B. 1998. The caddisfly family Phryganeidae (Trichoptera. University of Toronto Press. 306pp.
GONZONovember 15th, 2008, 3:18 pm
Site Editor
"Bear Swamp," PA

Posts: 1681
Jukka,

Ethan Bright's website gives keys for Ptilostomis to the species level (based on the Wiggins reference that Creno mentions):

http://insects.ummz.lsa.umich.edu/~ethanbr/aim/Keys/Trichoptera/id_tom_phryganeidae_ptilostomis.html

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