Identification of Lepidoptera (Butterflies and Moths)

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20.10.2016 10:45, Alexandr Zhakov

Thank you. There were no fewer questions...
Then, is this also Adela croesella? A male? (taken in the same place at the same time)
And this one, too? Or is it Nemophora degeerella? Tver region, Torzhoksky district, der. Eremkino. 1.07.2012
These people have very long whiskers - four times longer than a butterfly.

To me, these are all Nemophora degeerella males. The whiskers of males of these genera are much longer than the wings.
Nemophora degeerella is the largest species of the Adelidae and is at least one and a half times larger than Adela croesella. The yellow transverse sash narrows in the center and is wider than the purple ones bordering it, and in Adela croesella the yellow sash without narrowing, slightly expands from the lower edge of the wing to the costal one and already has purple sashes.
Somewhere like this.

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21.10.2016 10:03, Ольга Титова

Purely visually, there is something in common, but this genus is not given for Sakhalin. I would generally take this picture for Alsophilloides, but again it is unknown for Sakhalin. The only option is to send the photo to E. A. Belyaev, preferably with a copy, so that there is something to cook.
In my opinion - the classic E. golda, and a dark variation of color.

Since I found pictures of Pterotocera, I compared them visually with folded wings. If you read the work of Dyakonov's Apricot moth, then the antennae do not seem to fit. What about Alsophilloides? By the way, it is not specified for Sakhalin and Pterotocera. Pyadenits was two of them, but one got away. I didn't think that such gray nondescript ones were so interesting.
I will try to contact the respected Belyaev, but a year ago he did not answer.
Thanks for the definition by E. golda. And yet you found the answer to your question, what is the difference from Erannis jacobsoni? A characteristic break in the line, steeper instead of smoother?