Identification of larvae and pupae

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10.07.2017 21:59, insectamo

Hello!
Please help with the definition.
Sawfly false burrs (possibly red pine) were removed from larch. For a photo shoot, they were transplanted to a spruce branch. Collection point: Parabel, Tomsk region. July.

Don't be offended, but to determine the larvae of sawflies, you need pictures with good sharpness and detail, because when determining, in addition to the general appearance, you often have to look at the shape, location and number of chitinous shields, spines, warts and even individual bristles on different parts of the body. It is clear that it is difficult to take into account in advance exactly which places to shoot, but in any case, at least first you need to see the number of false legs and the number of transverse folds on the abdominal segments. And, of course, all the features of color from all sides (from the side, from above, sometimes from below), including the head and anal segment.
As for this specimen, its general appearance does not resemble either the red pine (if Neodiprion sertifer is meant) or any other of the Diprionids. In addition, all Diprionidae have seven pairs of false legs and six transverse folds on the abdominal segments. According to the number of folds and false legs that can hardly be guessed, this specimen belongs to the family Tenthredinidae subfamily Nematinae. Further on, there are several types of forage plant. For some of them, the description of larvae is known, for some-not. Of those that are known, Pristiphora erichsonii is purely externally suitable.

I also ask you to identify a sawmill operator from the Tomsk region Parabelle. Found on cedar.

Here and further, apparently, cedar means Siberian pine.
Sem. Pamphiliidae, according to the shape of the supra-anal lobe and coniferous plant - Cephalciinae, then - two genera: Cephalcia and Acantholyda. I believe that Cephalcia sp. To the view-pass.

Please identify one more Parabelist sawyer. Found on cedar. There are spider nests there, so I assume Sawfly is one of the weavers. Thank you in advance.

Yes, like the previous one, from the weavers, PamphiliidaeCephalciinae. I will assume that Acantholyda sp.

If the larvae are on your hands, then you can try driving the last two yourself according to the Verzhutsky determinant in Siberia and the Far East. Perhaps some details will be more visible in person.

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