Is it Megalodontes or Pamphilidae? How to distinguish them by larvae? The larva was collected in the Crimea, in solitary wasp cell (thus it is impossible to rear an imago).
Ask Jan Macek from the National Museum, dept. of Entomology, Prague, Czech Republic.
Libor
Best thing you can do is try to contact Dave R. Smith, he always is happy to see any sawfly you have.
This is a pamphiliid larva. There are keys but not in my memory this moment. Surf Internet or consult with, say, Определитель насекомых европейской части СССР т.3, ч. 6. If you have no, I may emal you a digital copy
Hola!.You may contact Dr. David Smith, who specializes in family thentredinidae and works in the Smithsonian Museum.
Thank you very much. If it is pamphiliid larva I will search alive larvae on trees near the wasp nests, there was a single tree species, Prunus armeniaca, there, thus it will be easy to find them and to rear an imago.
Sorry, Alexander, don' take my words about Pamphiliidae too seriously: I don't know diagnostic charactgers of megalodontesid larvae. Please check this possibility as well
Well, I will search next summer on Haplophyllum and Apiaceae as well. Thank you again.
If the larva is saw fly, in the picture you should see the number of espuripedios.
Good luck
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