Identification of beetles (Coleoptera)

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20.01.2010 17:48, akulich-sibiria

Evgeny, have you ever tried to identify your nutcrackers based on the first part of the third volume of the "Determinant of Insects of the Far East"? I have identified almost all the Irkutsk residents by this volume. Aren't you near Irkutsk?
But plantago also has two volumes of "SSSS Fauna" on nutcrackers in its library.

also an option, but Cherepanov describes everything in more detail than in the Far East, but not as complicated as in the fauna of the USSR. In addition, I did not find my black ampedus in the DV, I forgot the specific name. One of the largest of this genus is 15 mm, black in color.
and we are not far from Irkutsk, but here the matter is already in geography. Many Far Eastern species reach them, which we unfortunately do not have
. How are the andrens doing there?

This post was edited by akulich-sibiria - 20.01.2010 17: 49

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20.01.2010 18:10, vasiliy-feoktistov

after viewing this topic, I asked you a question about clickers and ampeduses in particular. BUT from above, I think they are all similar. True, for pomorum, the color of the elytra is given more brown. But as I understand it, this is all relative. And the color of other parts of the body is also variable...I can not understand the umbilical or non-umbilical points along the edge of the anterior spine. What other signs are worth looking at. I think a lot of things will become clear when my nutcrackers come from Svetlana Seredyuk

Well, according to ampedusam-I myself toil with them (mainly from the photo to determine and have to), here are some: http://www.zin.ru/Animalia/Coleoptera/rus/elate_sf.htm And I'll post pomorum soon (I found it in my cache). And spread the nutcrackers (although they are problematic)-we'll see.

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21.01.2010 6:38, akulich-sibiria

For akulich-sibiria
on dromius, the photo shows
Dromius angusticollis Sahlb. It is characterized by such a narrow prsp.
I wrote to you several times in a personal account, but there was no response, maybe the messages just didn't reach me.

not a single message was received...Strangely, there were never any problems with this.
About the beetle, I still have disagreements here. I identified bark beetle predators from Nikitsky, where this genus is quite well represented. My beetle has clear bristle-bearing pores on the 3rd gap, this is not indicated for angusticollis. On the pronotum there are very weak transverse wrinkles, it is difficult to count, but I think there are about 15 of them.I also thought it was on laeviceps/ I can certainly be mistaken

21.01.2010 18:41, akulich-sibiria

Indeed, in the DV determinant, this type is suitable, it will be necessary to understand why there are such inconsistencies, I will check it thoroughly tomorrow with binoculars.
1. I have another Dromius, which I think is D. quadraticollis 6 mm. There are big wrinkles on the forehead. Pronotum transverse. Bristle-bearing pores only on the 7th interval, on the 3rd there is only one on the top of the elytra. The color is dark brown, the edges of the elytra are lighter.
picture: Р7110140а.јрд

2. another question about Cassida leaf beetle 6 mm. On nadkrlyakh there are hardly noticeable protruding bristles. The seam has a noticeable edge. Everything seems to be suitable for vibex , but I'm not satisfied with the color of the elytra, can it be brown, not green??
picture: Р7110134а.јрд

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22.01.2010 22:04, SlavaT

Please help me identify two cruciferous fleas. All taken in the south of the Moscow region on June 21 and July 8, 2009. I think it's probably Phyllotreta armoraciae and Phyllotreta nigripes. But, most likely, I'm definitely wrong with the first one.

The first one is definitely not Psylliodes (if you don't believe it, count the segments of the antennae - the photo is excellent). This is a Longitarsus, very similar to a very common species, but to be 100% sure, you need to get an edeagus, this is a male, the edeagus is still there)
The second is the female Altica. A female, even with her genitals removed, is unlikely to be identified.
For a superficial definition of chrysomelids, I recommend the site of a Polish colleague, the address cannot be given, so search through Google for the author of the site and the family of leaf beetles (Borowiec Chrysomelidae). There are photos of 95% of the fauna of European Russia and neighboring countries.

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