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Identification of beetles (Coleoptera)

Community and Forum → Insects identification → Identification of beetles (Coleoptera)

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26.04.2009 9:37, Алексей Сажнев

IMG_1671.jpg – Staphylinus caesareus

it seems to be dimidiaticornis Gemminger, 1851 , since the temples are without yellow hairs, and the apical segments of the antennae are darkened.

26.04.2009 10:24, guest: stierlyz

Margarinotus purpurascens

Likes: 1

26.04.2009 11:11, guest: stierlyz

It is unlikely that dimidiaticornis is a rare and local species.

26.04.2009 14:34, Алексей Сажнев

The fact is that dimidiaticornis and caesareus can mix and if the species are not disassembled, then you can confuse them and take them for one-the latter is really more common, for example, even in our city, as in Ukraine I don't know, but in the list of staphylinids of Russia A. Shavrin, for the territory of Ukraine it is dimidiaticornis that is indicated. and there is no nominative caesareus, perhaps this is due to the fact that another subspecies lives there.

26.04.2009 15:00, sapalex

Still, Gentlemen, this is caesareus, because there are still hairs!

26.04.2009 15:00, John-ST

I do not know I have staphylin whiskey in yellow hairs and yellow hairs on top of my head, but the ends of the antennae are clearly darkened. So think dimidiaticornis or caesareus.

26.04.2009 15:11, sapalex

I have the same situation! And all that I met, for 2 weeks 20 pieces, the ends of the mustache are darkened!!! What this?

26.04.2009 15:14, Fornax13

The whiskers of dimidiaticornis are very clearly dark from the 6th member. In caesareus, too, they are often darkened, but not much. You also need to look at the dotted line of the prsp. (in the photo, judging by the gloss of the prsp., it is still caesareus), in dimidiaticornis it looks more matte. Well, if you are sure, then you can pull the genitals

As for the rarity, it is also not a fact: it seems that in the middle zone dimidiaticornis is more common.

This post was edited by Fornax13-26.04.2009 15: 15

Likes: 3

26.04.2009 16:37, Sungaya

What are these beetles, and what are their names, I apologize?
We flew to the light on April 25-26, 09. m. O.

This post was edited by Sungaya - 26.04.2009 16: 39

Pictures:
picture: 001.jpg

001.jpg — (138.41 k)

26.04.2009 17:30, Алексей Сажнев

and what are the dimensions of these comrades?

26.04.2009 19:08, sapalex

And mine, please. IMG_1662.jpg, IMG_1663.jpg -20,04,09 Kiev, on the road. Some kind of Colymbetes?

26.04.2009 19:33, John-ST

2 stierlyz

Margarinotus purpurascens

Thank You

26.04.2009 19:48, Fornax13

To Sungaya:
Genus Dytiscus, it is necessary to photograph the muzzle (for the yellow pattern) and the processes of the posterior basins.

To sapalex:
Something other than on Hydaticus seminiger is not enough imagination for anything.

Likes: 2

26.04.2009 19:56, Vabrus

Dytiscus, by appendages like circumcinctus.

Likes: 1

26.04.2009 22:44, NicoSander

Tell me, what kind of beetle? There were many of them in the tinder box on the birch tree. Vologda region.

Pictures:
picture: DSC08514.jpg

DSC08514.jpg — (124.69к)

picture: DSC08516.jpg

DSC08516.jpg — (97.37к)

26.04.2009 22:47, omar

Bolitophagus reticulatus

Likes: 1

26.04.2009 22:48, Алексей Сажнев

blackfin Bolitophagus reticulatus (Linnaeus, 1767)

Likes: 1

26.04.2009 23:27, Fornax13

The fact of the matter is that it was not possible to remove the already sprawling dead man, fished out of a butterfly trap, where he apparently flew. I didn't even see these beetles at night by the lamp. Others grazed on the ground, including ... M. ephratica
And here's another one. In this case, the abdomen protrudes 1 segment more from under the elytra. A different gender or species?
[attachmentid()=42156]

And more:
There were more than a dozen of them in the trap this morning. Length-8 mm
. [attachmentid ()=42157]

Oh, I found this bug after all:
Platytarus faminii (Dejean, 1826)

26.04.2009 23:47, BO.

Tell me what kind of bug it is. It's common, but it doesn't look good in the photo.
The size is 4-7mm. Astrakhan region.

Pictures:
picture: SG109144_web.jpg

SG109144_web.jpg — (96.57к)

27.04.2009 0:01, BO.

In the vineyard I met an unfamiliar ground beetle . 6-8mm
What kind of animal?

Pictures:
picture: SG109179web.jpg

SG109179web.jpg — (111.14к)

27.04.2009 0:14, omar

Lebia crux-minor

Likes: 1

27.04.2009 0:26, Fornax13

Tell me what kind of bug it is. It's common, but it doesn't look good in the photo.
The size is 4-7mm. Astrakhan region.

They are not only bad in the photo

, well, how often there are 10-15 species of almost identical mordellisten, I can guess...

If the photo is recent, then as an option-an abomination from the Mordellistena brevicauda group (one of the earliest mordellistenas).

Likes: 1

27.04.2009 1:00, sapalex

Guys, what kind of nutcracker is this? 25,04,09, Kiev, 11-12mm.

This post was edited by sapalex - 27.04.2009 01: 00

Pictures:
picture: IMG_1680.jpg

IMG_1680.jpg — (134.55к)

27.04.2009 1:13, Fornax13

Selatosomus gravidus (=latus) podi.

Likes: 1

27.04.2009 1:47, sapalex

Dear Fornax13, Can you tell me about this nutcracker?
IMG_1665.jpg -25,04,09 Kiev, park, on the nettle. 8мм Dalopius marginatus?
photo just above in the post

27.04.2009 16:54, Алексей Сажнев

SG109179web.jpg

a small correction, according to the latest code of zoological nomenclature, hyphens in specific epithets are not allowed, so cruxminor L., 1758 ))) we have a nominative subspecies

Likes: 1

27.04.2009 17:06, Ilia Ustiantcev

Help with ground beetles. The first two are Kislovodsk, 3 and 4-Ordzhonikidzevskaya, Rep. Karachay-Cherkessia. 5 found in the same place, dead in an anthill.
1. picture: DSC01541.JPG

27.04.2009 17:23, Fornax13

1 - имхо Carabus cumanus
2 - Harpalus ?rubripes
3 - Poecilus ?sericeus
4 - Pterostichus ?fornicatus
5-Zabrus spinipes or something...

Likes: 1

27.04.2009 17:24, Fornax13

Dear Fornax13, Can you tell me about this nutcracker?
IMG_1665.jpg -25,04,09 Kiev, park, on the nettle. 8мм Dalopius marginatus?
photo just above in the post

Yes, it is similar, in general... But I'm not very friendly with snappers...

This post was edited by Fornax13-04/27/2009 17: 25

Likes: 1

27.04.2009 18:30, akulich-sibiria

good evening. Help. All the beetles were found on a pine tree, stuck to the resin.
1. picture: PA150152_.jpg

5. was caught east of Krasnoyarsk. I think it's A. prodromus, but I might be wrong. tell me. The bristles on the shins are different, there are quite a lot of Hairs on the slope. There is a large misty spot on the elytra and light, rather wide stripes along the edges of the pronotum..
picture: PA150150_.jpg

This post was edited by akulich-sibiria - 04/27/2009 18: 31

27.04.2009 18:50, Fornax13

1 - Dromius schneideri (=marginellus)
2-as an option-Sericoda bogemanni. If so, it's a very rare beetle.
3 - didn't recognize it, something cute.
4 - Xantholinini - ?Nudobius
5-it looks like it, but I may be wrong...))

Likes: 1

27.04.2009 19:09, Алексей Сажнев

given the variability in the color of the nadurylia of this species most likely this is
Aphodius prodromus

here's another selection of photos based on it.:
http://micropics.org.uk/Scarabaeidae/Aphod...20prodromus.htm

27.04.2009 19:13, akulich-sibiria

1 - Dromius schneideri (=marginellus)
2-as an option-Sericoda bogemanni. If so, it's a very rare beetle.
3 - didn't recognize it, something cute.
4 - Xantholinini - ?Nudobius
5 - it looks like it, but I may be wrong... ))

Well, I will deal with 1 and 2 tomorrow, if I say anything more.
3. very small, less than 2 mm. quite in the mass there ponalipli.
5. here and I can be mistaken, the feeling that he has hairs on the pronotum, but it seems just something stuck. and still confuses the shield, it seems not quite triangular, and its edges are parallel at first. but I didn't find anything more similar.

28.04.2009 7:11, Guest

given the variability in the color of the nadurylia of this species most likely this is
Aphodius prodromus

here's another selection of photos based on it.:
http://micropics.org.uk/Scarabaeidae/Aphod...20prodromus.htm

(Akulych) thank you for the photo, it's really similar. It looks like they're on their way home now. We also managed to catch a few beetles from different places. Then I had a question about one of the Aphodia ... we were here with Fornax13 to find out the species. Can you help me with something??

28.04.2009 19:00, Ilia Ustiantcev

What kind of bug? Moscow, Leninsky Prospekt.
picture: DSC01880.JPG

28.04.2009 22:18, Alvin

What kind of bug? Moscow, Leninsky Prospekt.

Most likely it is Amara eurynota. The photo does not show the base of the scapular groove: if there is a bristle-bearing pore, then it is, if not, then Amara aenea

Likes: 1

29.04.2009 2:57, convexus

Bembidion
Gathering place-Khabarovsk Krai Verkhnebureinsky district
I assume that persimile, but what other options can there be?

Pictures:
picture: Bembidion_sp_.jpg

Bembidion_sp_.jpg — (90.85к)

30.04.2009 18:52, NicoSander

Tell me, please, what kind of swimmer? Vologda region April.

Pictures:
picture: DSC08529.jpg

DSC08529.jpg — (148.82к)

picture: DSC08524.jpg

DSC08524.jpg — (132.81к)

01.05.2009 5:10, Алексей Сажнев

I think some Ilybius

Likes: 1

01.05.2009 10:36, akulich-sibiria

1 - Dromius schneideri (=marginellus)
2-as an option-Sericoda bogemanni. If so, it's a very rare beetle.
3 - didn't recognize it, something cute.
4 - Xantholinini - ?Nudobius
5 - it looks like it, but I may be wrong... ))

about the first one, you were right, this is it!!
and on the 2nd, I went to Agonum (Agonodromius) qaudripunctatum...like it is.

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