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Identification of beetles (Coleoptera)

Community and ForumInsects identificationIdentification of beetles (Coleoptera)

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21.09.2020 19:16, Fornax13

Is it possible to define Histeridae before a species?
Georgia, Tbilisi neighborhood, 13. IX. 2020, in a cow cake.

So probably a female Pachylister? Big one, right?

21.09.2020 19:20, Jaguar paw

Elizar, I'll do it tomorrow.

Fornax13, yes, about 8 mm without jaws. Very similar indeed!

This post was edited by Jaguar paw - 09/21/2020 19: 20

21.09.2020 19:31, Dmitry Vlasov

So probably a female Pachylister? Big one, right?

No rather Hister sp. Pachylister doesn't have 5 and 6 pin grooves, but this one has...
I had some idea who it might be. But let's wait for the photo below

This post was edited by Elizar - 09/21/2020 19: 47

21.09.2020 20:58, Fornax13

No rather Hister sp. Pachylister doesn't have 5 and 6 pin grooves, but this one has...
I had some idea who it might be. But let's wait for the photo below

Labrum confuses me here. Does Hister have one? https://www.galerie-insecte.org/galerie/view.php?ref=193462

21.09.2020 21:15, Dmitry Vlasov

Labrum confuses me here. Does Hister have one? https://www.galerie-insecte.org/galerie/view.php?ref=193462

According to Kryzhanovsky 1976, in the table of the genus Hister, we fall into the group with "hairy" epipleurs of the pronotum. In this group there is a pair of "Central Asian" species H. semenovi, H. turanus, found in the Caucasus with a labrum having a protrusion on the leading edge. I don't have any beetles of these species, and I don't have any photos on the Internet either shuffle.gif
I'm waiting for the photo below to determine the XY of HU

21.09.2020 21:43, Fornax13

In Pachylister, the back edge of the prsp is still slightly protruding in front of the shield, in Hister, the back edge should be evenly rounded. A rudimentary 5th and 6th grooves, apparently, sometimes still occur.: https://www.galerie-insecte.org/galerie/ref-189541.htm

21.09.2020 23:57, chebur

I continue to sort out my yesterday's fees.
Is this Bembidion (Peryphus) tetracolum (Say, 1823)?
Moscow, Southern Administrative District, Troparevsky Forest Park, mixed forest with a predominance of oak and birch, the bed of a forest stream, under a rotten branch overgrown with moss and embedded in mud, 20.9.20
Length - 6 mm.
picture: 1.jpg
picture: 2.jpg

22.09.2020 3:25, Fornax13

I continue to sort out my yesterday's fees.
Is this Bembidion (Peryphus) tetracolum (Say, 1823)?
Moscow, Southern Administrative District, Troparevsky Forest Park, mixed forest with a predominance of oak and birch, the bed of a forest stream, under a rotten branch overgrown with moss and embedded in mud, 20.9.20
Length - 6 mm.

and not a fact-the thighs of this beetle are suspiciously darkened.

22.09.2020 18:50, Jaguar paw

According to Kryzhanovsky 1976, in the table of the genus Hister, we fall into the group with "hairy" epipleurs of the pronotum. In this group there is a pair of "Central Asian" species H. semenovi, H. turanus, found in the Caucasus with a labrum having a protrusion on the leading edge. I don't have any beetles of these species, and I don't have any photos on the Internet either shuffle.gif
I'm waiting for the photo below to decide XY from XY

Promised photo from below
user posted image
Likes: 1

22.09.2020 20:22, Dmitry Vlasov

Promised photo from below

Having compared the Hister species available to me and the only male Pachylister, I think that Fornax13 is right - this is a small (Kryzhanovsky has a smaller size from 7.5 mm, BUT he measured from the anterior edge of the pronotum to the top of the elytra) aberrant (with complete 4th and fragments of 5 and 6 dorsal grooves) female Pachylister inaequalis.
Likes: 1

22.09.2020 21:00, Jaguar paw

Having compared the Hister species available to me and the only male Pachylister, I think that Fornax13 is right - this is a small (Kryzhanovsky has a smaller size from 7.5 mm, BUT he measured from the anterior edge of the pronotum to the top of the elytra) aberrant (with a complete 4th and fragments of 5 and 6 dorsal grooves) female Pachylister inaequalis.

Thank you. Are there any indications of previous finds of this species in the Caucasus/Transcaucasia/Georgia? In the yandex. Metrica catalog.Zhukov did not find Georgia among the countries listed for the species.

This post was edited by Jaguar paw - 22.09.2020 21: 00

22.09.2020 22:12, Dmitry Vlasov

Thank you. Are there any indications of previous finds of this species in the Caucasus/Transcaucasia/Georgia? In the yandex. Metrica catalog.Zhukov did not find Georgia among the countries listed for the species.

From the Caucasus-marked for Adygea, for Transcaucasia after the release of the catalog there is such work with additions, but there are no indications of the type.
https://www.researchgate.net/publication/32...teridae_of_Arme
Likes: 1

23.09.2020 7:16, maik

Help with beetles all RSO-A Tsey N-1790m under the rocks on the bank of the stream 18.8.2020
1. L-8.3 mm
picture: 1______8.3___.JPG
picture: 1..JPG
2. L - 7.2 mm
picture: 2____7.2___.JPG
3. L - 4.8 mm
picture: 3_____4.8___.JPG
4. L - 2.5 mm
picture: 4____2.5___.JPG
5. L - 6mm
picture: 5______6___.JPG
6. L - 8.8 mm
picture: 6_____8.8___.JPG

24.09.2020 21:26, Anton Kozyrev

Saratov, May.
Galerucella lineola?
user posted image

25.09.2020 7:45, AGG

Saratov, May.
Galerucella lineola?


yes.gif

This post was edited by AGG-25.09.2020 07: 45
Likes: 1

25.09.2020 19:55, akulich-sibiria

good evening, help with the beetle on such photos, at least to the end.
I think it's from the Malachiidae or whatever they're called now.
just under 4 mm. All dark, without light spots, elytra with a metallic sheen. No matter how hard I tried, it turns out 10 segments of the mustache, from the bottom it seems that the second segment is hidden in the first.. One of the segments of the front legs with an outgrowth on top. On the forehead is a rather high median keel.
picture: DSCN2318_.JPG
picture: DSCN2319_.JPG
picture: DSCN2320_.JPG
picture: DSCN2321_.JPG

picture: DSCN2323_.JPG

26.09.2020 0:48, Fornax13

good evening, help with the beetle on such photos, at least to the end.
I think it's from the Malachiidae or whatever they're called now.
just under 4 mm. All dark, without light spots, elytra with a metallic sheen. No matter how hard I tried, it turns out 10 segments of the mustache, from the bottom it seems that the second segment is hidden in the first.. One of the segments of the front legs with an outgrowth on top. On the forehead is a rather high median keel.

Troglocollops is probably obscuricornis, but it's better to look here: https://www.researchgate.net/publication/28...1-80_Figs_1-118

This post was edited by Fornax13-26.09.2020 00: 53
Likes: 1

26.09.2020 17:47, akulich-sibiria

Troglocollops is probably obscuricornis, but it's better to look here: https://www.researchgate.net/publication/28...1-80_Figs_1-118



Yes, Alexey, it was he who turned out. )) In the DV determinant, it is slightly under a different name, but something I blunted all the same with the output to rod.

26.09.2020 22:51, NakaRB

Help with the definition, plz...
All - Moscow, Bitsevsky Forest Park


1. 29.05.2018
user posted image

2. 31.03.2019
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user posted image

3. 24.04.2019
user posted image
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4. 24.04.2019
user posted image
user posted image

5. 26.04.2019
user posted image

6. 27.04.2019
user posted image

7. 27.04.2019, Peltis ferruginea?
user posted image

8. 05.05.2019, Orsodacne cerasi?
user posted image

9. 05.05.2019
user posted image
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10. 09.05.2019
user posted image
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27.09.2020 7:12, Dmitry Vlasov

Help with the definition, plz...
All - Moscow, Bitsevsky Forest Park

2. Aphodius rectus
5 Omosita ?japonica
7. yes.gif
8. yes.gif
9. Trypophloeus sp.
Likes: 1

27.09.2020 21:08, NakaRB

All - D. New items-Begichevo, Serpukhov district, Moscow region.

11. 09.05.2019
user posted image

12. 09.05.2019
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13. 09.05.2019
user posted image
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14. 09.05.2019
user posted image
user posted image

15. 10.05.2019, Actenicerus siaelandicus?
user posted image

16. 10.05.2019
user posted image

17. 10.05.2019, Nedyus quadrimaculatus?
user posted image
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18. 10.05.2019
user posted image
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19. 10.05.2019, Nedyus quadrimaculatus?
user posted image
user posted image

28.09.2020 11:45, AGG

Help with the definition, plz...
All - Moscow, Bitsevsky Forest Park

6-Phyllotreta atra
Likes: 1

28.09.2020 11:56, AGG

All - D. New items-Begichevo, Serpukhov district, Moscow region.

11-Hyperaspis reppensis
Likes: 1

28.09.2020 14:42, botanque

All - D. New items-Begichevo, Serpukhov district, Moscow region.

16 - Contacyphon padi. And under number 1 too, it seems to be.
Likes: 1

28.09.2020 19:52, Fornax13

1-I think it's probably C. coarctatus. Are there any other angles?
5-by the way yes, japonica
10-Olibrus almost certainly bicolor
12-Coeliodinus rubicundus
15-yes
17-well yes
19 - Parethelcus pollinarius
Likes: 1

28.09.2020 22:14, Anton Kozyrev

Saratov, May.
Oedemera virescens?
user posted image

28.09.2020 22:19, NakaRB

1-I think it's probably C. coarctatus. Are there any other angles?

No, unfortunately not...

28.09.2020 22:33, NakaRB

Moscow, Bitsevsky Forest Park


20. 15.05.2019
user posted image

21. 20.05.2019, apartment
user posted image

22. 19.05.2019, Byturus ochraceus?
user posted image

23. 24.05.2019, apartment
user posted image

24. 25.05.2019
user posted image

25. 26.05.2019
user posted image

26. 29.05.2019
user posted image

27. 29.05.2019
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28. 29.05.2019
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29. 29.05.2019
user posted image

The last three are such strange Orsodacne cerasi?

28.09.2020 23:35, AGG

Moscow, Bitsevsky forest
Park 20. 15.05.2019



20-Oulema most likely gallaeciana
22- yes.gif
24-Adalia bitunctata
25-Meligethes sp
26-Allosterna tabacicolor The last
three are so strange Orsodacne cerasi? - yes.gif
Likes: 1

29.09.2020 0:13, Fornax13

No, unfortunately not...

On number 19, number 17 was riding on top as a male, so I doubted it smile.gif

oh how ) well, why not, especially since they live on the same plant.

29.09.2020 22:38, NakaRB

30, 31 - Moscow, Bitsevsky forest
park The rest-D. New items-Begichevo, Serpukhov district, Moscow region.


30. 29.05.2019
user posted image
user posted image

31. 31.05.2019
user posted image

32. 02.06.2019
user posted image

33. 03.06.2019, Phosphuga atrata?
user posted image

34. 03.06.2019
user posted image

35. 04.06.2019
user posted image

36. 03.06.2019, Cionus scrophulariae?
user posted image
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37. 05.06.2019
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38. 05.06.2019
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39. 06.06.2019, Mecinus pascuorum?
user posted image
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29.09.2020 22:57, chebur

I ask for help in identifying these beetles collected in a soil trap in the south of the Moscow region (a settled dry slope in the valley of the Polosnya River, in the vicinity of the village of Lishnyagi and Serebryannye Prudy) in August-September 1-3.
Two females (1 and 2) and a male (3) Carabus (Tachypus) cancellatus ?
picture: 1_3.jpg

4. some big dead-eater. you can't get to the view...
picture: 4.jpg

5. Cymindis angularis ?
picture: 5__1__Cymindis_angularis.jpg
picture: 5__2__Cymindis_angularis.jpg

6. some kind of ground elephant
picture: 3_6.jpg
in the photo, beetles from the third to the sixth for scale

7. Some Scydmaenidae sp.?
Although, probably, it's a finger in the sky...
Length-4 mm
picture: 7__2_Scydmaenidae_sp.jpg
picture: 7__1_Scydmaenidae_sp.jpg

This post was edited by chebur - 29.09.2020 22: 59

29.09.2020 23:06, Fornax13

4-Silpha carinata
5-yes, it seems to be
6-well, this is ahrenet-is it not Stephanocleonus microgrammus? % ) Take a photo in the best resolution plz
7 - Cryptophagus
Likes: 1

29.09.2020 23:09, Mantispid

Yes, and the truth is Stephanocleonus microgrammus. Extremely ahrenet of course)))
Likes: 1

29.09.2020 23:19, chebur

picture: 6__1_.jpg
picture: 6.jpg
picture: 6__2_.jpg

29.09.2020 23:26, Fornax13

well, yes, no doubts at all-congratulations, a new genus for MO.
Likes: 1

29.09.2020 23:30, chebur

Yes, and the truth is Stephanocleonus microgrammus. Extremely ahrenet of course)))

I looked up the range of this species on your site. It is specified there only for the very south of the European part of Russia (Rostov region, Stavropol Territory, Lower Volga region). It turns out that this find greatly expands the known range to the north?

29.09.2020 23:40, Fornax13

I looked up the range of this species on your site. It is specified there only for the very south of the European part of Russia (Rostov region, Stavropol Territory, Lower Volga region). It turns out that this find greatly expands the known range to the north?

Yes, it was before https://www.zin.ru/animalia/coleoptera/pdf/...ruchin_2010.pdf
Likes: 1

30.09.2020 0:42, AGG

I didn't think it was anything supernatural, but I have this bug, too. Ilya saw him a few years ago.

30.09.2020 0:48, AGG

I ask for help in identifying these beetles collected in a soil trap in the south of the Moscow region (a settled dry slope in the valley of the Polosnya River, in the vicinity of the village of Lishnyagi and Serebryannye Prudy) in August-September 1-3.
Two females (1 and 2) and a male (3) Carabus (Tachypus) cancellatus ?
picture: 1_3.jpg

Nikolai, look at the front legs, you have 3 males)
1,2-Carabus cancellatus
3-looks like Carabus granulatus. Look, in 1i2 the first member of the antennae is red, and in No. 3 it is black. If so ,then # 3 is granulatus. It is also flattened, compared to the pre-siatus.
Likes: 1

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