Identification of beetles (Coleoptera)

Not exactly. It's an indicator of running water, and that's not the same thing...

Duc, I already specified that:

Yes, it is clear that we are not talking about the fact that water should (and can) be drunk from the river where maculatus lives. In fact, I personally wouldn't even drink from the tank I was keeping it in, even if I knew what kind of water I'd put in it. Indicator of "clean" water-does not mean that it is potable. It is probably correct to say that this beetle is an inhabitant of meso-and oligotrophic reservoirs. Yes, and he is a rheophile.

What kind of bronze is this? There are no spots. Color-dark copper. Vologda region, Kaduysky district, Pakino village, 22.05.2010

In my opinion, this is such a Protaetia (Potosia) cuprea metallica

In my opinion, this is such a Protaetia (Potosia) cuprea metallica

Does anyone have an article where Protaetia metallica is "made" a subspecies of cuprea?

I want to ask: What is this kravchik (L=17mm.)
I can only say that it is from Kazakhstan (the label is almost unreadable).
P.S. Managed to read: Taldy-Kurgan 11.05.1991

This post was edited by vasiliy-feoktistov - 04.06.2010 14: 22

Pictures:

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1.jpg — (63.57к)


2.jpg — (45.29 k)

I'm afraid that this is a female, and this complicates the definition ))

Please tell me, is it hollbergi=glaucus or turbatus? And in general, is it possible to distinguish them reliably?

Ukraine, Luhansk region, 2009

Is it Melolontha melolontha or Melolontha hippocastani?

NP " Chavash Varmane "(Rep. Chuvashia), 31.05.2010

Pictures:

DSC03652.jpg — (90.08к)

This is Melolontha hippocastani

This post was edited by Mantispid-04.06.2010 18: 21

I'm afraid that this is a female, and this complicates the definition ))

And the options? Any ideas?"

Try Semenov-Tian-Shansky and Medvedev, 1935, or Nikolayev, 2003

This post was edited by Alexey Sazhnev - 04.06.2010 18: 30

I can say that this is a female)
Possibly Neocoenorhinidius pauxillus Germ.

somehow the size does not seem to fit Neocoenorhinidius pauxillus like no more than 3 mm, and this one without a trunk 4,5

Can you tell me what kind of leaf beetles they are and where they can live? I couldn't find out the place and time of the collection, the fees are not mine, they are marked only with numbers, it looks like Eumolpinae. Body length approx 4 mm

Can you tell me what kind of leaf beetles they are and where they can live? I couldn't find out the place and time of the collection, the fees are not mine, they are marked only with numbers, it looks like Eumolpinae. The body length is about 4 mm.

Pachnephorus sp., sort of.

This is almost certainly Macrocoma. They are widely distributed, so it's hard to say.

Isn't that Haplorhynchites pubescens Fabricius?"

it looks like a green exit. But I was confused by the phrase - in the shoots of an oak tree, where we have an oak tree in Siberia, and also on rocky slopes. There were only birch and pine trees nearby. Thank You

Help me figure out Epaphius!

We are interested in the differences between the species Epaphius rivularis and E. secalis.
And more. In the Isaev determinant, it is said that E. secalis has no hind wings... is this categorical or not?

I gathered Epaphius here in the Rostov region the other day and photographed it as best I could:

Well, for my taste - Trechus quadristriatus. He is winged just. But Epaphius looks different. Sekalis had never seen a winged one.

This post was edited by Fornax13-05.06.2010 10: 56

Dorytomus sp.
On Populus nigra (sedge), length 5.5 mm, like samets

Well, for my taste - Trechus quadristriatus. He is winged just. But Epaphius looks different. Sekalis had never seen a winged one.

Thanks!
It's probably really him.

Can you tell me how and where to catch Epaphius?

What kind of bronze is this? There are no spots. Color-dark copper. Vologda region, Kaduysky district, Pakino village, 22.05.2010

Does she have any white spots on her knees?

  
Can you tell me how and where to catch Epaphius?

Representatives of the genus Trechus (Epaphius) live preferably in the litter. For fishing, the sifter is indispensable.

Thanks!
It's probably really him.

Can you tell me how and where to catch Epaphius?

Epaphius forest, although I in Ukraine in the garden collected serially in damp places just under shelters.

I just took another copy, where it was possible to clearly see the discal pores of the nadcr. So, there is a vertex (3rd pore), like in Epaphius – "located almost equidistant from the top. and seam" (A. Y. Isaev, 2002). But the wings are developed.

Is this Chrysanthia? viridissima???. plz. Novosibirsk, 2.06.10

Pictures:

к1.јрд — (114.28 k)

Justus
It looks like it's Oedemera virescens

This post was edited by Evgenich - 05.06.2010 19: 42

This is almost certainly Macrocoma. They are widely distributed, so it's hard to say.

As I understand it, animals from this genus are not found in Russia and in the nearest adjacent territories, since they are not listed in the Benkovsky A. O. determinant?

it looks like a green exit. But I was confused by the phrase - in the shoots of an oak tree, where we have an oak tree in Siberia, and also on rocky slopes. There were only birch and pine trees nearby. Thanks

pubescens develops on Thalictrum (for example, in Dieckmann, 1974:38.40), so it can be found on the soil and in mowing on grass.

As I understand it, animals from this genus are not found in Russia and in the nearest adjacent territories, since they are not listed in the Benkovsky A. O. determinant?

According to Fauna Europaea, it turns out:
Genus Macrocoma Chapuis 1874

Bulgaria
Present

Canary Is.
Present

Crete
Incl. small adjacent islands like Gavdhos. Note that Andikithira I. although being closer to Kriti than to mainland, belongs to a mainland province
Present

Cyprus
Present

Dodecanese Is.
Incl. Alimnia, Arkoi, Astipalaia, Avgonisi, Ankathonisi, Farmakonisi, Ioinianisia, Kalimnos, Kalolimnos, Kandeliousa, Karpathos, Kasos, Khalki, Khamili, Kinaros, Kos, Leros, Levitha, Lipsoi, Meyisti, Nisiros, Ofidousa, Patmos, Rodhos, Saria, Simi, Sirina, Tilos, Tria Nisia, Yiali and other smaller islands
Present

Greek mainland
Incl. Andikithira I., Evvia I., Ionian Is., Samothraki I., Northern Sporades Is., Thasos I.
Present

North Aegean Is.
Incl. Andipsara, Ayios Evstratios, Fournoi, Ikaria, Khios, Lesvos, Limnos, Oinousa, Psara, Samos, Skopelos Kaloyeroi and other smaller islands
Present

Romania
Present

Selvagens Is.
Present

Spanish mainland
Incl. Alboran I.
Present

Worldwide
Genus Macrocoma Chapuis 1874

Afro-tropical region
Doubtful

East Palaearctic
East of the border line here defined
No data

Near East
Asian Turkey, Caucasian Russian republics, Georgia, Armenia, Azerbaidjan, Lebanon, Syria, Israel, Jordan, Sinai Peninsula (Egypt), Arabian peninsula, Iran, Iraq
Present


North Africa
Not including Sinai Peninsula
Present

From other regions they don't have data

what kind of barbel is this?

Pictures:

16.JPG — (50.5к)

and this help to determine

Pictures:

17.JPG — (185.38к)

Kharkiv region
03.06.2010
on milkweed

Pictures:

CRW_8005.jpg — (229.2к)

and this help to determine

Agapanthia villosoviridescens (De Geer, 1775)

what kind of barbel is this?

Alosterna tabacicolor (De Geer, 1775) I would say.
Alexey, please do not forget to specify the shooting location and date (this is important!!!)

This post was edited by vasiliy-feoktistov - 06.06.2010 09: 02

Kharkiv region
03.06.2010
on milkweed

Phytoecia sp. (I don't know how to look at it).

Phytoecia sp. (I don't know how to look at it).

I think so, but I can't find something... The size of Phytoecia nigricornis, but the color is certainly not the same.

my thoughts on barbels: like all males

Alosterna tabacicolor tabacicolor (De Geer, 1775)
Agapanthia (Agapanthiella) villosoviridescens (De Geer, 1775)
Oberea (Amaurostoma) erythrocephala erythrocephala (Schrank, 1776)

This post was edited by Alexey Sazhnev - 06.06.2010 09: 28

I think so, but I can't find something... The size of Phytoecia nigricornis, but the color is certainly not the same.

Not nigricornis, that's for sure (it looks completely different). Can someone tell me?

my thoughts on barbels: like all males

Alosterna tabacicolor tabacicolor (De Geer, 1775)
Agapanthia (Agapanthiella) villosoviridescens (De Geer, 1775)
Oberea (Amaurostoma) erythrocephala erythrocephala (Schrank, 1776)

Oberea came out after all-maybe (I was confused by the coloring for Oberea) Oh, my God!!!