Identification of beetles (Coleoptera)

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28.02.2009 23:45, Fornax13

bronzovka2.jpg - Oxythyrea funesta
dolgonosik1.jpg - Strophosoma ? capitatum
dolgonosik3.jpg -Tatyanaerhynchites aequatus like
dolgonosik4.jpg -Hylobius, what - I don't get it (we arrived...)
dolgonosik6.jpg - Cryptorhynchus lapathi
dolgonosik7.jpg и dolgonosik8.jpg - Byctiscus ? betulae (not very clear)
frachnik2.jpg and frachnik3.jpg -Lixus iridis (like both sexes even)
usach11.jpg - Oedemera virescens
. zlatka1.jpg - maybe Buprestis rustica
too. korovka1.jpg -Harmonia quadripunctata
hilokorus1.jpg -Chilocorus renipustulatus
korovka7.jpg -Hippodamia (Semiadalia) notata (korovka12.jpg " I think so, too)
korovka10.jpg - Calvia quatuordecimguttata
korovka11.jpg - ?Adalia bipunctata what is this....
korovka14.jpg и korovka15.jpg - Propylea quatuordecimpunctata

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01.03.2009 18:43, akulich-sibiria

As for that gold coin, it was caught indoors, which I don't think is the best place to collect

it .As I understand it, it's still a male. Well, at least on the last stubble of the abdomen there is a notch...it seems that for a male this is typical
Here are a couple more from the same opera. 1. 6 mm were caught near a willow tree, on the bank of the Yenisei River, in Krasnoyarsk.

Dirty green color. The keels on the sides of the pronotum are close together, do not connect. The lower keel disappears before the base, does not reach the rear edge. The forehead is broad with parallel edges.There are noticeable lateral indentations. Strokes on the crown of the head around the circumference, not clear. There are no obvious depressions on the pronotum.The keels on the pronotum are obvious, slightly curved. short.
I'm leaning towards Agrilus betuleti or alternatively A. subauratus
picture: P8170112_.jpg

2. 6.5 mm. There are no keels on the sides of the pronotum, small bare elevations.
The ends of the elytra are serrated. The top is two-tone. The elytra are greenish-blue, the head and pronotum are bronze. The forehead is broad, without indentations. The keels on the sides of the pronotum are very close, but do not touch.
There is a variant of A. cuprescens (chrysoderes)
picture: P8170116_.jpg

Prompt

01.03.2009 19:22, akulich-sibiria

A couple more questions about aphodia.
1. do you have any doubts about A. caspius or A. circumcinctus ??
about 7 mm. There are 3 bumps on the forehead. Top of the abdomen with hairs. The apical spur of the front tibia is curved inwards. On the sides of the pronotum are red spots that do not reach the anterior and posterior edges. On the elytra, a misty spot on the base of the pronotum is completely bordered. Posterior corners of pronotum without notch, rounded. The 8th groove is short and does not reach the shoulders. corners
picture: P8170122_.jpg

2. I go to Aphodius comma. about 4 mm. The pattern is weakly expressed on yellow-brown elytra. The base of the pronotum is completely bordered. Posterior corners of pronotum without notch.
picture: P8180126_.jpg

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03.03.2009 15:27, Guest

To Sergius! Yes, this is Mantichora sp. It is impossible to determine the species ' identity, especially from such a picture. Please note: this beetle has nothing to do with Lucanidae (hornbills), as your photo says. The African genus Mantichora belongs to the fam. Cicindelidae( racehorses), all representatives of which are predators, as eloquently evidenced by powerful jaws, are the most powerful in mantichores and not only in their family, but among beetles in general.(in antlers, these are just" horns " and are not used in hunting, since these beetles are herbivorous, and disputes about the purpose of these outgrowths are still being conducted). The genus Mantichora in the family of racehorses stands apart, beetles of this genus actively run, jump, and even more so do not know how to fly. I would even say that the genus occupies a prosezhutnoe position between horses and ground beetles. Mantichores do not have wings, the elytra are fused or semi-fused and they do not need to be spread out.