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ID support charts and taxonomic notes


With this module you can view and search our ID support charts made by our kerbtier.de admin team. Search criteria include the sientific species name and fragments thereof as well as the creation date. Hits can be sorted in alphabetic or systematic order (default). Furthermore we collect taxonomic notes and advice here, in case our team makes general changes to the way we ID certain species.


Search charts and notes matching of the below criteria (≤3):
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Available charts: 11   


 2020-06-01 (CB, v2.0, 1 page) 6  
 Limodromus assimilis
 Limodromus longiventris
 2020-06-01 (CB, v2.0, 1 page) 3  
 Cantharis obscura
 Cantharis paradoxa
 2020-07-23 (CB, v1.0, 1 page) 2  
 Drilus concolor
 Drilus flavescens
 2020-06-01 (CB, v2.0, 1 page) 4  
 Hemicrepidius hirtus
 Hemicrepidius niger
 2020-06-01 (CB, v2.0, 1 page) 4  
 Byturus ochraceus
 Byturus tomentosus
 2020-06-01 (CB, v2.0, 1 page) 5  
 Coccinella septempunctata
 Coccinella magnifica
 2020-06-01 (CB, v2.0, 1 page) 3  
 Uloma culinaris
 Uloma rufa
 2020-06-01 (CB, v2.0, 2 pages) 4  
 Trichius fasciatus
 Trichius sexualis
 2020-06-01 (CB, v2.0, 1 page) 5  
 Caenorhinus pauxillus
 Caenorhinus germanicus
 Caenorhinus aeneovirens
 Caenorhinus interpunctatus
 2020-06-01 (CB, v2.0, 1 page) 6  
 Byctiscus betulae
 Byctiscus populi
 2020-06-14 (GM, v2.1, 3 pages) 5  
 Phyllobius roboretanus
 Phyllobius virideaeris

Available taxonomic notes: 2


Distinguishing the Paederus species2020-05-09 / HH

I would like to draw your attention to the fact that the ID of Paederus species needs to be done with care. There is P. littoralis (common, rather in dry habitats), P. berevipennis (rare, only in dry habitats, e.g. calcareous grassland) and P. schoenherri (only in southern Bavarian and in moist habitats). These species can be recognized by their short elytra and can be identified from photos. The other species are considerably more challenging: P. riparius is the most common and the largest species with almost entirely light-colored legs. However, since a few years there are records of P. balcanicus from ST and BR and I assume that this species is distributed more widely. They can be distinguished by the shape of the head. Finally, the last three species live in moist habitats, among them P. fuscipes (common, long elytra), P. limniphilus (rare) and P. caligatus (rare). The latter two have more or less entirely dark tibiae, whereas P. fuscipes has only slightly darkened tibiae. Hence, good photos are required, with a good dorsal view and the legs visible. Together with a measured body length, the species can be determined to species level.

Genus: Paederus (Family Staphylinidae)
Species: littoralis, brevipennis, schoenherri, riparius, balcanicus, fuscipes, limnophilus, caligatus
7 

On the Oedemera lurida complex2020-07-23 / CB

I should like to point out, that since this spring we have stopped to determine O. virescens and the species from the O. lurida complex to species level with very few exceptions. The largest of these species, O. virescens, is 8-11 mm large and very common in our fauna. The males exhibit thickened hind thighs. Slightly smaller (7.3-9.3 mm) is O. monticola. Their males have thickened hind thighs as well. This species is found in the low mountain range and is missing in the lowlands. Even smaller (5-7 mm, exceptionally larger specimens might reach 9 mm) is O. lurida. In this species, males have no thickened hind thighs. It is common in our fauna. The last species from this complex, O. viridula, can not be distinguished from O. lurida from live photos. Its taxonomic status is still not fully clarified. Details on the identification can be found here.

Genus: Oedemera (Family Oedemeridae)
Species: lurida, monticola, viridula, virescens
2 


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