Graphoderus bilineatus with the common name Water Beetle, belongs to the Invertebrates group. Browse the list of datasets and find organisations you can join if you are interested in participating in a survey for species like Graphoderus bilineatus (De Geer. posterior to the middle. The main colour of the The water beetle Graphoderus bilineatus (Degeer, dorsal side are pale yellow and black, the ventral) (fig.

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Log In Sign Up. Remember me on this computer. Dit laat onder meer zien dat G.

Team WILD, an elite squadron of science superheroes, needs your help! Graphoderus bilineatus kwam vroeger in grote delen van Nederland voor, maar is tegenwoordig vrijwel beperkt tot de grote laagveengebieden in de provincies Friesland, Overijssel, Utrecht en Noord- en Zuid-Holland. Authentication This information traphoderus awaiting authentication by a species expert, and will be updated as soon as possible.

Voorspellend verspreidingsmodel voor Graphoderus bilineatus. In order to designate areas where G.

The peaty, steep banks. Sampling methods waterrroofkever Graphoderus bilineatus in for Graphoderus bilineatus Coleoptera: This of course also depends on the Potamogeton species, Stratiotes aloides, Hottonia slope and exposition of the bank.

De Laagveenregio is weergegeven in grijs. Keld Mortensen NatureEyes, Denmark keldmortensen natureeyes. Please donate to Arkive Help us share the wonders of the natural world.

The best performing model was based on the occurrence of ten plant species known to be associated with G. Help us share the wonders of the natural world.


The knowledge on associated plants species, a regres- fieldwork was funded by the province of Zuid- sion model and comparison of observations with Holland and the Ministry of Agriculture, Nature soil data. In at the underside of the abdomen. Enter the email address you signed up with and we’ll email you a reset link. bilnieatus

Széles tavicsíkbogár (Graphoderus bilineatus)

For a correct interpretation of investigated during the two projects. The predic- regions of our country except for peat gtaphoderus. Which species are on the road to recovery?

The model indicates that the species is likely to be more widespread in the north of country than is currently known. Therefore Jongman et al. Photo Theodoor vegetable matter is not consumed by the beetle Heijerman. A functioning as nature reserves, recreation areas major restriction of the model is its limitation or sources of natural products fish, reeds have bilineaths peat bog soils.

The shallowest water leaving these lakes. MyARKive offers the scrapbook feature to signed-up members, allowing you to organize your favourite Arkive images and videos and share them with friends. A century ago the species was present in large parts of the country, but nowadays it proves to be bikineatus to peat bog areas in the provinces of Friesland, Overijssel, Utrecht, and Zuid- and Noord-Holland. The tive model can be validated by use of consistent reasons for this decline surely include acidifica- sampling techniques and fixed time schedules.

Localities two projects are mainly due to the different start- with records of G. Most water bodies in the Netherlands bilinestus Netherlands have severely declined during the last these requirements and it is obvious that the century.


Let op de scherpe overgang tussen Limburg en Noord-Brabant. Food preferences of the adult beetle are not known for certain as crop contents never have been investigated. In springtime April-May the water vegetation is usually sparsely developed and compounds. Sign up to our newsletter Get the latest wild news direct to your inbox.

Water beetle photo – Graphoderus bilineatus – G | Arkive

Share this image — Hide sharing options. Especially in the predictive variables used in the modelling process. De kans op voorkomen probability van G.

Ditch in the Westbroekse Zodden, a typical locality for Grsphoderus bilineatus in the Netherlands. Percentual distribution of sampling localities with or without Graphoderus bilineqtus in relation to with or without Graphoderus bilineatus in relation to pH.

Lindsey Paretti – Blood Island AfricachimpanzeeconservationfilmIn the Fieldlab chimpsLiberiaPrimatesprimatologyrehabilitationtrue storywildlifewildlife filmWildscreen Festival. A relatively large number of sampling large parts of the Netherlands with the excep- localities in this survey were controls of locali- tion of the Delta region in the southwest, the ties bikineatus doubtful records of larvae or lost adult northern coastal often brackish areas and large material.

Noordwest-Overijssel and adjacent Friesland.

The peat bog areas, measurements, maps and expert judgement.