Subtitle:

Carrion-exploiting community - necrophages and their parasitoids

Contributor:

Polish Academy of Sciences. Institute of Ecology

Publisher:

Polish Academy of Sciences. Institute of Ecology. Publishing Office

Place of publishing:

Dziekanów Leśny

Description:

Strony 49-72 : ilustracje ; 27 cm ; Bibliografia na stronach 70-72

Type of object:

Czasopismo/Artykuł

Abstract:

In a beech forest on limestone. the community of carrion (dead Arion ater slugs) exploiting Diptera and their parasitoids (Hymenoptera) was studied. The carcass sustained 17 species of Diptera and 12 of Hymenoptera. With the exception of Kleidotoma psiloides (Eucoilidae), all of the parasitoid species bred were polyphagous and attacked all of the fly species present. The populations of the fly and wasp species were highly aggregated. The degree of aggregation depended in an inversely manner on the density. The dispersion of the parasitoids was independent from the number of hosts. Diptera, which lay their eggs in a late stage of decay, showed a negative correlation between aggregation and the weight of the slugs. There was no interspecific competition detectable between the fly species. The parasitoids did compete markedly only at high levels of parasitism. The parasitoids showed only a weak (negative) density dependent reaction to the number of hosts present. The degree of density dependence was more pronounced in the more infrequent species. The total parasitoid numbers increased in a linear manner with increasing host densities, and therefore the overall parasitism rate was roughly constant for different host numbers. Large predators and necrophages (Silphidae, Carabidae, Arion ater) had a high impact on the mortality of the flies and wasps. In experimental boxes that allowed free access to these species, they totally prevented the developrnent of phorid flies and their parasitoids.

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Relation:

Polish Journal of Ecology

Volume:

47

Issue:

1

Start page:

49

End page:

72

Detailed Resource Type:

Artykuł

Resource Identifier:

oai:rcin.org.pl:106113 ; ISSN 1505-2249

Source:

MiIZ PAN, sygn. P.2840 ; click here to follow the link

Language:

eng

Language of abstract:

Rights:

Licencja Creative Commons Uznanie autorstwa 3.0 Polska

Terms of use:

Zasób chroniony prawem autorskim. [CC BY 3.0 PL] Korzystanie dozwolone zgodnie z licencją Creative Commons Uznanie autorstwa 3.0 Polska, której pełne postanowienia dostępne są pod adresem: ; -

Digitizing institution:

Muzeum i Instytut Zoologii Polskiej Akademii Nauk

Original in:

Biblioteka Muzeum i Instytutu Zoologii PAN

Projects co-financed by:

Program Operacyjny Polska Cyfrowa, lata 2014-2020, Działanie 2.3 : Cyfrowa dostępność i użyteczność sektora publicznego; środki z Europejskiego Funduszu Rozwoju Regionalnego oraz współfinansowania krajowego z budżetu państwa

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