Living Apart Together: On the Biology of two Sympatric Leuctra Species (Plecoptera, Leuctridae) in an Apenninic Stream, Italy

Manuel Jesús López-Rodríguez, José Manuel Tierno de Figueroa, Tiziano Bo, Alessandro Mogni, Stefano Fenoglio

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

Leuctridae is the richest stonefly family on the European continent, with many species of Leuctra often coexisting in sympatry in the same lotic environment. In this work we studied the life cycle and feeding habits of two species, Leuctra fusca and L. hippopus, coexisting in a small Italian Apennine stream. The life cycles of the two species are non-overlapping, i.e., periods of nymphal growth and adult emergence are separated. Nymphs of both species feed mainly on detritus, but quantities of coarse particulate organic matter (CPOM) and diatoms are also ingested. Larger nymphs of both species ingest more CPOM and fewer diatoms. This suggests a similar trophic behaviour through their development. For example, they act as collector-gatherers in their earlier instars and as collector-gatherers or as shredders in their later instars.

Lingua originaleInglese
pagine (da-a)117-123
Numero di pagine7
RivistaInternational Review of Hydrobiology
Volume97
Numero di pubblicazione2
DOI
Stato di pubblicazionePubblicato - mag 2012
Pubblicato esternamente

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