The territorial behaviour of Melitaea trivia Lepidoptera, Nymphalidae Il comportamento territoriale di Melitaea trivia Lepidoptera, Nymphalidae

Pinzari, M.

Bollettino dell'Associazione Romana di Entomologia 55(1-4): 67-134

2000


Accession: 038815192

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Abstract
On the basis of field observations carried out in the sorroundings of Vallemare (Central Apennines, Latium, province of Rieti) a global account on the territorial behaviour of Melitaea trivia ( Denis e Schiffermuller , 1775) is given. Particular attention was dedicated to describing and analysing the most important aspects involved with the territorial behaviour by males of the species, i.e. site selection, characteristics and distribution of territories, external thermic conditions allowing territorial activity, thermoregulation by the individuals during basking and flight, stimulus-response relationship between interacting individuals and stereo-typed sequences thereto, as well as conditions enhancing successful meeting with sexual partners. The whole information also provides a basic toward an understanding of the evolution of territorial behaviour in Melitaea trivia.