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Provedor de dados:  Naturalis
País:  Netherlands
Título:  De valkruidmineervlinder Digitivalva arnicella in Nederland: herontdekking en behoud (Lepidoptera: Plutellidae: Acrolepiinae)
Autores:  Nieukerken, E.J. van
Koster, J.C.
Data:  1999
Ano:  1999
Palavras-chave:  Acrolepiinae
Plutellidae
Yponomeutoidea
Digitivalva
Netherlands
Conservation
Arnica
Digitivalva arnicella ( Plutellidae- )
Habitat management
Endangered status
Effect of food plant shortage
Conservation proposals
Food plants
Arnica montana
Effect on decline to endangered status
Decline-to-endangered-status
Influences-and-conservation
Netherlands
Distribution
Population dynamics and conservation
Endangered species
42.75
Resumo:  The occurrence of Digitivalva arnicella in the Netherlands: rediscovery and conservation (Lepidoptera: Plutellidae: Acrolepiinae) Digitivalva arnicella (Heyden, 1863), previously only known from two localities before 1902, has been rediscovered in eight localities in the northern part of the Netherlands (province of Drenthe) on its host Arnica montana. On the basis of leafmines, found in old herbarium collections, it can be concluded that the species was once widespread within the range of its host in the northern and eastern parts of the Netherlands and has apparently been overlooked by entomologists since. D. arnicella is a much endangered species in the Netherlands, because of the dramatic decline of its host. Two of the eight discovered populations have been lost since their discovery in the first half of the 1990’s. Systematics and life history of the species are described and illustrated, the distribution is mapped and advise for management of its sites are given. The current management of some populations of Arnica, by mowing the site completely in August, is disastrous for the young caterpillars, mining the leaves.
Tipo:  Article / Letter to the editor
Identificador:  http://www.repository.naturalis.nl/record/209794
Formato:  application/pdf
Fonte:  Nederlandse Faunistische Mededelingen (01692453) vol.9 (1999) p.15
Direitos:  (c) Naturalis
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