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Query: classification: "42.75"

AuthorsM. Reemer, J.T. Smit
TitleDe zweefvlieg Cheilosia psilophthalma, een dubbelganger van Cheilosia urbana, nieuw voor Nederland (Diptera: Syrphidae)
JournalNederlandse Faunistische Mededelingen
Volume14
Year2001
Pages13-17
ISSN01692453
KeywordsNederland; Verspreiding; Fenologie; Biotopen; Herkenning; Determinatiesleutel
AbstractThe hoverfly Cheilosia psilophthalma, a double of C. urbana new to the Netherlands (Diptera: Syrphidae)
The hoverflies Cheilosia psilophthalma Becker, 1894 and C. urbana (Meigen, 1822) are very similar in their appearances. Until recently, only C. urbana had been recorded from the Netherlands, but now C. psilophthama was found in Dutch collections as well. Both species occur on sandy soil, where they can be found on willow catkins in early spring. The identification is discussed and a key to the species is given.
Classification42.75
Document typearticle
Download paperpdf document http://www.repository.naturalis.nl/document/45823