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Neue und interessante Bienen- und Wespenarten für das Tessin und die Schweiz von Walbrandgebieten (Hymenoptera : Aculeata : Apidae, Pompilidae, Sphecidae)
2002
Bees and wasps were studied on 23 south-exposed sites in chestnut forests on the southern slopes of the Swiss Alps. Window interception traps, each combined with a yellow water pan, were operated from March to September in 1997. Of the 301 identified species (from 51.641 individuals), pan, individuals), pan, four species are new for Switzerland and 40 species new for the Ticino County. In spite of the investigations done in the past and more recently, these new species show how little the fauna
doi:10.5169/seals-402825
fatcat:pilgayhsibgzjjbjcl2ffjrspm