Portrait of Rune Bygebjerg. Photo.

Rune Bygebjerg

Museum assistant

Portrait of Rune Bygebjerg. Photo.

Nya fynd i Sverige av daggflugan Cacoxenus indagator Loew (Diptera, Drosophilidae), en kleptoparasit hos murarbin (Osmia spp.) (Hymenoptera, Megachilidae).

New records from Sweden of the fruitfly Cacoxenus indagator Loew (Diptera, Drosophilidae), a cleptoparasite of mason bees (Osmia spp.) (Hymenoptera, Megachilidae.


  • Karin Johnson
  • Rune Bygebjerg

Summary, in English

New records of the vinegar fly Cacoxenus indagator Loew, 1858 are reported from Sweden.

The species was collected from two sites in Lund, Scania in 2014. The fly is known as

a cleptoparasite of mason bees, Osmia spp., Megachilidae. The female Cacoxenus patrols

around the nests of the bees, and lays eggs inside the broodcell, when the bee leaves for



  • Ecology




  • ISSN: 0013-886X