Waarnemingen aan Leucophora (Diptera: Anthomyiidae) bij bijennesten
Waarnemingen aan Leucophora (Diptera: Anthomyiidae) bij bijennesten vijf goudoogvliegjes nieuw voor de nederlandse fauna (diptera: chyromyidae) The flesh-flies of Central Europe Parasites and the regional distribution of bumblebee species Overview of the biology of marsh flies (Diptera: Sciomyzidae), with special reference to predators and parasitoids of terrestrial gastropods Leucophora Satellite Flies (Diptera: Anthomyiidae) as Nest Parasites of Sweat Bees (Hymenoptera: Halictidae) in the Neotropics Insects associated with sweet fennel: beneficial visitors attracted by a generalist plant Host Nest Discrimination by a Cleptoparasitic Fly, Metopia campestris Gasten van bijenhotels DIPTERA IN BEELD De broedparasiet Cacoxenus indagator (Drosophilidae) en de parasitoïden Melittobia acasta (Eulophidae) en Coelopencyrtus sp. (Encyrtidae) bij solitaire bijen in kunstmatige nestgelegenheid Comparative morphology of the first instar larva of three species of Metopia Bee Louse, Bee Fly, Braulid, Braula coeca Nitzsch (Insecta: Diptera: Braulidae)