Bestuiving met hommels
world wide marketleader for biological cropprotection and natural pollination for professional agriculture.
http://www.koppert.nl/n003.shtml
Hommels
Hommels
http://members.chello.nl/~f.dehommel/
Hommels houden in nestkasten
Hommels houden in nestkasten
http://www.ahw.dds.nl/indexhommel.html