Fertilization nuclei for queen bees. Particularly suitable for the instrumental insemination of queen bees:

• equipped with queen excluders to prevent accidental fertilization flights

• excellent thermal insulation thanks to the high density material

• excellent mechanical resistance

• lower sliding drawer useful for filling with 100/150 g of bees

• syrup or candy feeder made of mothproof plastic

• pre-formed frames ready to be brushed with a little liquid wax

• adjustable front ventilation useful for moving around

• adjustable lower ventilation for better air circulation

• stackable feet for easy transport

• 4-position front disc with queen excluder

• plastic honeycomb cover sheet prepared for the insertion of the queen cells