What is this method and by whom was it developed? Development of the biotechnical methodof Prof. Krzysztof Olszewski, adapted to the Dadant system and large combs.
What is this insulator? Hybrid queen isolator with sliding vertical excluder, allowing controlled passage of the queen.
How does it work in practice? The isolator is mounted in the center of the nest. It allows for isolation and subsequent use of the comb as a trap for varroa.
