Jenter kit

A Jenter kit or Karl Jenter kit is a piece of equipment used by beekeepers in order to specifically raise large numbers of Queen Honeybees.

Rival techniques for rearing Queen bees generally require grafting the honeybee larvae by hand. As such, the development of this kit by Karl Jenter is a significantly useful tool to assist in beekeeping.


Beekeepers used to have to graft the honeybee larvae by hand, in some cases by using tools such as tweezers. This fiddly approach would frequently result in the damaging of the larva thus halting the development into a queen bee.

Rather, the Jenter kit uses a system of plastic cups or 'cells' in which a queen bee can lay her eggs. The cells containing the eggs can then be simply removed from the laying box and placed into an isolated box for larval development to take place - with no direct handling of the larvae.

As the first queen bee to hatch will kill the rival hatchlings, the eggs are covered with a small plastic cage. This prevents a newly hatched queen from approaching the other eggs, and thus from harming them. This allows for a beekeeper to return to the hive to find a large number of newly hatched queen bees.

Within 30 days, it is possible to rear as many as 50 queens using a single Jenter kit.


In modern times, the Jenter kit is in use by the majority of Western European and North American apiarists. The kit allows for Queen bees to be produced commercially in order to supply other beekeepers, or so a beekeeper may increase their own total number of hives. Both uses have become increasingly important as a mechanism to maintain large numbers of bee colonies worldwide in the fight against Varroa mites and Colony Collapse Disorder.

External links

* [ How to use a Karl Jenter kit for Honey Bee Queen Rearing, 2008;]

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