Larva Transfer Pen Specially Designed Larva Transfer Pen Makes It Easier for You to Transfer the Larvae in Your Hive to the Cup and Thimble Without Damaging Both the Larvae and the Pollen and Royal Jelly. It is a pressed spring mechanism. The larva transfer pen has a cap at the end. This Pen, Used in Reproducing the Queen Bee, Makes the Work of the Beekeeper Easier by Facilitating Larva Transfer.