When importing Rock Bees from an ender quarry (quarry-> ender chest->transfer node->storage drawer slave), the Bees will import fine until there is a genetic difference. Then, as a user you cant tell the difference (but we know there is). The storage drawers will not create another stack since its technically a different item. If I place those bees in by hand (into a drawer) the system will keep stacking on those appropriately.

So summary: Two rock bees unknown of difference types. One will import fine, the other hangs and cannot be pushed into the system. If placed by hand into another drawer, then all importing of both types work just fine.

Suggested solution: Allow drawers to keep pushing different unknown bees into new drawers.

FTB Infinity Expert Mode: 2.3.5
Minecraft version: 1.7.10
Drawers: 1.7.10-1.7.8
Drawers-Biomes 1.7.10-1.1.1
Drawers-forestry 1.7.10-1.1.2
Drawers-Misc 1.7.10-1.1.2
Drawers-Natura 1.7.10-1.1.1