 Nest entrances are frequently concealed using scattered foliage.For "L. malachurum", thousands of nests can be found located within a small region in nesting aggregations, which suggests that the bees likely have some sort of identification mechanism for conspecific nests.In fact, nest entrances and brood cell linings are both impregnated with secretions from the Dufour's gland of the bees, which plays a role in nest orientation.