Individuals of the sweat bee Lasioglossum zephyrum are able to discriminate between more or less genetically related individuals, with rising acceptance rates as the genetic relationship rises. Other studies have suggested that environmentally acquired cues can also be important in recognition behaviour. According to, environmentally acquired cues can even exceed the effect of endogenously produced ones, and be fundamental in nestmate recognition. Exogenously acquired recognition cues may come from many different sources.
The Argentine ant Linepithema humile can incorporate into its cuticle single compounds from its diet, which are used for nestmate discrimination. Materials used in nest
construction may also provide recognition cues for bees and wasps. In honeybees, wax is probably the most important contribution to cuticle label. found that 5 min of contact with wax from a different nest resulted in a significant rise in rejection rates of contaminated individuals by nestmates. Exchange of comb wax between two colonies significantly raised acceptation rates of workers between nests. Moreover, chemical analyses revealed that after comb wax was exchanged between colonies, the cuticular
lipid composition of individuals from each colony became more similar. The acceptance rates of foreign workers, however, declined after a few weeks, showing that the cuticle substances were being constantly renewed. It was concluded from these studies of honeybees that different sources of colony odour can be absorbed and redistributed through the wax, resulting in a single homogenous odour for the whole nest.
Individuals of the sweat bee Lasioglossum zephyrum are able to discriminate between more or less genetically related individuals, with rising acceptance rates as the genetic relationship rises. Other studies have suggested that environmentally acquired cues can also be important in recognition behaviour. According to, environmentally acquired cues can even exceed the effect of endogenously produced ones, and be fundamental in nestmate recognition. Exogenously acquired recognition cues may come from many different sources.
The Argentine ant Linepithema humile can incorporate into its cuticle single compounds from its diet, which are used for nestmate discrimination. Materials used in nest
construction may also provide recognition cues for bees and wasps. In honeybees, wax is probably the most important contribution to cuticle label. found that 5 min of contact with wax from a different nest resulted in a significant rise in rejection rates of contaminated individuals by nestmates. Exchange of comb wax between two colonies significantly raised acceptation rates of workers between nests. Moreover, chemical analyses revealed that after comb wax was exchanged between colonies, the cuticular
lipid composition of individuals from each colony became more similar. The acceptance rates of foreign workers, however, declined after a few weeks, showing that the cuticle substances were being constantly renewed. It was concluded from these studies of honeybees that different sources of colony odour can be absorbed and redistributed through the wax, resulting in a single homogenous odour for the whole nest.
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