Fruit flies medicate their larvae with alcohol

(Phys.org)—A new study in the U.S. shows that fruit flies lay their eggs on a food source with a high alcohol content if they see parasitic wasps in the area, instead of a non-alcohol food.

This beetle uses eggs as shields against wasps

(PhysOrg.com) -- New University of Arizona research has discovered that seed beetles from the desert Southwest shelter their broods from attacking parasitic wasps under a stack of dummy eggs.

Passerine bird takes advantage of human settlements

Daurian redstarts move their nesting sites closer to or even inside human settlements when cuckoos are around. In doing so, they actively protect their nest against brood parasitism, as cuckoos avoid human settlements.

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