Back from the dead: A fungus gnat pollinator turns Arisaema lethal trap into nursery

Abstract

The research explores the complex interaction between flowering plants and their pollinators, specifically focusing on the genus Arisaema. Unlike most plants, Arisaema has a distinctive trait in which killing pollinators can be beneficial. Traditionally, this interaction has been viewed as highly antagonistic because it appears to favor the plants at the expense of the pollinators. However, new evidence reveals that a pollinator uses the lethal floral trap of Arisaema thunbergii as a nursery. Remarkably, some individuals probably even escape from the trap after laying eggs. This finding challenges the prevailing notion that deceptive pollination is the sole outcome in Arisaema, a genus known for its intricate lethal pollination mechanisms.

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