Silence of the Crickets

PBS has a YouTube featuring rapid evolution in Hawaiian crickets after the arrival of an exotic species of parasitoid fly. The parasitoids use the sound of calling male crickets to locate hosts. Calling males are parasitized at a high rate affecting their ability to reproduce. The parasitoid makes silence in males more adaptive.

The parasitoid first arrived on the island of Kawaii leading to a large proportion of silent male crickets. Later, the parasitized colonized Oahu and a similar…

Source: Living With Insects Blog

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