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Crickets on Hawaiian Island develop silent wings in response to parasitic attack

ts in which 2-meter radius circles were delineated within the habitat of crickets on Oahu, the Big Island of Hawaii, and Kauai. After removing and noting the sex, the wing type and the number of all crickets inside the circle, the researchers played an island-specific calling song from a speaker placed in the circle's center. After 20 minutes, the researchers noted the position, sex and wing structure of all crickets inside the circle, and measured the distance from all crickets to the speaker.

Comparing their observations made on the three islands, the researchers found that on Kauai, the flatwings arrived much more quickly, and settled closer to the speaker, than normal-winged males on the other two islands, supporting the notion that the new morphs are using the callers as female attractors.


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Contact: Iqbal Pittalwala
iqbal@ucr.edu
951-827-6050
University of California - Riverside
22-Sep-2006


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