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White silk wrappings key to female spider's heart
Date:2/3/2014

sier for a female to spot a male over a distance and to see if he is carrying a gift or not.

Trillo's team also found that gift wrapping is indeed a way in which females can judge a male's body condition, and therefore its suitability to mate with. Males in poor condition produced poorly constructed and wrapped gifts, while males in better shape added more silk to the package, which made it also appear whiter.

"Females evaluate the physical condition of a male based on his silk wrapping performance, and how the gifts he brings look," Trillo summarizes. "Also, silk wrapping is a condition dependent trait and most probably allows a Paratrechalea ornata female to acquire information about her potential mate, including body condition and quality."


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Contact: Joan Robinson
joan.robinson@springer.com
49-622-148-78130
Springer
Source:Eurekalert  

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