Whistling in caterpillars (Amorpha juglandis, Bombycoidea): sound-producing mechanism and function

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Whistling in caterpillars (Amorpha juglandis, Bombycoidea): sound-producing mechanism and function.

Caterpillar defenses have been researched extensively, and, although most studies focus on visually communicated signals, little is known about the role that sounds play in defense. We report on whistling, a novel form of sound production for caterpillars and rare for insects in general. The North American walnut sphinx (Amorpha juglandis) produces whistle 'trains' ranging from 44 to 2060 ms in...

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Caterpillars have long been used as models for studying animal defence. Their impressive armour, including flamboyant warning colours, poisonous spines, irritating sprays, and mimicry of plant parts, snakes and bird droppings, has been extensively documented. But research has mainly focused on visual and chemical displays. Here we show that some caterpillars also exhibit sonic displays. During ...

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ژورنال

عنوان ژورنال: Journal of Experimental Biology

سال: 2011

ISSN: 1477-9145,0022-0949

DOI: 10.1242/jeb.046805