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Keyword: new genus

A new genus of long-legged flies displaying remarkable wing directional asymmetry

Publications Posted on: January 16, 2009
A previously unknown group of flies is described whose males exhibit directional asymmetry, in that the left wing is larger than, and of a different shape from, the right wing. To our knowledge, wing asymmetry of this degree has not previously been reported in an animal capable of flight. Such consistent asymmetry must result from a leftÂright axis during development, a level of differentiation whose existence has been questioned for insects.