Comments on: A Curious Case of Midges http://calevphoto.com/2009/01/20/a-curious-case-of-midges/ Photographing the Earth, one millimeter at a time… Sat, 11 Feb 2012 04:55:01 +0000 hourly 1 http://wordpress.org/?v=3.2.1 By: bug_girl http://calevphoto.com/2009/01/20/a-curious-case-of-midges/comment-page-1/#comment-528 bug_girl Wed, 21 Jan 2009 19:46:38 +0000 http://calevphoto.com/2009/01/20/a-curious-case-of-midges/#comment-528 The sac you saw is one of a matched set--it's the fly's halteres. They are the remnants of the other set of wings, and function in balance. http://bugguide.net/node/view/112964 The sac you saw is one of a matched set–it’s the fly’s halteres.
They are the remnants of the other set of wings, and function in balance.

http://bugguide.net/node/view/112964

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