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Old 09-21-2015, 09:48 AM
 
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How is it that some flies are wingless, like the sheep ked or the New Zealand bat fly? I thought that all flies have wings and remember I am talking flies as in insects of the order Diptera.
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Old 09-21-2015, 10:05 AM
 
Location: ☀️ SFL (hell for me-wife loves it)
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Some are genetically mutated. I have raised frogs in the past, and flies without wings are easier for them to catch for food source. Their eyes are also a different color.
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Old 09-21-2015, 11:41 AM
 
Location: NC
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Never heard of them so I looked them up. What strange creatures. Molecular analysis (DNA maybe?) confirms they really are flies, just a unique, specialized group. Thanks for bringing them to our attention.

Normal flies actually have two pairs of wings but one pair is already greatly reduced (halteres).

Just for your enlightenment, let me mention there are also legless lizards that look like little snakes. In genetic/evolutionary terms, it is always easier to lose something than to gain it. A more recent example might be hairless mice, cats, or dogs, which were bred by man.
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Old 09-21-2015, 02:46 PM
 
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I think at this point they are called "crawls".
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Old 09-28-2015, 03:12 PM
 
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Quote:
Originally Posted by luv4horses View Post
Never heard of them so I looked them up. What strange creatures. Molecular analysis (DNA maybe?) confirms they really are flies, just a unique, specialized group. Thanks for bringing them to our attention.

Normal flies actually have two pairs of wings but one pair is already greatly reduced (halteres).

Just for your enlightenment, let me mention there are also legless lizards that look like little snakes. In genetic/evolutionary terms, it is always easier to lose something than to gain it. A more recent example might be hairless mice, cats, or dogs, which were bred by man.
Hairless mice, cats, or dogs are merely products of artificial selection and it's still accurate to say that every species of mammal has hair or fur if anything else.
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Old 09-28-2015, 03:43 PM
 
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If wings are not helping an organism survive then a spontaneous mutation without wings will do just as well as with wings. For those species you mention-not having wings decreases the chances of being blown off the host perhaps.
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