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  Topic: The evolution of coloration in fungi, are brightly colored fungi aposematic?< Next Oldest | Next Newest >  
VMartin



Posts: 525
Joined: Nov. 2006

(Permalink) Posted: Aug. 01 2007,15:10   

Quote (Patrick Caldon @ July 25 2007,15:54)
 Suppose there is a bird who has learned to avoid butterflies having a specific pattern.  There is then a selective advantage to looking like the poisonous butterfly.  This has been studied quite a lot.


I am not sure "it has been studied quite a lot". According (neo)darwinsim wasps have aposemtic coloration to warn and deter predators. Hornet moth (Aegeria apiformis) looks and buzz like a wasp. One would think that the moth has some survival advantage looking like a wasp. But probably no scientist has made a research to prove it yet. Wasps have many bird's predators who eat them.

One of them is bird Merops apiaster living in Europe - Bee eater:

         
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Just as the name suggests, bee-eaters predominantly eat insects, especially bees, wasps and hornets, which are caught in the air by sorties from an open perch.


http://en.wikipedia.org/wiki/European_Bee-eater

or curl-crested jay (Cyanocorax cristatellus) in Brazil:


         
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These observations suggest that predation by birds could play an important role in the dynamics of social wasp populations.


http://www.scielo.sa.cr/scielo.....arttext

It is only a (neo)darwinian pressuposition that a moth  mimicing wasps are protected having wasp coloration. Probably no serious research has been done yet. If it has been done let me notice.

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Btw. I have read in a text-book published during communism (socialism you know) that birds are able to tell apart a hornet moth and a wasp very well - but there was no resource of the claim. But Frankfurter school of structuralism claims the same - the predators can distuinguish between mimic and model.

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I could not answer, but should maintain my ground.-
Charles Darwin

  
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