What is the purpse of horns in some beetles ?

Beetles are the most numerous order of insects,come in a wide array of sizes,shapes and colours.

Among their most impressive attributes are the prominent horns that are sported by some male beetles.

Charles Darwin ,the principal author of the evolution,was one of the first naturalists to comment on the horns,which are more than more decoration.

Male beetles wield their horns as fearsome and effective weapons in battles over food,territory,or females.
The horns vary in length and shape among species of beetles.




Some species use their horns like lances.
Combat with horns can be violent and even fatal ,so smaller males,though armed ,often avoid conflict when possible.

Beetles fight over possession of burrows in sugar-cane stalks ,shoving and gripping each other with vicelikr horns.


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