Butterfly colours against spiders, not birds?

Dear Kitty. Some blog

This video from the USA says about itself:

The Great Purple Hairstreak Butterfly (Altides halesus) is widely distributed in the southern and western United States, but is considered a rare butterfly in most places, and is seldom seen by most people. The larvae feed on various species of Mistletoe. The adult butterflies rarely open their wings, except to take flight, and usually appear as dark charcoal/black-colored when at rest with their wings over their backs. The only time to see the amazing irridescent top side of a living Purple Hairstreak is when they first emerge from the chrysalis and expand their wings.

From ScienceDaily:

Spiders, Not Birds, May Drive Evolution of Some Butterflies

Mar. 12, 2013 — Butterflies are among the most vibrant insects, with colorations sometimes designed to deflect predators. New University of Florida research shows some of these defenses may be driven by enemies one-tenth their size.

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About narhvalur

Environmentalist, Animal Lover, Birder,Equastrian
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