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stuart dahne > Hot August Blues 2007, Oregon Ridge Park, Hunt Valley, Md. photo
stuart dahne > Hot August Blues 2007, Oregon Ridge Park, Hunt Valley, Md. photo
stuart dahne > Western Tiger Swallowtail ~ Papilio rutulus
stuart dahne > Hot August Blues 2007, Oregon Ridge Park, Hunt Valley, Md. photo
stuart dahne > Hot August Blues 2007, Oregon Ridge Park, Hunt Valley, Md. photo
stuart dahne > Western Tiger Swallowtail ~ Papilio rutulus Swallowtails differ from all other butterflies in a number of anatomical traits. Most notably, their caterpillars possess a unique organ behind their heads, called the osmeterium. Normally hidden, this forked structure can be everted when the caterpillar is threatened, and emits smelly secretions containing terpenes. The adults are often tailed, giving the insect its name.
stuart dahne > Hot August Blues 2007, Oregon Ridge Park, Hunt Valley, Md. photo
stuart dahne > Hot August Blues 2007, Oregon Ridge Park, Hunt Valley, Md. photo
stuart dahne > Hot August Blues 2007, Oregon Ridge Park, Hunt Valley, Md. photo
Hot August Blues 2007, Oregon Ridge Park, Hunt Valley, Md. photo
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