American Wildlife

$A blue-tinted Common Rough Woodlouse (Porcellio scaber) in Eureka, California, February 2015. This sowbug is blue because it is infected with "isopod iridescent virus" or IIV, and refraction of light from the infected cells give it the blue color. [Porcellio scaber 001 Humboldt-CA-USA 2012-02]$

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A blue-tinted Common Rough Woodlouse (Porcellio scaber) in Eureka, California, February 2015. This sowbug is blue because it is infected with "isopod iridescent virus" or IIV, and refraction of light from the infected cells give it the blue color. [Porcellio scaber 001 Humboldt-CA-USA 2012-02]

Porcellio scaber 001 Humboldt USA 2012