Arrowshaped micrathena

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The Arrowhead Micrathena (Micrathena sagittata), the most colorful of the four native Micrathena species, inhabits the fields and forests of the East and Midwest.

The picture shows a female, enlarged by a factor of three to highlight the red head and yellow spined abdomen. Males are smaller and less colorful.

© 2009 Patricia A. Michaels