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Arrow-shaped Micrathena

Micrathena sagittata


Female: three pairs of pointed tubercles on the abdomen, with the rear pair large and spreading to give the abdomen a triangular look. Tubercles are black-tipped and red at the base. The center of the dorsum is yellow. Male: abdomen does not have spines, widest at rear. (information from BugGuide)


Dense woodland


The area where this spider was spotted was chock full of Micrathena sagittata.

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1 Comment

There are so many of these around right now near my home in Heredia, Costa Rica (at least in looks like the same one). They are not so prevalent all the time, but I've been seeing a lot of them when I'm out looking for beetles in the past week or so.

Spotted by

Baltimore, Maryland, USA

Spotted on Jul 26, 2012
Submitted on Aug 2, 2012

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