Immature Argiope

March 8th, 2011 - 6:25 PM | Filed under Featured Photos | No comments

January 18, 2011 | Gandoca-Manzanillo NWR, Limon Province, Costa Rica

Closeup crop

Argiope spiders are easy to recognize. They sit head down in the center of their webs with their legs paired up. They don’t even bother to hide themselves during the day. They are among a relatively small number of orb weavers that add a decoration to their web, called a stabilimentum.

The form of the stabilimentum may change as the spider grows. Young spiders like this one may create a dense circular pattern as shown here. Older spiders are more likely to create sparser designs in various shapes.

According to the World Spider Catalog, there are five species of Argiope in Costa Rica: argentataaurantiablandasavignyi and trifasciata. Some I’m familiar with and can eliminate, but that still leaves a few this could be. It does however match a photo here of A. savignyi.

When I recently considered upgrading my camera body to the Canon 60D, I convinced myself it would be more versatile because of the flip-out LCD screen combined with live view. I’m happy to say I wasn’t just lying to myself in order to justify the upgrade. This spider was just one subject from the trip that I would have otherwise had to pass up. Here, I held the camera well above my head with the screen pointed down for focusing.

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