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For Insects, Spiders & Their Kin
For the United States & Canada
Egg Deposits? - Iris oratoria

Egg Deposits? - Iris oratoria
Maricopa, Pinal County, Arizona, USA
October 31, 2010
Size: 1 1/8 inches
These deposits are prolific - found all over our property. They appear on walls, branches, cactus, and in the case of this picture, a trellis.

Moved from ID Request.

Mantis eggs?
They really resemble the concrete-like egg masses Mantid species leave. I'm sure someone can help. If they are Mantids, they are a great free pest control system for your garden!

Likely are mantid eggs
We have a ton of Mantids, too, and the other evidence seems to match, so that is a very good guess. Thanks!

Egg case of the Mediterranean mantis, Iris oratoria.