Egg Case

Roachman26

Roachman26

Seventh Instar
Anyone know what sort of insect makes this sort of egg case?

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Ralph said:
Stagmomantis species.
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Thanks Ralph. Once I got the name, I did a google search and checked them out. I'm in Southern California and I've never seen any mantids anywhere in my area. I just bought a bunch of Chinese and European egg cases because I didn't know there were any around. I just used that gate a few months ago in winter and there was no egg case there at that time. I would have thought they would lay in the fall for a spring hatch, but this one apparently laid in the Spring. Will it hatch without a diapause? I don't want to mess with it, so I'll just watch it daily to see if I can catch them hatching. I'll try to get some photos.

 
At this time of year you shouldn't need a diapause if you were out here in the Midwest, but I don't know about California. Probably not, though. They tend to hatch in the morning, after rain because it's safest from predators. How many Chinese/European ooths did you buy? There's a lot of eggs in one of those!

 
Ralph said:
At this time of year you shouldn't need a diapause if you were out here in the Midwest, but I don't know about California. Probably not, though. They tend to hatch in the morning, after rain because it's safest from predators. How many Chinese/European ooths did you buy? There's a lot of eggs in one of those!
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Umm, lets just say a few. From what I read there are 200-400 in each ooth.

 
I know this topic is old, but I believe that this egg case may be from the Mediterranean Mantis (Iris oratoria) which are quite common in southern California. :rolleyes:

 
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