Identifying mantid egg cases in Pennsylvania

Below are photographs and descriptions of egg cases of the (native) Carolina mantis, the European (=praying) mantis, the Chinese mantis, and the narrow-winged mantis. Carolina mantid (Stagmomantis carolina) Carolina mantids (the only native species in my area) form relatively smooth, teardrop-shaped oothecae with a central portion that is lightly colored. Often found on tree trunks, […]

Greenhouse camel crickets (Tachycines asynamorus)

Here are some photographs of greenhouse camel crickets (Tachycines asynamorus) that I recently found in and around my house. It’s called the greenhouse camel cricket because when it (and related T. japanica) first came to Europe from Asia it was a common insect in conservatories. I’m not positive, but I think before that invasion the […]