Various species of mantids have been released over the years as the supposed allies of gardeners. Like many such introductions, this has all gone awry. There are at least four such species in NYC. Check out what Brooklyn Bridge Park did over three years to reduce the threat posed by these invasives. Two of these, Tenodera angustipennis and Tenodera sinensis are quite similar-looking. The latter is the largest species we see around here, reaching 11 cm in length, but size isn’t always a reliable differentiating factor. According to bugguide.net, however, there are telltale colored spots between the forelegs. (Hard place to see, unfortunately.) This one is orange, making it T. angustipennis. T. sinensis has a yellow mark.
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