The Narrow-winged Mantis
As most beginners and experts alike know about the Chinese Mantis
(Tenodera sinensis), other species within the genus seem to go unnoticed. Especially because how similar they are to each other. In the eastern United States, two species of
Tenodera are naturalized there. The familiar
T. sinensis and the Narrow-winged Mantis
(T. angustipennis). This species is native to Japan and other parts of Asia.
When not side-by-side with
T. sinensis, this species can be hard to distinguish at first although there are some sure ways to identify it. In between it's raptorial forelegs, there's a distinctive orange spot. On
T. sinensis, this spot is yellow. The ootheca is also quite distinct. It is much more elongate and has two chestnut-brown stripes that run parallel with the length. In the United States, the ootheca of this species is more often confused with that of the native
Stagmomantis carolina ootheca because both are elongate.
Finally, when
T. angustipennis and
T. sinensis are side-by-side, you can see that
T. angustipennis has a narrower, thinner build, hence the name. There' also a difference in wing patterning too.
I can imagine that the care for this species is identical to
T. sinensis. Both photos I shared are not mine. I found them on Bugguide.