''Timema knulli'', Knull's Timema, is a

stick insect The Phasmatodea (also known as Phasmida, Phasmatoptera or Spectra) are an order of insects whose members are variously known as stick insects, stick-bugs, walking sticks, stick animals, or bug sticks. They are also occasionally referred to as ...

native to California.

References

Phasmatodea {{Phasmatodea-stub