http://www.iucnredlist.org/apps/redlist/details/15129/0  -  Endangered status information

A female Oecanthus laricis was found about 12 feet up in a Tamarack tree in the Oak Grove State Game Area - NW of Detroit.  She has deep brownish black head, pronotum and abdomen -- whereas Oecanthus pini would have brownish red in these areas.

Description by Thomas J. Walker.