Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Photo#119577
Giant Stonefly - Chauliodes rastricornis

Giant Stonefly - Chauliodes rastricornis
Minneapolis, Hennepin County, Minnesota, USA
June 12, 2007
I belive this is Pteronarcys dorsata - the Giant Stonefly.

Neuropteran, Chauliodes rastricornis
No, this is a neuropteran (or megalopteran, depending on the classification you use), the "spring fishfly", Chauliodes rastricornis--a female (serrate antennae, male has feathery antennae). Compare such images as: