Isoperla conspicua (Rare Stripetail)

[another specialist]

Isoperla conspicua - Frison, 1935
A Stonefly

Concept Reference: Stark, B. 1996, October 12, 1998 last update. North American Stonefly List. Online. Available: www.mc.edu/campus/users/stark/stonefly.html. 1996, December 23.
Concept Reference Code: N96STA01EHUS
Name Used in Concept Reference: Isoperla conspicua

Global Status: GH
Global Status Last Reviewed: 20Sep1999
Global Status Last Changed: 20Sep1999
Rounded Global Status: GH - Possibly Extinct

Reasons:
Apparently still only known from Illinois (Rock Island). Until the revision of the eastern species of ISOPERLA by S. W. Szczytko becomes available, this species is incompletely known.

Nation: United States
National Status: NH

www.natureserve.org/explorer/servlet/NatureServe?searchName=Isoperla+conspicua

[Bowhead Whale]

Why was it called "conspicua"?

[Sebbe]

A Review of the Eastern Nearctic Isoperlinae (Plecoptera: Perlodidae) with the description of twenty-two new species

Efforts to recollect this taxon at the type locality have been unsuccessful. DeWalt et al. (2005) considers the species to be extinct

illiesia.speciesfile.org/papers/Monographiae-of-Illiesia.pdf