Isoperla orata
Frison, 1942
Colorless Stripetail
Isoperla orata, known as the colorless stripetail, is a of green-winged in the Perlodidae. It was described by Frison in 1942. The species has been recorded from scattered locations in eastern and central North America including Connecticut, Kentucky, Maine, Minnesota, and New Brunswick. As a member of the Isoperla, it belongs to a group of predatory stoneflies commonly referred to as stripetails.
Pronunciation
How to pronounce Isoperla orata: /ˌaɪsoʊˈpɜrlə oʊˈreɪtə/
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Identification
The 'colorless stripetail' suggests reduced or absent pigmentation on the abdominal stripes compared to other Isoperla , which typically display distinct pale stripes on a dark background. Definitive identification requires examination of male genitalia and associated structures; aedeagal sac characteristics distinguish Isoperla orata from .
Images
Distribution
Recorded from Connecticut, Kentucky, Maine, and Minnesota in the United States, and New Brunswick in Canada. Distribution appears disjunct with scattered records across eastern and central North America.
Similar Taxa
- Other Isoperla speciesShare general body plan and stripetail ; distinguished by specific genitalic structures and subtle differences in abdominal stripe coloration
More Details
Taxonomic note
The epithet 'orata' may refer to the reduced or absent (oro- root) striping pattern that characterizes this species relative to its .