Perlesta xube

Stark & Rhodes, 1997

Pawnee stone

Perlesta xube, known as the Pawnee stone, is a of in the Perlidae. It was described by Stark & Rhodes in 1997. The species is found in the central United States.

Pronunciation

How to pronounce Perlesta xube: //pɛrˈlɛs.ta zʌˈbi//

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Identification

As a member of the Perlesta, P. xube likely shares the general characteristics of the group: medium-sized stoneflies with membranous wings held flat over the body at rest, and relatively simple wing venation. Specific diagnostic features for this require examination of male genitalia or other detailed morphological characters. Distinguishing P. xube from such as P. placida or P. frisoni requires knowledge of Perlesta .

Habitat

Based on documented distribution records from Illinois, Iowa, North Dakota, Nebraska, and Ohio, the occurs in lotic freshwater systems of the central United States. Specific microhabitat preferences are not documented.

Distribution

Recorded from Illinois, Iowa, North Dakota, Nebraska, and Ohio in the United States.

Life Cycle

As a perlid , P. xube undergoes hemimetabolous development with aquatic nymphal stages and terrestrial . Nymphs are predatory in freshwater streams. Specific timing of and other details are not documented.

Ecological Role

Nymphs function as in freshwater stream . serve as prey for riparian predators.

Similar Taxa

  • Perlesta placidaOverlapping distribution in the central United States; requires genitalic examination for reliable separation
  • Perlesta frisoniSympatric in parts of the range; distinguished by subtle morphological differences in male terminalia

More Details

Etymology

The specific epithet 'xube' derives from the Omaha-Ponca word for 'stone' or 'rock', reflecting the 'Pawnee stone' and the cultural heritage of the region where the occurs.

Sources and further reading