Thesis Title

A Survey of the Ephemeroptera of North Fork River, Missouri

Date of Graduation

Spring 1990

Degree

Master of Science in Biology

Department

Biology

Committee Chair

Steven Jensen

Subject Categories

Biology

Abstract

A year long study of the order Ephemeroptera was undertaken from 5 August, 1988 through 1 August, 1989. Adults and nymphs were collected from nine sites along North Fork River to determine the species composition. Forty-three species of twenty-five genera were collected: Baetisca lacustris, Eurylophella bicolor, Eurylophella temporalis, Serratella deficiens, Serratella serratoides, Ephemerella aurivilli, Ephemerella needhami, Ephemerella subvaria, Ephemerella invaria, Caenis simulans, Caenis jocosa, Tricorythodes atratus, Potamanthus myops, Ephemera simulans, Hexagenia limbata, Ephoran album, Choroterpes oklahoma, Leptophlebia cupida, Paraleptophlebia mollis, Paraleptophlebia guttata, Paraleptophlebia debillis, Isonychia bicolor, Rithrogena pellucida, Leucrocuta maculipennis, Stenacron interpunctatum canadense, Stenonema femoratum, Stenonema mediopunctatum arwini, Stenonema terminatum, Stenonema pulchellum, Centroptilum sp., Cloeon sp., Callibaetis ferrugineus, Baetis hageni, Baetis pygmaeus, Baetis flavistriga, Baetis tricaudatus, Pseudocloeon parvulum, Pseudocloeon sp. A, Pseudocloeon sp. B, Pseudocloeon anoka, Pseudocloeon punctiventris, Acentrella carolina, Siphlonurus minnoi. Eight species are new state records for Missouri: Ephemerella aurivilli, Ephemerella subvaria, Serratella deficiens, Tricorythodes atratus, Paraleptophlebia debilis, Pseudocloeon parvulum, Pseudocloeon anoka, and Acentrella carolina. The most common Ephemeroptera collected from North Fork River were species of Stenonema, Isonychia, Tricorythodes, and Baetis.

Copyright

© Randy J Sarver

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