Ephemeridae
National Institutes of Health
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The known African Ephemeridae presently consists of three genera and seven nominal species. Adults and larvae of Afromera evaesp…
Burrowing-mayfly nymphs such as Hexagenia spp. have been used extensively in North America and Europe as a biomonitoring tool to…
Juvenile freshwater parasitic nematodes Rhabdochona denudata honshuensis Moravec and Nagasawa, 1989 and Rhabdochona coronacauda…
Burrowing mayflies of the genus Hexagenia spp. were widely distributed (ca. 80% of sites) and abundant (ca. 160 nymphs/m2) in the…
Embryogenesis of the mayfly Ephemera japonica is described, with special reference to the abdominal morphogenesis. Cleavage is of…
Hexagenia nymphs are sensitive to hypoxia, and their abundance has been proposed as an ecosystem indicator for assessing the…
Hexagenia nymphs are large sediment burrowers that are sensitive to hypoxia. Major declines in some lake populations have been…
We sampled benthos from the St. Marys River in May 1974 and May 1975 to determine visibly the occurrence of sorpted oil and the…
Abstract The 6 LC50 for nymphs of Hexagenia rigida exposed to permethrin-contaminated water without sediment was estimated to lie…
Based on a detailed morphological study of the family Ephemeridae, a new genus, Litobrancha, is erected to include Litobrancha…