Plecoptera

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Plecoptera

the insect order containing the stoneflies, which are hemimetabolous and similar to mayflies.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
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Worldwide, biometric research on plecopterans has mainly involved obtaining linear measurements to determine growth in immature stages (larvae) for life-cycle and secondary production analyses (e.g., Sheldon 1969, 1980; Schmidt and Tarter 1985; Lillehamnur et al.
Among the shredders displaying significant changes were plecopterans (Peltoperlidae and Leuctra spp.) and trichopterans (Lepidostoma spp.
Additional studies show that larval caddisflies increased rates of drift in the presence of predatory fish and plecopterans (Fairchild and Holomuzki, 2005) and increased the use of refuges when exposed to chemical cues from plecopteran predators (Gall and Brodie, 2009).
Macroinvertebrate taxa richness varied among sampling sites (mean = 15.04; range, 3 to 29), especially Ephemeropteran, Plecopteran and Trichopteran (EPT) taxa richness (mean = 4.48; range, 0 to 11).