Plecoptera

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Plecoptera

the insect order containing the stoneflies, which are hemimetabolous and similar to mayflies.
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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.
Dipteran shredders (all Tipulidae) increased from 63 to 89% of total shredder biomass, trichopteran shredders decreased from 27 to 3%, and plecopteran shredders decreased somewhat less during the first 3 yr of litter exclusion.
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).
04; range, 3 to 29), especially Ephemeropteran, Plecopteran and Trichopteran (EPT) taxa richness (mean = 4.