n.1.(Zool.) Any insect of the genus Perla, or family Perlidæ. See Stone fly, under Stone.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
cascadae at Mack Creek consumed philopotamid caddis flies and ostracods at levels well above their abundance, and heptageniid mayflies and perlid stoneflies well below their abundance (Table 3).
Coexistence of perlid stoneflies (Plecoptera): Predictions from multivariate morphometrics.
The perlid stonefly, Beloneuria sp., decreased in biomass in the treatment stream by 95% in this period.
Influence of rainbow trout (Oncorhynchus mykiss) on density and feeding behavior of a perlid stonefly.
However, Nanocladius branchicolus was previously reported in symphoretic associations with nymphs of the perlid stoneflies Acroneuria abnormis (Newman) (Claassen, 1931; Johannsen, 1937, as Spaniotoma sp.
Hunting behaviour of the perlid stonefly nymph Dinocras cephalotes (Plecoptera) under different light conditions.
Food habits and dietary overlap of perlid stoneflies (Plecoptera) in a tributary of Lake Ontario.