the world > animals > invertebrates > phylum Arthropoda > class Insecta > subclass Pterygota > [noun] > division Exopterygota or Hemimetabola > order Plecoptera > member of (stone-fly) (5)
stone-flya1450
An insect of the family Perlidæ, whose larvæ are found under stones in streams; esp. Perla bicaudata, much used (in the larval or the perfect…