the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [noun] > subclass Malacostraca > division Arthostraca > order Isopoda > family Oniscidae or genus Oniscus > organ in wood-louse (1)
pseudotrachea1869
a fine ridged food channel on the ventral surface of the labellum in many flies; (also) an air-filled tubule in certain woodlice which resembles an…