the world > animals > invertebrates > phylum Arthropoda > class Insecta > subclass Pterygota > [noun] > division Exopterygota or Hemimetabola > order Hemiptera > suborder Heteroptera > member of > aquatic bug or tarsal joint of (3)
(a) any of various heteropteran bugs that live in or on water, now regarded as constituting the infraorders Nepomorpha and Gerromorpha; (b) U.S. a…
A shovel-shaped or scoop-shaped structure; spec. one forming an extension of the tarsus of the foreleg in certain aquatic heteropteran insects, used…
the water measurer Hydrometra stagnorum.