the world > animals > invertebrates > phylum Arthropoda > class Insecta > subclass Pterygota > [noun] > division Exopterygota or Hemimetabola > order Hemiptera > suborder Heteroptera > family Hydrometridae > member of (2)
Any of various predatory heteropteran bugs of the family Hydrometridae, esp. the genus Hydrometra, having a long narrow body with fragile legs and…
a predatory aquatic heteropteran bug of the family Hydrometridae, with a long narrow body and fragile legs with which it walks on the surface film…