Related how?

Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Nephrozoa (Eubilateria)
Protostome (Protostomia)
Ecdysozoa (Ecdysozoan)
Panarthropoda
Tactopoda
Arthropoda (Arthropod)
Mandibulata
Tracheata
Uniramia
Pancrustacea
Hexapoda (Hexapods)
Insect (Insects)
Dicondylia
Pterygota (Pterygote)
Metapterygota
Neoptera
Eumetabola
Paraneoptera
Hemiptera (True bugs)
Heteroptera (True bugs)
Gerromorpha (Semiaquatic bugs)

Hydrometroidea (3787812)

Children (3 direct children, 51 direct and indirect children):

Hydrometridae (tree size 43)
Water measurers

Macroveliidae (tree size 4)
Macroveliid shore bugs

Paraphrynoveliidae (tree size 1)