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
Endopterygota
Hymenoptera (Ants, bees, wasps and sawflies)
Apocrita
Aculeata
Apoidea (Abejasan)
Spheciformes
Crabronidae
Pemphredoninae
Psenini
Children (4 direct children, 4 direct and indirect children):
Psen ater
Psen monticola
Psen erythropoda
Psen dilectus