Hydraeninae
(tree size 1003)
Tympanogaster
(tree size 87)
Oomtelecopon
(tree size 2)
Decarthrocerus
(tree size 4)
Parhydraenopsis
(tree size 3)
Aulacochthebius
(tree size 11)
Gymnanthelius
(tree size 8)
Micragasma
(tree size 2)
Hughleechia
(tree size 2)
Protochthebius
(tree size 7)
Tympallopatrum
(tree size 4)
Meropathus
(tree size 10)
Ochtheosus
(tree size 2)
Discozantaena
(tree size 11)
Protozantaena
(tree size 5)
Parhydraena
(tree size 19)
Pneuminion
(tree size 9)
Davidraena
(tree size 3)
Coelometopon
(tree size 22)
Gondraena
(tree size 3)
Parhydraenida
(tree size 9)
Hydraenida
(tree size 5)
Homalaena
(tree size 7)
Podaena
(tree size 11)
Mesoceration
(tree size 43)
Parasthetops
(tree size 21)
Sicilicula
(tree size 2)
Pterosthetops
(tree size 12)
Prosthetops
(tree size 8)
Orchymontia
(tree size 14)
Nucleotops
(tree size 4)
Neochthebius
(tree size 2)
Gymnochthebius
(tree size 63)
Edaphobates
(tree size 1)
Ginkgoscia
(tree size 1)
Heptaenida
(tree size 1)
Protosthetops
(tree size 1)
Sebasthetops
(tree size 1)
Ochthebiinae
(tree size 460)
Orchymontiinae
Prosthetopinae
(tree size 6)
Octhtebiinae
Gymnocthebius
(tree size 1)
Octhebiinae
Cobalius
(tree size 1)