Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Hexapoda
Class: Insecta
Class: Dicondylia
Subclass: Pterygota
Order: Ephemeroptera
Suborder: Furcatergalia
Infraorder: Scapphodonta
Superfamily: Ephemeroidea
Family: Ephemeridae
Subfamily: Icthybotinae
Genus: Icthybotus
Species: Icthybotus hudsoni and Icthybotus bicolor
Mayflies in the genus: Icthybotus are endemic to New Zealand. Icthybotus in the genus of Ephemeridae and is represented by 2 described species, Icthybotus hudsoni and Icthybotus bicolor.
Their larvae have 6 pairs of bifid (split into two parts), plumose gills held over the abdomen. Their mandibles are tusk-like and extending well in front of the head.
Icthybotus hudsoni a burrowing mayfly nymph.
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