Ischyroplectron isolatum Hutton, 1897
A relatively large and robust species.
Body length: Male: 26 mm. Female: 28 mm.
Ovipositor: 19 mm. Antennae: 32 mm.
Leg: body ratio
Fore: 1.5 : 1 = 39mm.
Mid: 1.5 : 1 = 39 mm.
Hind: 2.5 : 1 = 65 mm.
Locality: Bounty Islands. It is not known whether the species occurs on all islands of the archipelago, but is confirmed from Proclamation Island.
Habitat: Under rocks that regularly receive sea spray. Found on dead seabirds at night.