T.E.R:R.A.I.N - Taranaki Educational Resource: Research, Analysis and Information Network


Earwig (Native) Nesogaster halli

Kingdom: Animalia
Phylum:   Arthropoda 
Class:      Insecta           
Order: Dermaptera
Family: Spongiphoridae  (Little earwigs)
Genus: Nesogaster
Species: N. halli
Binomial name: Nesogaster halli

Nesogaster halli is a small species of native earwigs.
There are over 20 native species in New Zealand.
The male of the species is the colour brown, shining and is almost hairless. It has body length of 5-6 mm, excluding the forceps which are 2-3 mm long.
Wing scales prominent, nearly as long as pronotum (the dorsal plate of an insect's prothorax (the dorsal plate of an insect's prothorax). The posterior portion of head is brown.
There is a dark brown mark between each eye.
The female agrees with male in almost all characters except that the head is solidly dark brown, the pronotum is dark brown with the lateral areas lighter. The female’s body length is 6-8 mm, excluding the forceps which are only 2mm long.

Males have the longer forceps




Females have the shorterr forceps






Juvenile.