Orbweb spider (Ladder web Spider) Cryptaranea atrihastula

Kingdom: Animalia
Phylum: Arthropoda
Class:  Arachnida
Order: Araneae
Suborder: Araneomorphae
Infraorder:  Entelegynae
Superfamily:  Araneoidea
Family:   Araneidae
Genus:   Cryptaranea
Species:  Cryptaranea atrihastula
Common name: Ladder Web Spider

Cryptaranea atrihastula is a member of the cryptic orb weaver spiders found throughout New Zealand.
Their overall colour can vary. They may be dark brown, green, reddish-brown or black and white.

See photos on http://www.geografpix.co.nz/cryptaranea-atrihastula 

Cryptaranea atrihastula, David Wilson-001.jpg 

Thanks to Wikipedia for text and information: https://creativecommons.org/licenses/by-sa/3.0/