Bird-dropping spider (Celaenia dubia)

Kingdom: Animalia
Subkingdom: eumetazoa
Superphylum: Protostome
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Suborder: Araneomorphae
Superfamily: Aaraneoidea
Family: Araneidae
Subfamily: Araneinae
Tribe: Celaenini
Genus: Celaenia
Species: C. dubia
Binomial name: Celaenia dubia
Synonym: Thlaosoma dubium
Common name: It is a member of the Bird-dropping spiders which derive their names from mimicking bird droppings to avoid predators.

Celaenia dubia is a medium sized spider (♀6mm) that is native to New South Wales, Victoria in Australia. This spider emits pheromones that resembling those of female moths. At night the male moths are attracted to this spider's pheromones and captured and eaten. 

The photos below are of a specimen photographed at Makarau in the Rodney District, New Zealand.
Celaenia 1 .jpg  

The view of the abdomen from the rear.
Celaenia 3 .jpg

The spider's underside.
Celaenia 2 .jpg

Thanks to Wikipedia for text and information