Novalaetesia anceps is a species of sheet weaver endemic to New Zealand.[1]
This species was described in 1988 by Alfred Frank Millidge from a female specimen. The holotype is stored in the Auckland War Memorial Museum under registration number AMNZ5062.[2]
The female is recorded at 1.65mm in length. This species has a yellow brown carapace with dark markings. The legs are pale yellow brown. The abdomen is black dorsally with white blotches.
This species is only known from Mangonui in Northland, New Zealand.
Under the New Zealand Threat Classification System, this species is listed as "Relict" with the qualifier of "One Location".[3]