Lobetina plagiata Prasonica plagiata is a species of Araneidae that is endemic to New Zealand.

[1] This species was described as Lobetina plagiata in 1917 by Raymond Comte de Dalmas.

[1] The genus Lobetina was recognised as a synonym of Prasonica in 1971, so the species is now known by the name Prasonica plagiata.

[2] The body is recorded at 5 mm (0.20 in) in length.

[1] Under the New Zealand Threat Classification System, this species is listed as "Data Deficient" with the qualifiers of "Data Poor: Size" and "Data Poor: Trend".