Laetesia trispathulata is a species of sheet weaver spider found in New Zealand.

[1] This species was described as Linyphia trisphathulata in 1886 by Arthur Urquhart from female and male specimens.

[3] The female is recorded at 2.7-3.3mm in length whereas the male is 3.3mm.

This species has a pale brown carapace with a medial band.

[3] Under the New Zealand Threat Classification System, this species is listed as "Not Threatened".