[2] It is widespread in Australia, New Zealand, and Pacific Islands such as New Caledonia and Vanuatu.

[3] Adults of the species are 7.5–10 mm (0.30–0.39 in) long, and are typically nocturnal.

[1] The Tasmanian Brown Lacewing breeds all year round, surviving at temperatures as low as 5 °C (41 °F).

[1] The species typically has clear wings and a brown body.

[4] The species can be differentiated from Micromus bifasciatus by the spotted pattern on the species' anterior wings, compared to the brown transverse bands found on Micromus bifasciatus.