Micromus tasmaniae
In 3 days ~20% in a week ~40%
Micromus tasmaniae, known as the Tasmanian brown lacewing, is a species of brown lacewing in the family Hemerobiidae. It is widespread in Australia, New Zealand, and Pacific Islands such as New Caledonia and Vanuatu. Adults of the species are 7.5–10 mm (0.30–0.39 in) long, and are typically nocturnal. The lacewing's lifespan is temperature dependent (higher temperatures causing shorter larval stages). The Tasmanian Brown Lacewing breeds all year round, surviving at temperatures as low as 5 °C (41 °F). The species typically has clear wings and a brown body. 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.
The lacewings feed on nectar, as well as aphids and psyllids. The species is found widely across Australia, and is likely the most common species found in both Australia and New Zealand. The species has been established in New Zealand since at least 1869, and has been identified in remote areas of the country, including the Chatham Islands, Auckland Islands, Antipodes Islands and Kermadec... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Grampians National Park | 🇦🇺 Australia | |
| 2 | Great Otway National Park | 🇦🇺 Australia | |
| 3 | Blue Mountains National Park | 🇦🇺 Australia | |
| 4 | Springbrook National Park | 🇦🇺 Australia |
With luck
About 10% of wildlife watchers report a Tasmanian Brown Lacewing sighting in Blue Mountains National Park on a given day, based on 19 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 225th most-seen of the 789 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
August
In that month about 20% of wildlife watchers report a Tasmanian Brown Lacewing in Blue Mountains National Park on a given day, against under 5% in January–February and June, the lowest months. That is one of Blue Mountains National Park's driest months, with about 50 mm of rain against 150 mm in March.
Between 7 and 10 pm
Across all the parks we cover, that three-hour window holds the most Tasmanian Brown Lacewing sightings with a recorded time, and about 8 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.
Among the best
Of the 4 parks where we can rate Tasmanian Brown Lacewing sightings, Blue Mountains National Park ranks 3rd at about 10%, level with the leaders once rounded. The best odds are in Grampians National Park (Australia, about 10%) and Great Otway National Park (Australia, about 10%).
Same order: Neuroptera
The closest relatives of the Tasmanian Brown Lacewing that you can see in Blue Mountains National Park (order Neuroptera, Antlions, Lacewings, and Allies) are Blue Eyes Lacewing (about 10%) and Diamond-Banded Lacewing (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Tasmanian Brown Lacewing is recorded against all the insects logged in Blue Mountains National Park (19 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
