Leptomyrmex erythrocephalus
In 3 days ~50% in a week ~80%
Leptomyrmex erythrocephalus is a species of ant in the genus Leptomyrmex. Described by Johan Christian Fabricius in 1775, the species is endemic to Australia and is known as the red-headed spider ant. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Royal National Park | 🇦🇺 Australia | |
| 2 | Blue Mountains National Park | 🇦🇺 Australia | |
| 3 | Booderee National Park | 🇦🇺 Australia |
Possible
About 20% of wildlife watchers report a Red-Headed Spider Ant sighting in Blue Mountains National Park on a given day, based on 107 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 10th most-seen of the 789 insects we can rate there. Over three days the chance rises to about 50%, and over a week to about 80%, if each day is a fresh chance.
May
In that month about 40% of wildlife watchers report a Red-Headed Spider Ant in Blue Mountains National Park on a given day, against about 10% in July, October and December–January, the lowest months. That is one of Blue Mountains National Park's driest months, with about 40 mm of rain against 150 mm in March.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Red-Headed Spider Ant sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 3 parks where we can rate Red-Headed Spider Ant sightings, Blue Mountains National Park ranks 2nd at about 20%, level with the leaders once rounded. The best odds are in Royal National Park (Australia, about 20%).
Same genus: Leptomyrmex
The closest relatives of the Red-Headed Spider Ant that you can see in Blue Mountains National Park (genus Leptomyrmex, Spider Ants) are Leptomyrmex nigriventris (about 20%) and Leptomyrmex cnemidatus (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Red-Headed Spider Ant is recorded against all the insects logged in Blue Mountains National Park (107 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.
