Henicopsaltria rufivelum
In 3 days ~20% in a week ~40%
Henicopsaltria rufivelum, commonly known as the jungle grinder, is a large species of cicada native to northeastern Australia. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Daintree National Park | 🇦🇺 Australia |
More parks will be added in future updates.
With luck
About 10% of wildlife watchers report a Jungle Grinder sighting in Daintree National Park on a given day, based on 8 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 567th most-seen of the 856 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.
January
In that month about 30% of wildlife watchers report a Jungle Grinder in Daintree National Park on a given day, against under 5% in February to November, the lowest months. That is one of Daintree National Park's wettest months, with about 380 mm of rain against 50 mm in September.
Between 2 and 5 pm
Across all the parks we cover, that three-hour window holds the most Jungle Grinder sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Only Daintree National Park, in our data
Daintree National Park is the only park on Wallace's Line with enough records to rate Jungle Grinder sightings: about 10% of wildlife watchers there report one on a given day.
Same family: Cicadidae
The closest relatives of the Jungle Grinder that you can see in Daintree National Park (family Cicadidae, Typical Cicadas) are Dodd's Bunyip (about 20%), Marbled Bottle Cicada (about 20%) and Green Fairy (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Jungle Grinder is recorded against all the insects logged in Daintree National Park (8 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.
