Mormolyce phyllodes
In 3 days ~30% in a week ~60%
Mormolyce phyllodes, commonly known as the violin beetle, is a species of ground beetles in the subfamily Lebiinae. It is native to Southeast Asia. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Gunung Leuser National Park | 🇮🇩 Indonesia | |
| 2 | Kaeng Krachan National Park | 🇹🇭 Thailand |
With luck
About 10% of wildlife watchers report a Javan Fiddle Beetle sighting in Kaeng Krachan National Park on a given day, based on 20 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 78th most-seen of the 296 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.
December to February
In those months about 20% of wildlife watchers report a Javan Fiddle Beetle in Kaeng Krachan National Park on a given day, against under 5% in August to October, the lowest months. Those are among Kaeng Krachan National Park's driest months, with about 35 mm of rain a month against 260 mm in September.
Between 2 and 5 pm
Across all the parks we cover, that three-hour window holds the most Javan Fiddle Beetle sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 2 parks where we can rate Javan Fiddle Beetle sightings, Kaeng Krachan National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Gunung Leuser National Park (Indonesia, about 10%).
Same family: Carabidae
The closest relatives of the Javan Fiddle Beetle that you can see in Kaeng Krachan National Park (family Carabidae, Ground Beetles) are Golden-Spotted Tiger Beetle (about 10%) and Craspedophorus sublaevis (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Javan Fiddle Beetle is recorded against all the insects logged in Kaeng Krachan National Park (20 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.
