eTawau > Insects of Borneo > Ants > Polyrhachis > Ladang Table, 2015
Field record · Hymenoptera: Formicidae: Formicinae
One worker on a broad leaf in low afternoon sun, Ladang Table, 13 July 2015, 17:07–17:10; not measured; genus Polyrhachis, species not determined
Photos 1–3 cropped and reduced from the photographer's files, photo 4 reduced whole; nothing else changed. Flash on photo 4 only.
| Date | Monday 13 July 2015 |
|---|---|
| Time | 17:07–17:10, late afternoon, low sun |
| Place | Ladang Table, Merotai, Tawau, Sabah: the oil palm plantation and the patch of old rubber trees left inside it; the record does not say which of the two |
| Substrate | The upper side of a broad green leaf, above leaf litter |
| Behaviour | Stood almost still. The photographer notes that most ants keep moving non-stop; this one stayed on the same leaf through 26 frames over about two and a half minutes |
| Number | One, a worker |
| Colour | Abdomen glossy black; head and thorax black under short golden hairs; legs and antennae black |
| Size | Not measured |
| Camera | Canon IXUS 145, 26 frames, 17:07:41–17:10:10; flash on the first frame only |
| Afterwards | Photographed and left where it was |
| Observer | Wong Fook Yee |
| iNaturalist | observation 407753265 |
Genus Polyrhachis was given by identifiers on iNaturalist. Spines on the waist and the thorax separate the spiny ants from Camponotus, which has none. Many black Polyrhachis carry golden hairs, and Borneo has about 98 recorded species in the genus, so the species is left open.
What would move it: a sharp straight side view and a top view of the thorax and waist, showing the number, length and direction of the spines.
The same day, the photographer's spider list records a nursery-web spider, Sphedanus, at "TABLE" (spiders of Borneo). That morning, with another camera, he photographed a stalk-eyed fly and a spiny stick insect at Bukit Gemok. Compare the black spiny ant on dead wood, Tawau Hills, September 2015, which has no golden hairs.
Related: Ants of Tawau and Borneo ·
Fish Hook Ant ·
Spiny ant on dead wood, 2015 ·
Old Rubber Plantation, Ladang Table ·
Two pairs of wings
Photographs © Wong Fook Yee. Place, behaviour and number are the photographer's own; times from the camera; genus from iNaturalist. The original photo files are named "GeorgeMaisTrail_2015"; the place is Ladang Table, as the photographer recorded it. Record page written 12 October 2026.