Camponotus singularis
This is the soldier version of the species. The head is enormous and very intimidating, but the ant is not aggressive, at least towards me. Whenever you see a few workers around the bush, one or two of these soldiers will not be far away. A most impressive sight.
Location is Bandung, West Java, Indonesia. Alongside a stream and paddy fields.

Camponotus singularis is a red-headed Asian ant species. They feature large workers and since they are polymorphic, there are three castes of workers.
Similar species: Wasps, Bees, Sawflies And Ants
By Vodkaman
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Uploaded Apr 10, 2016. Captured Sep 27, 2012 08:37 in Jl. Lavender No.8, Ciwaruga, Parongpong, Kabupaten Bandung Barat, Jawa Barat, Indonesia.