San Diego County, California, US
They are red and have a white-and-red striped ball-shaped abdomen.
Possibly Macrotermes sp.
This might have been the largest termite soldier I've ever seen.
This massive termite mound stands about 270 cm high, and is built on a slightly elevated portion of the Kwando River marsh.
One of many termites found in log detritus
Photo by Mike "Troll" Dame
Termites are a group of eusocial insects that, until recently, were classified at the taxonomic rank of order Isoptera (see taxonomy below), but are now accepted as the infraorder Isoptera, of the cockroach order Blattodea. While termites are commonly known, especially in Australia, as "white ants", they are for practical purposes unrelated to the ants (although they are prey to some ants, including the acrobat ant).