
1) Colonial soldier 2) Insect in a marching column 3) Insect named for its raids 4) Little fighter 5) Little raider 6) Long-legged predator 7) Marching insect 8) Member of a predatory colony 9) Member of a tropical column 10) Rapacious swarming insect 11) Swarming insect 12) Tiny soldier with six legs
Found on
https://www.crosswordclues.com/clue/army-ant

The name army ant (or legionary ant or marabunta) is applied to over 200 ant species, in different lineages, due to their aggressive predatory foraging groups, known as `raids`, in which huge numbers of ants forage simultaneously over a certain area.{cn|date=September 2014} Another shared feature is that, unlike most ant species, army ants do no.....
Found on
http://en.wikipedia.org/wiki/Army_ant

(from the article `social behaviour in animals`) The ferocious defense of the nest by wasps and hornets avails them little, however, against the onslaughts of marauding hordes of army ants (tribe ... One of the most complex associations is that of animals around army and driver ants. In the huge colonies of army ants live dozens of othe...
Found on
http://www.britannica.com/eb/a-z/a/103

[
n] - tropical nomadic ant that preys mainly on other insects
Found on
http://www.webdictionary.co.uk/definition.php?query=army%20ant
driver ant noun tropical nomadic ant that preys mainly on other insects
Found on
https://www.encyclo.co.uk/local/20974

any of the chiefly tropical ants of the suborder Dorylinae that travel in vast swarms, preying mainly on other insects. Also called
Found on
https://www.infoplease.com/dictionary/army-ant
No exact match found.