Definition of army ant in English:

army ant

noun

  • A blind nomadic tropical ant that forages in large columns, preying chiefly on insects and spiders.

    Also called driver ant
    • ‘Intricate reticulated patterns appear in the passageways of the fungus gardens of African termite colonies, and in the crisscrossing trails of foraging army ants.’
    • ‘The army ant we were looking for, Neivamyrmex sumichrasti, was first documented by the French naturalist Francois Sumichrast, working at the time in Mexico.’
    • ‘Nature's most voracious predators are wolf spiders and army ants, not polar bears.’
    • ‘Using only a hoe and a large glass of water, I once single-handedly defended a small village in the Amazon Basin from a horde of ferocious army ants.’
    • ‘Just as a city relies on an efficient transportation network, research shows that vast army ant colonies also employ simple mechanisms to organize traffic flow and minimize congestion.’
    • ‘Dusky antbirds neither join in mixed species flocks nor regularly pursue prey displaced by army ants.’
    • ‘Each army ant has a particular smell; some are fruity, some are musky.’
    • ‘Impostor in the nest: a beetle disguised as an army ant eludes capture by ants as well as entomologists - Column’
    • ‘They give the example of the army ant, found in Central and South America, on which no fewer than a hundred species depend, including various beetles, mites, and birds.’
    • ‘Similary, species that follow army ants were more diverse and more abundant in this study in older second-growth and old-growth forest than in the younger site.’
    • ‘Some species of woodcreepers forage by following army ant (subfamily Ecitoninae) swarms to catch the prey that are flushed by the swarms.’
    • ‘But one particular group stands out above all the others and has attained infamy the world over: the army ants and driver ants, sometimes known as ‘killer’ ants.’
    • ‘The average length of the daily raid system of the army ants studied by Burton and Franks was 195 m, and chipmunks forage within 160 m of their burrows.’
    • ‘It wowed the kids, especially when the million Costa Rican army ants were fed their ration of live crickets.’
    • ‘The highlight, though, was our encounter with two army ant swarms, the most-sought after phenomenon in Latin American tropics.’
    • ‘Usually you can sit beside the trails of army ants and watch for guests as the line goes by.’
    • ‘We made films about army ants in 1954 but we were only able to film in the full sunshine and very few things behave in that way.’