Word Origin and History for evolve Expand. v. 1640s, to unfold, open out, expand, from Latin evolvere to unroll, especially of books; figuratively to make clear, disclose; to produce, develop, from ex- out (see ex-) + volvere to roll (see volvox).
The largest of the ants, and the heaviest species of the order, are the females of Dorylus helvolus, reaching a length of 5 cm (2.0 in). The ant that averages the largest for the mean size of the whole colony is Dinoponera gigantea, averaging up to 3.3 cm (1 1â4 in). Another ant that is native to Australia, Myrmecia brevinoda, workers are reported to be 3.7 cm (1.5 in) on average and queens are more than 4 cm (1.6 in) in length.
Most dangerous ant. The most dangerous ant in the world is the bulldog ant (Myrmecia pyriformis) found in coastal regions in Australia. In attack it uses its sting and jaws simultaneously. There have been at least three human fatalities since 1936, the latest a Victorian farmer in 1988.