Sep 26, 2018 · The workers of Oecophylla smaragdina belong to two classes in terms of size, a bigger one, of 8-10 mm and one smaller, of about one half. In an adult colony do not exist individuals of intermediate size. The queen, the biggest, reaches the 20-25 mm, is winged but loses the wings after the mating. The males, smaller, are winged.