Egg to ant Black garden ant
lasius niger nest
lasius niger have 4 stages of development: egg, larva, pupa, , adult. lasius niger lay tiny, white, kidney-shaped eggs smooth sticky surface helps them carried in group instead of 1 one. after hatching lasius niger proceed onto larva stage resembling tiny maggots. larvae need fed queen (or workers in case of established colony) if mature; feed larvae grow, shedding skin, doing 3 times in total. each molt, larvae grow hooked hairs allow them carried in groups. when lasius niger larvae reach last molt big carried part of group , carried singly. once larva grows big enough spins cocoon around itself. aid process queen (or workers) may bury larva can spin cocoon undisturbed, , begin process of metamorphosis. once process complete lasius niger worker emerges cocoon. @ stage lasius niger white darken on course of hour until has turned black.
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