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The giraffe necked weevil is named for the long neck which is colored black. At the top of the neck is the head which features two eyes and a pair of antennae which project out from it. Males have a much longer neck than females sometimes by three times as much.
Males have this longer neck for use in combat across other males.
A pair of males will fight for mating rights with a female. She may wait close by while they duel using their long necks and then mates with the winner. On a rare occasion these fights may end in death for one of the parties.
The female deposits a single egg on a leaf and then rolls this up to provide protection to the egg and gives it its first meal upon hatching. Once this role is completed they will cut the tube so it falls to the forest floor.
After hatching the giraffe necked weevil is a yellowish larva which feeds on the leaf it was wrapped in. It will then undertake a pupation to become an adult weevil.