Acrophylla titan
Acrophylla titan | |
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2nd last instar | |
File:Pinned Titan stick insect.JPG | |
Adult female (pinned specimen) | |
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Species: | A. titan
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Binomial name | |
Acrophylla titan Macleay, 1827
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The titan stick insect (Acrophylla titan) is the longest stick insect found in Australia. It is endemic to south-east Queensland and New South Wales. Titan stick insects are pale brown-grey in colour and can grow up to 30cm in length. The females can be easily identified as being larger than the males. Males are able to fly but females are not.
Breeding
Titans breed during winter/summer. During the mating process, the male connects his abdomen to the lower part of the female's egg compartment. Mating can take up to 40mins and is repeated several times. The female will end up with a fat abdomen and will produce a lot of eggs (200 to 1000) in her life time.
The females then flick their eggs to the ground. The eggs look like those of the children's stick insect, but they are black-grey with a small white growth. Ants pick them up and eat the growth, and leave the egg in the refinery where they hatch.