Phasmids - Extatosoma tiaratum

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Species: Extatosoma tiaratum (PSG 9).

Common Name: Macleay’s Spectre, E.T.

Size:  Maximum: Males, 9cm. Females, 12cm.

Breeding: Sexual, parthenogenetic without males.

Eggs: This species lays up to 200 eggs approx., which are catapulted to the floor. A hatch rate of up to 60% can be expected, but will be a lot lower for eggs that were laid parthenogenetically.  Hatching can take between 7 and 12 months.

Food: Bramble, Eucalyptus, Oak, even beech has been used on occasion.

Humidity: Light to medium spray once every one or two days. Nymphs appreciate less, a light spray every three days.

Comments: A lovely bulky insect that is easy to handle and inquisitive. Both sexes are normally brown, although they can also be straw coloured and even green on occasion. The male is the only sex to have wings and is able to fly, although in my experience I find them reluctant. Both have the ability to release a pungent smell if surprised or handled roughly although this is not harmful.

There have been problems with raising this species past nymph stage, most likely due to in-breeding, so out-breeding has been taking place to try to rectify this. I myself have suffered from this problem, along with a few of the PSG members, but I am glad to say that recent cultures in the last two years have been much stronger and appear to be problem free.

Adult male    Adult female    Adult female    Adult female   

Male nymph    Female nymph    Female nymph    L2 nymphs

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