The Phasmid: Lord Howe Island’s large stick insect.

lord_howe_island_stick_insect_dryococelus_australis_10june2011_palmnurseryThe Lord Howe Island phasmid (stick insect) is the world’s rarest insect and the entire population was limited to one bush on a remote sea stack.
Image Credit: Granitethighs/Wikimedia
by Becky Crew
FOR AN INSECT to be otherwise known as a ‘land lobster’, you know it’s got to be seriously big. The Lord Howe Island stick insect (Dryococelus australis) is a flightless, nocturnal insect that stretches up to 12cm long, and weighs 8-9g.
During the 19th century, this large insect prowled Lord Howe Island in such numbers that fishermen would use them as bait.
But then mice were introduced to the island, followed by black rats in 1918, and they made such a meal of these insect that by 1920 not a single one was recorded on the island.
By 1960 they were officially proclaimed extinct.
But in the late 1960s, sightings of stick insect remains were reported on Ball’s Pyramid – a volcanic remnant that sits 20km away.
Said to be the tallest volcanic stack in the world, Ball’s Pyramid is about 550m high, around 300m wide and 1 km long. It’s so narrow that there’s no way anyone can land a boat on it.
Instead, you have to anchor your boat in the ocean, launch yourself onto the vertical pyramid wall and climb your way up.
Many reckless explorers risked their lives to find a Lorde Howe Island stick insect here and bring the species back from the dead.
Read more via Lord Howe Island stick insect phasmid – Australian Geographic.

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