Witchetty grub

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The witchetty grub (also spelled witchety grub or witjuti grub[1]) is a term used in Australia for the large, white, wood-eating larvae of several moths. In particular, it applies to the larvae of the cossid moth Endoxyla leucomochla, which feeds on the roots of the witchetty bush (after which the grubs are named) that is widespread throughout the Northern Territory and also typically found in parts of Western Australia and South Australia,[2] although it is also found elsewhere throughout Australia.

The term may also apply to larvae of other cossid moths, ghost moths (Hepialidae), and longhorn beetles (Cerambycidae). The term is used mainly when the larvae are being considered as food. The grub is the most important insect food of the desert and has historically been a staple in the diets of Aboriginal Australians.[3]

Witchetty grubs (Endoxyla leucomochla) of the subfamily Zeuzerinae

Terminology

The Arabana term for the grub is mako witjuti (with emphasis on initial syllables); mako means grub, and witjuti refers to the shrub, not the grub itself.[4] Similarly, Ngalea peoples referred to the grub as "mako wardaruka", meaning grubs of the wardaruka (Acacia ligulata) shrub.[5] The Pitjantjatjara name is "maku".[6]

It has been suggested that the word "witchetty" comes from the Adynyamathanha word wityu, meaning "hooked stick", and vartu, meaning "grub". Traditionally, it is rare for people to dig for them.[3]

Description

Hunting for witchetty grubs near Yuendumu, Northern Territory

The different larvae are said to taste similar, probably because they have similar wood-eating habits. Edible either raw or lightly cooked in hot ashes, they are sought as a high-protein food by Aboriginal Australians. The raw witchetty grub tastes similar to almonds,[7] and when cooked, the skin becomes crisp like roast chicken, while the inside becomes light yellow, like a fried egg.[3]

These grubs live in trees. They can also be found in black wattle trees, and are considered to be the reason why wattles die within 10 to 15 years. The roots of the Acacia kempeana shrub are another source of the grubs.[8]

When held, as a defence mechanism, the grubs will secrete a brown liquid.[3]

Cultural significance

Witchetty grubs feature as Dreamings in many Aboriginal paintings.[3]

See also

References

  1. ^ "CSIRO - Witjuti grub".
  2. ^ Marshall Cavendish Corporation (2003). Insects and Spiders of the World. Marshall Cavendish. p. 625. ISBN 978-0-7614-7344-2.
  3. ^ a b c d e Isaacs, Jennifer (2002). Bush Food: Aboriginal Food and Herbal Medicine. Frenchs Forest, New South Wales: New Holland Publishers (Australia). pp. 190–192. ISBN 978-1-86436-816-1.
  4. ^ Tindale, Norman (1952). "On some Australian Cossidae including the moth of the witjuti (witchety) grub". Transactions of the Royal Society of South Australia. 76: 56.
  5. ^ Thurman, Jessa H. (June 2022). "Beyond the pest: Life history, ecology and ethnoentomology of the giant wood moth ( Endoxyla cinereus )". Austral Ecology. 47 (4): 733–747. doi:10.1111/aec.13165. ISSN 1442-9985.
  6. ^ "Mimili". Pitjantjatjara Yankunytjatjara Media. Retrieved 15 March 2020.
  7. ^ "Inevitable insectivores? Not so fast". New Scientist. 219 (2924): 35. 6 July 2013. doi:10.1016/S0262-4079(13)61691-7. Retrieved 3 December 2021.
  8. ^ News, Opening Hours 10am-5pm Mon-Sun10am-9pm WedClosed Christmas Day Address 1 William StreetSydney NSW 2010 Australia Phone +61 2 9320 6000 www australian museum Copyright © 2022 The Australian Museum ABN 85 407 224 698 View Museum. "Witchetty grubs". The Australian Museum. Retrieved 12 September 2022. {{cite web}}: |last= has generic name (help)

External links

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