Petalura ingentissima

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Petalura ingentissima
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Hexapoda
Order: Odonata
Family: Petaluridae
Genus: Petalura
Species: P. ingentissima
Binomial name
Petalura ingentissima
Tillyard, 1908

Petalura ingentissima, the giant petaltail, has been described as the world's largest dragonfly, with a wingspan of 160 mm.[1] It is found in Queensland, Australia.

Dr R.J. Tillyard described the giant petaltail in 1908. Its species name is derived from the Latin adjective ingens "huge". It is one of five species in the Australian genus Petalura.[2]

A large heavily built dragonfly,[2] the giant petaltail has a black body with some yellow markings.[3] The female's wingspan can be 158-162 mm and body length 125 mm, the largest dragonfly species in overall dimensions although members of the genus Tetracanthagyna can have longer wings and Chlorogomphus papilio a larger wing area.[4]

Measuring 5.-6.3 cm long,[3] the larvae are unusual in that they live in burrows along the river margin and hunt passing prey.[2]


  1. ^ "Petalura ingentissima Tillyard". CSIRO website. CSIRO. 19 September 2004. Retrieved 14 May 2013. 
  2. ^ a b c "Petaluridae". What Bug is That - The Guide to Australian Insect Families. CSIRO. 2013. Retrieved 14 May 2013. 
  3. ^ a b Günther Theischinger, John Henry Hawking (2006). The complete field guide to dragonflies of Australia. Csiro Publishing. p. 110. ISBN 0643090738. 
  4. ^ Silsby, Jill (2001). Dragonflies of the World. Csiro Publishing. p. 37. ISBN 0643065121. 

External links[edit]

List of dragonflies of Australia