Alice Springs Fauna •
Alice Springs True Bugs (Heteroptera)Eucalyptus Tip-wilting Bug Ground Shield Bug (Choerocoris paganus) Ippatha australiensis Poecilometis patruelis (Shield Bug) Soapberry Bugs, Leptocoris sp Spilostethus sp Water Scorpion
Known as the Eucalyptus Tip-wilting Bug (Amorbus alternatus), goes through a number of instar stages before developing into the adult of the species. Their other common name is Gumtree Tip-wilter Bug, as the name suggested, is where they are often found.
Whilst the adult of the Eucalyptus Tip-wilter Bug are mainly dark brown in colour, with light brown and orange on the legs and antennae. Along the edges of the abdomen they have alternating brown and yellow pattern. The nymphs are different in that they are a colourful orange, with bright blue patterns (sometimes an yellow-orange to pink). Both adults and nymphs can release strong repellent odour when disturbed.
As they grow, the nymph (the juvenile) stages of moulting the skin, a process referred to as an “instar”. In some Amorbus sp, these instars can involve some dramatic colour changes, appearing to be different species.
Also see Insects > Stink Bugs, Shield Bugs and Allies | Amorbus | Amorbus alternatus
- Scientific classification
- Kingdom: Animalia
- Phylum: Arthropoda
- Subphylum: Hexapoda
- Class: Insecta
- Informal: Pterygotes
- Order: Hemiptera
- Suborder: Heteroptera
- Infraorder: Pentatomomorpha
- Superfamily: Coreoidea
- Family: Coreidae
- Subfamily: Coreinae
- Tribe: Amorbini
- Genus: Amorbus
- Species: Amorbus alternatus
Footnote & References
- Eucalyptus Tip-wilter Bugs – Tribe Amorbini, Brisbane Insects and Spiders, http://www.brisbaneinsects.com/brisbane_coreidbugs/Amorbini.htm
- Amorbus Dallas, 1852, Atlas of Living Australia, https://bie.ala.org.au/species/https://biodiversity.org.au/afd/taxa/8a14795b-f915-43a1-93c9-16dba4c195ac
- Genus Amorbus – observation listed on iNaturalistAU, https://inaturalist.ala.org.au/observations/142352905
- Amorbus alternatus, iNaturalistAU, https://inaturalist.ala.org.au/taxa/510505-Amorbus-alternatus
Alice Springs True Bugs (Heteroptera)Eucalyptus Tip-wilting Bug Ground Shield Bug (Choerocoris paganus) Ippatha australiensis Poecilometis patruelis (Shield Bug) Soapberry Bugs, Leptocoris sp Spilostethus sp Water Scorpion
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