Fauna
Insect

Red Bull Ant

Myrmecia gulosa

Also known as Giant Bull Ant, Bulldog Ant, Australian Bull Ant

Red bull ants are formidable solitary hunters equipped with acute eyesight that allows them to track intruders up to two meters away. Workers forage individually for invertebrate prey and tree sap, subduing targets with powerful mandibles before curling their abdomen to administer a potent sting. Colonies nest underground in sprawling subterranean labyrinths, aggressively swarming outward to protect their mound when vibrations signal a disturbance.

VenomousPredatoryDiurnal
Red Bull Ant reference
(c) Tony Eales, some rights reserved (CC BY-SA), uploaded by Tony Eales · cc-by-sa
—observations
—countries
—peak records
Not EvaluatedConservation statusIUCN Red List categoriesLCNTVUENCREWEXNot Evaluated — not placed on the risk ladderRed List categories, explained →
Key facts
Diet & preyInsects, Spiders, Nectar and Sap
Predators
  • Short-beaked Echidna
  • Birds
  • Blind Snakes
ThreatsUrban sprawl, deforestation, and widespread insecticide application
HabitatsEucalypt woodlands, coastal heaths, and sclerophyll forests
Life spanWorkers 1–2 years; queens over 10 years
Classification
  1. FamilyFormicidae
  2. SpeciesMyrmecia gulosa
Range & activity
Range data is not available yet.
Safe observation
Interaction riskVery high
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is very high
Delivers an agonizing sting and strong bite; watch your footing and keep clear of nest mounds.
Why it is dangerous
Venom contains histamine and protein toxins that cause severe localized burning pain, tissue inflammation, and potential systemic anaphylaxis.
How to recognize a risky encounter
Recognizable by its large orange-red thorax, black gaster, massive forward-pointing serrated jaws, and prominent black eyes.
What to do
Never attempt to handle or capture by hand; freeze and retreat backward if workers elevate their front legs in a threat posture.
Responsible observation
  • Nest Awareness: Scan the ground in sandy woodland clearings to avoid stepping on nest entrances.
  • Footwear Selection: Wear sturdy boots and thick socks when bushwalking through southeastern Australian scrub.
  • Give Space: Back away steadily if an ant rears up and faces you, as it is preparing to charge.
Related species
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