About Iridomyrmex bicknelli


Australian Species- Black Trail Ant

Temperature: Nest 21- 26°C Outworld 18- 30°

Humidity: Nest 30- 50% Outworld 40- 60%

Hibernation: Yes from the end of October- end of March at 15c- 18c. Can do fine without hibernation but the queen will naturally slow down laying fewer eggs.

Diet: Water- Sugar- Honey water or other. Protein- Insects or other.

Colony form: Mainly Monogyne (one queen per colony) Average 10,000+ workers per colony. Known to have multiple queens per colony in the wild and reach very high worker numbers.

Founding Queen: Fully Claustral (without feeding)

Nest type: Acrylic, ytong, Natural setup.


Sizes: Queen- 7mm- 10mm/ Worker- 2- 5mm


Bite/ Sting/ Formic acid: No


Description: Iridomyrmex bicknelli are known as the black trail ant as they're commonly seen in Australia, forming large trails, following pheromones to and from hot spots.  They are a common species within Australia and are very beginner-friendly. They grow very fast and in the wild, they forage in large numbers. Other ants have to forage around this species to survive. They form large colonies and are very active. Similar to the European Lasius niger but are more exotic, originating from Australia.

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Iridomyrmex bicknelli

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