Myrmecia nigriceps


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Myrmecia nigriceps Care Sheet

The Myrmecia nigriceps, commonly known as the black-headed bulldog ants, are a fascinating species belonging to the Myrmeciinae family. Native to Australia, this species is particularly known for its distinctive physical characteristics and aggressive behavior. Myrmecia nigriceps are renowned for their aggressive behavior. These ants are primarily diurnal, meaning they are active during the day. They mainly hunt insects and other small invertebrates, but they also consume a lot of sugary liquid. The workers forage for food, often alone, which is atypical compared to other ant species that generally hunt in groups. There is no need to bother with heating them; they thrive well at room temperature where the mortality rate is statistically much lower, although already very low in this species that favors the quality of queens over quantity. As with all Myrmecia, a well-ventilated foraging area is recommended so that humidity can escape. This species will do very well in cave-type nests. Generally, do not put Myrmecia in anything other than a tube, a cellular concrete nest, or an evaporation nest, as these are the only ones that suit them.

General Information:
Care Level: difficult
Geographic Distribution: Australia
Origin: Australia
– Queen Size: 22-24mm
– Worker Size: 18-20mm
– Polygyne: no
– Mature Colony Size: around 10,000 workers


Maintenance Information:
Humidity: 30-60%
Temperature: 20-26°C (ideal at 24°C)
Diapause: No (stop heating them in winter)
Ant Farms: Tube, cellular concrete, or evaporation (e.g., Cave models)
Food: insects, sugary liquid

The Myrmecia nigriceps colonies and queens we sell are all guaranteed 100% to arrive alive, with a healthy brood and a clean test tube.


Discover what the colony you are going to buy looks like on our YouTube channel.

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Number of queens

1 injured queen (leg), 1 queen, 1 queen extra red, 1 queen orange, 2 queens, 3 queens, 4 queens, 5 queens, 6 queens, 7 queens, 8 queens, 9 queens, 10 queens, 20 queens

Number of workers

0 workers, 1-3 workers, 3-6 workers, 4-8 workers, 5-10 workers, 6-12 workers, 10-20 workers, 15-30 workers, 25-50 workers, 30-60 workers, 40-80 workers, 50-100 workers, 100-200 workers, 100-150 workers, 150-200 workers, 250-500 workers


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