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Lasius niger (Black garden ants)
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Description
Lasius niger – Black Garden Ant (Queen with Colony)
Lasius niger, also known as the Black Garden Ant, is one of the most widespread and beginner-friendly ant species in Europe. This offer includes a fertilized queen with a colony (select the worker count from the options above). If you are new to ant keeping, start with our guide: Ant Keeping Guide for Beginners.
Species Overview
Species: Lasius niger (Black Garden Ant)
Size: Queen 8–9 mm, workers 1–3 mm
Color: deep black, glossy
Distribution: Central and Northern Europe
Natural diet: honeydew, small insects, nectar
Captive diet: honey, protein sources, fruit gels
Hibernation: required (1–3 months)
Temperature: 20–28°C (optimal 22–26°C)
Difficulty: very easy; ideal for beginners
Nesting: soil, turf, sandy areas, cracks in walls
Species Behaviour & Characteristics
Lasius niger is highly adaptable and forms large colonies that can reach several thousand workers. In nature, they build underground nests and sometimes create mound-like structures in grassy areas.
These ants form a famous symbiosis with aphids: workers protect them from predators and in exchange collect their sweet honeydew. In captivity, this species is active, curious, and easy to observe.
You can learn more about caring for this species here: How to Take Care of Ants.
Care Tip for Small Colonies
For small colonies (queen + a few workers), we strongly recommend keeping them in the original test tube until they reach at least 12–15 workers. Moving them to a formicarium too early may slow down growth and stress the queen.
Recommended Formicaria for Lasius niger
1. Cork nests – the best choice for beginners
- imitate their natural environment
- ants love tunneling in cork
- excellent visibility of brood and behavior
- healthy colonies naturally reshape the cork
2. Soil formicaria
- closest to their natural nesting conditions
- allow observation of changing tunnels over time
- visibility is lower due to dark substrate
3. Other nest types
- recommended only for medium/large colonies (500+ workers)
- large colonies stabilize micro-conditions on their own
Important: always hydrate only one section of the nest. Do not soak the entire formicarium. Ants prefer micro-gradients of humidity and will choose their preferred zone.
Feeding Lasius niger – What Do They Eat?
1. Diet in nature
- honeydew (main sugar source)
- small insects and larvae (protein)
- nectar from flowers
- organic leftovers
2. Diet in captivity
Carbohydrates:
- pure or diluted honey
- ant fruit gels
- very small drops of fruit juice
- fresh fruit (in moderation)
Protein:
- dead feeder insects (mealworms, crickets, roaches)
- fish-based food (such as our ground smelt mix)
- boiled egg
- specialized ant protein mixes
To learn more about feeding ants, check our guide: How to feed ants?
What to avoid?
- excess protein (spoils quickly)
- food contaminated with pesticides
- fruit that molds or attracts fruit flies
Always serve food in feeding dishes to keep the setup clean and easy to maintain.
Why Choose Lasius niger?
- extremely easy species for beginners
- very resilient and tolerant of small mistakes
- simple, inexpensive diet
- safe and non-aggressive
- easy hibernation in a fridge (1–3 months)
- wide choice of compatible formicaria
- fast colony growth after the first successful hibernation
Watch the Videos:
▶️ YouTube Shorts – colony activity
▶️ Instagram – close-up footage
▶️ YouTube – Black Garden Ant educational video
▶️ TikTok – test tube cover setup
▶️ TikTok – how to keep a single queen
FAQ (click to expand)
1. What colony size should I choose?
The best starting option is a colony with a queen and several to a dozen workers. Small colonies should remain in a test tube until they reach 12–15 workers.
2. Do Lasius niger require hibernation?
Yes. This species must hibernate for 1–3 months at 6–10°C to maintain long-term colony health.
3. What formicarium is best?
Cork nests are recommended for beginners. Soil nests are also excellent but reduce visibility.
4. Is this a good species for beginners?
Absolutely. It is one of the easiest and most resilient European ant species.
5. How often should I feed protein?
2–3 times per week in small portions. Remove leftovers regularly.
What’s next?
Choose your preferred colony size, add the product to your cart and complete your setup with a suitable formicarium, feeding dishes and protein sources. If you need help, feel free to contact us — we are always happy to assist you on your ant-keeping journey!
Related products
Test tube cover 10 cm
Set of food for ants
Mealworm - 20ml
Honey 1,5 ml
Smelt dried and ground 5g
Dried blood 5g
Basic food for ants
Ground bee pollen
Feeding dish
Watering dish
Jelly food- protein 16 g
Brown jelly food - candy flavor 16 g
Jelly food - honey flavored 16 g
Orange jelly food - pineapple flavored 16 g
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