Scientific illustration of Pheidole caffra (Southern House ant) - showing key identification features including head, thorax, and gaster.

Southern House ant

Pheidole caffra

Monogynous Non-Parasitic Queen No Gamergate
Sci. Name
Pheidole caffra
Tribe
Attini
Subfamily
Myrmicinae
Author
Emery, 1895
Common Name
Southern House ant
Distribution
Found in 5 countries
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Introduction

Pheidole caffra is a dimorphic ant species native to the Afrotropical region, found across central and southern Africa including Nigeria, South Africa, Tanzania, Democratic Republic of Congo, and Eritrea . Minor workers are around 2-3 mm and major workers around 4-6 mm, inferred from Pheidole genus patterns . They nest in soil under rocks or in rotting wood in woodland habitats . This species hosts the beetle Paussus anxius in their nests, a specialized myrmecophile .

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Status by country, from Kass et al. 2022 & Wong et al. 2023

Native Invasive Introduced (indoor) Intercepted Unknown
2000 - 2026

Quick Summary

  • Difficulty: Easy
  • Origin & Habitat: Afrotropical region including Nigeria, South Africa, Tanzania, Democratic Republic of Congo, and Eritrea, found in woodland habitats, nesting in soil under rocks [1][2][3][4].
  • Colony Type: Based on Pheidole genus patterns, likely monogyne with single queen colonies.
  • Size & Growth:
    • Queen: ~7-9 mm, inferred from Pheidole genus patterns [4]
    • Worker: Minor workers ~2-3 mm, major workers ~4-6 mm, inferred from Pheidole genus patterns [4]
    • Colony: Up to several thousand workers, inferred from typical Pheidole colony growth
    • Growth: Moderate
    • Development: Estimated 6-8 weeks at warm temperatures, inferred from Pheidole genus patterns (Development time may vary with temperature and feeding)
  • Antkeeping:
    • Temperature: Keep at 24-28°C, these are tropical ants from Africa. A heating cable can create a gradient
    • Humidity: Keep nest substrate moist but not waterlogged, they nest in soil in woodland areas [4]
    • Diapause: No, tropical species do not require hibernation
    • Nesting: Y-tong or plaster nests work well. Provide some moisture retention [4]
  • Behavior: Pheidole caffra is generally non-aggressive toward keepers. Major workers defend the nest if threatened. They are seed-harvesters and omnivores [4]. Escape risk is moderate, use fine mesh barriers.
  • Common Issues: colonies may decline if kept too cold, maintain warm temperatures., poor escape prevention can lead to escapes., overfeeding can lead to mold, remove uneaten food promptly., founding colonies are vulnerable, queens need quiet, dark locations.

Housing and Nest Setup

You can house Pheidole caffra in various setups depending on colony size. For founding colonies, a test tube setup works well, the queen will seal herself in and raise her first brood there. As the colony grows, move them to a Y-tong nest or a plaster formicarium. These ants prefer some moisture in their nest, so provide a water reservoir or occasional misting [4]. For a naturalistic setup, use a container with soil or sand and place a flat stone on top for nesting under. Ensure excellent escape prevention with fine mesh barriers [4].

Feeding and Diet

Pheidole caffra is an omnivorous seed-harvester. Offer seeds like millet, protein sources like mealworms, and sugar water or honey water. Major workers use enlarged heads to crack seeds, so provide small seeds. Feed protein 2-3 times per week and keep sugar sources available. Remove uneaten food after 24-48 hours to prevent mold [4].

Temperature and Seasonal Care

Keep the nest area at 24-28°C year-round. Use a heating cable or heat mat on one side to create a gradient. As a tropical species, they do not require hibernation. Maintain stable warm temperatures to avoid slowing growth [4].

Colony Growth and Development

Colonies grow from a few workers to several hundred in the first year, then expand to thousands. Major workers appear as the colony matures, serving as seed-crushers and defenders. Queens can live many years in captivity.

Behavior and Temperament

This species is calm and manageable. They are not aggressive toward keepers and rarely sting. When disturbed, major workers may defend the nest mildly. Foragers are active and use chemical trails to recruit nestmates [4].

Frequently Asked Questions

How long does it take for Pheidole caffra to have first workers?

Expect first workers in about 6-8 weeks at warm temperatures (25-28°C), inferred from Pheidole genus patterns [4].

What do Pheidole caffra ants eat?

They are omnivores that accept seeds, protein insects, and sugar sources. Offer small seeds, mealworms, and honey water [4].

What temperature do Pheidole caffra need?

Keep them warm at 24-28°C. As a tropical species, they do not tolerate cool temperatures well [4].

Do Pheidole caffra need hibernation?

No, they are a tropical species and do not require hibernation.

How big do Pheidole caffra colonies get?

Mature colonies can reach several thousand workers, inferred from typical Pheidole growth [4].

Can I keep multiple Pheidole caffra queens together?

This species is likely monogyne based on genus patterns, so combining unrelated queens is not recommended.

What is the best nest type for Pheidole caffra?

Y-tong or plaster nests work well, with some moisture retention [4].

Are Pheidole caffra good for beginners?

Yes, they are considered easy to keep, tolerant of basic care mistakes, and do not require complex setups.

Why are my Pheidole caffra dying?

Common causes include temperatures too low, mold from overfeeding, or stress during founding. Maintain warmth and hygiene [4].

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References

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This caresheet is licensed under CC BY-SA 4.0 .