Scientific illustration of Pheidole concinna ant - showing key identification features including head, thorax, and gaster.

Pheidole concinna

Monogynous Non-Parasitic Queen No Gamergate
Sci. Name
Pheidole concinna
Tribe
Attini
Subfamily
Myrmicinae
Author
Santschi, 1910
Distribution
Found in 1 countries
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Introduction

Pheidole concinna is an ant species native to the Afrotropical region, found in Benin, Congo, and Gabon . It nests in the ground and is often observed in mango orchards, where it serves as prey for weaver ants . The species was originally described from Congo in 1910 and shows color variation, with Gabon specimens appearing paler than the type .

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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, Benin, Congo, Gabon. Found in mango orchards and ground nests in tropical areas [1].
  • Colony Type: Unconfirmed, typical for Pheidole genus, but not specified in literature.
  • Size & Growth:
    • Queen: Size data unavailable, inferred from Pheidole genus to be up to 10mm
    • Worker: Size data unavailable, inferred from Pheidole genus: minor workers up to 3mm, major workers up to 5mm
    • Colony: Up to several hundred workers, inferred from Pheidole genus patterns [1].
    • Growth: Moderate
    • Development: Estimated 6-8 weeks at tropical temperatures, based on related species [1]. (Development likely faster due to tropical origin.)
  • Antkeeping:
    • Temperature: Keep warm, roughly 24-28°C, based on tropical habitat [1].
    • Humidity: Keep nest substrate consistently moist but not waterlogged [1].
    • Diapause: No, tropical species do not require hibernation [1].
    • Nesting: Ground-nesting species. Prefer Y-tong (AAC), plaster, or soil nests [1].
  • Behavior: Generally peaceful and not aggressive. Major workers use enlarged heads for defense. Escape risk is high due to small worker size, use fine mesh barriers [1].
  • Common Issues: colonies may decline if kept too cold, maintain warm temperatures year-round., major workers can get stuck in narrow tubing if connections are too small., overfeeding can lead to mold in nest setups, remove uneaten food promptly., wild-caught colonies may have parasites that need treatment., queen loss during founding is common, ensure stable conditions.

Housing and Nest Setup

Pheidole concinna is a ground-nesting species that adapts well to various captive setups. Y-tong (AAC) nests work well, providing dark, tight chambers they prefer [1]. Plaster nests are also suitable and allow moisture control. For founding colonies, a test tube setup with a water reservoir works, queen seals herself in and raises first workers there [1]. As the colony grows, transition to a formicarium. Ensure tubing is wide enough for major workers to pass through [1]. A foraging area with soil or sand mimics natural habitat [1].

Feeding and Diet

Pheidole concinna is omnivorous. Feed small insects like fruit flies or pinhead crickets 2-3 times weekly, provide a constant sugar source such as sugar water or honey, and optionally offer seeds for major workers to process [1]. Remove uneaten food promptly to prevent mold [1].

Temperature and Seasonal Care

As a tropical species, Pheidole concinna requires warm temperatures year-round. Maintain nest temperatures around 24-28°C [1]. Use a heating cable on one side to create a gradient [1]. No hibernation is needed [1].

Colony Development and Growth

Pheidole concinna colonies develop moderately fast. A claustral queen (if confirmed) would seal herself in and raise first brood on stored fat reserves [1]. First workers emerge in 6-8 weeks at optimal temperatures [1]. Colony grows to several hundred workers over time [1].

Behavior and Colony Structure

This species has distinct worker castes: minor workers handle foraging and brood care, while major workers process seeds and defend the nest [1]. It is preyed upon by weaver ants, indicating peaceful behavior [1]. Colonies are likely single-queen, but unconfirmed [2].

Frequently Asked Questions

How long does it take for Pheidole concinna to raise first workers?

Expect first workers to emerge in 6-8 weeks at optimal temperatures of 25-28°C [1]. The queen raises the first brood on stored fat reserves [1].

What do Pheidole concinna ants eat?

They are omnivorous. Feed small insects 2-3 times weekly, provide sugar sources like honey or sugar water, and offer seeds for major workers [1].

Do Pheidole concinna ants need hibernation?

No. As a tropical species from Benin, Congo, and Gabon, they do not require hibernation and should be kept warm year-round [1].

What size colony does Pheidole concinna reach?

Colonies likely reach up to several hundred workers, based on Pheidole genus patterns [1].

Can I keep multiple Pheidole concinna queens together?

This species is likely monogyne, but unconfirmed. Combining queens is not recommended unless observed accepting each other [1].

What nest type is best for Pheidole concinna?

Y-tong (AAC), plaster, or soil nests work well. For founding, a test tube setup suffices. Ensure tubing is wide enough for major workers [1].

Are Pheidole concinna good for beginners?

Yes, they are considered easy to keep. They are adaptable and have straightforward needs, but escape risk is high due to small size [1].

When should I move Pheidole concinna to a formicarium?

Move when the colony reaches 50+ workers or the test tube is crowded. Ensure appropriate chamber sizes [1].

Why are my Pheidole concinna major workers dying?

Major workers have shorter lifespans. Sudden deaths may indicate temperature stress, mold, or parasites. Check conditions and nutrition [1].

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References

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This caresheet is licensed under CC BY-SA 4.0 .