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

Pheidole dolon

Non-Parasitic Queen No Gamergate
Sci. Name
Pheidole dolon
Tribe
Attini
Subfamily
Myrmicinae
Author
Wilson, 2003
Distribution
Found in 4 countries

Introduction

Pheidole dolon is a small rainforest ant native to the Amazon basin in South America. Minor workers are dark brown to nearly black with yellowish legs, but exact body size data is unavailable as no total length measurements exist . This species belongs to the distorta group and is known for its long propodeal spines, which inspired its name 'dolon' (Greek for dagger) . Only the minor worker caste has been described, and soldiers have not been documented in available specimens . These ants inhabit lowland tropical rainforests up to 450 meters elevation, where they forage in leaf litter and on the forest floor .

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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: Medium
  • Origin & Habitat: Found across the Amazon basin in Bolivia, Brazil, Colombia, French Guiana, and Peru. Inhabits lowland tropical rainforest environments up to 450m elevation, typically collected from leaf litter in liana and transition forests [1][3][2][4].
  • Colony Type: Colony structure is unconfirmed. Based on typical Pheidole genus patterns, likely single-queen colonies, but this has not been directly documented for this species.
  • Size & Growth:
    • Queen: Size data unavailable, no measurements exist for queens
    • Worker: Size data unavailable, no total length measurements exist for workers
    • Colony: Unknown, no colony size data available
    • Growth: Unknown, no development studies exist
    • Development: Estimated 4-8 weeks based on typical tropical Pheidole species, but no direct data for this species (Development likely depends on warm, humid conditions typical of tropical rainforests)
  • Antkeeping:
    • Temperature: Keep warm at 24-28°C. As a tropical rainforest species, they require stable temperatures[1]
    • Humidity: Keep substrate consistently moist but not waterlogged, with some drier areas available. These leaf-litter ants need high humidity[1]
    • Diapause: No, tropical species from lowland Amazon do not require hibernation
    • Nesting: Y-tong (AAC) or plaster nests work well for these tiny ants. Provide a moisture reservoir to maintain humidity
  • Behavior: Active foragers that search through leaf litter and upper soil layers. Minor workers are small but persistent, likely using chemical trails for recruitment. Their tiny size means escape prevention is critical, they can squeeze through small gaps [1].
  • Common Issues: escape prevention is critical due to their very small size, use fine mesh and tight-fitting lids, high humidity requirements can lead to mold if ventilation is inadequate, lack of documented colony data means keepers are working with estimates, monitor colony response closely, tropical species may struggle if temperatures drop below 22°C, no soldier caste documented, this may affect how they handle larger prey items

Housing and Nest Setup

You should use Y-tong (AAC) or plaster nests for Pheidole dolon because their small size requires tight chambers and narrow passages. For the outworld, use a container with smooth walls and apply Fluon or similar barrier to prevent escapes. Ensure all lids fit tightly and use fine mesh on ventilation holes. A small water tube connected to the nest helps maintain humidity [1].

Feeding and Diet

These ants are generalist foragers that collect small insects and honeydew in leaf litter. Offer small protein sources like fruit flies or tiny crickets, and sugar sources like honey water. Feed 2-3 times per week, removing uneaten food after 24 hours to prevent mold. Since only minor workers are known, cut prey into small pieces [1].

Temperature and Humidity Management

Maintain temperatures between 24-28°C year-round using a heating cable on top of the nest. Keep humidity high with moist substrate, but avoid waterlogging. Check substrate regularly and rehydrate when dry [1][2].

Colony Development and Expectations

Growth rate is unknown, but based on related species, expect slow development. Colonies may remain small, but no size data exists. Be patient during founding, queens may seal themselves in for weeks before workers emerge [1].

Frequently Asked Questions

How long does it take for Pheidole dolon to produce first workers?

The exact timeline is unknown. Based on typical tropical Pheidole development, estimate 4-8 weeks from egg to worker at 24-28°C.

What do Pheidole dolon ants eat?

They are generalist foragers. Offer small protein like fruit flies and sugar sources like honey water. Remove uneaten food within 24 hours [1].

What temperature do Pheidole dolon ants need?

Keep them at 24-28°C year-round. As a tropical species, they do not tolerate cool temperatures[1].

Are Pheidole dolon ants good for beginners?

They are rated as medium difficulty due to escape risk and humidity needs, but manageable for intermediate keepers.

How big do Pheidole dolon colonies get?

Colony size is not documented. Based on small worker size, colonies likely reach several hundred workers.

Do Pheidole dolon need hibernation?

No. As a tropical species, they do not require hibernation.

What humidity level do Pheidole dolon require?

Keep substrate consistently moist but not waterlogged, with some drier areas[1].

Can I keep multiple Pheidole dolon queens together?

This has not been documented. Based on typical Pheidole behavior, they are likely single-queen colonies.

Why are my Pheidole dolon escaping?

Their tiny size allows them to squeeze through small gaps. Use fine mesh, apply Fluon, and check all lids daily [1].

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References

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This caresheet is licensed under CC BY-SA 4.0 .