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

Pheidole oaxacana

Monogynous Non-Parasitic Queen No Gamergate
Sci. Name
Pheidole oaxacana
Tribe
Attini
Subfamily
Myrmicinae
Author
Wilson, 2003
Distribution
Found in 2 countries
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Introduction

Pheidole oaxacana is a dimorphic ant species with major and minor workers, reported from Mexico and Guatemala . Like all Pheidole, it has two worker castes: majors with enlarged heads and minors for daily tasks. Size data is not available in the research; inferred from Pheidole genus patterns. The dimorphic caste system is a key characteristic, with majors specializing in seed processing and defense.

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

Native Invasive Introduced (indoor) Intercepted Unknown
Data Sources
Year Range 2000 - 2026

Quick Summary

  • Difficulty: Easy
  • Origin & Habitat: Reported from Mexico and Guatemala [1]. Inferred to inhabit tropical and subtropical forest edges and disturbed areas based on genus patterns.
  • Colony Type: Based on Pheidole genus patterns, likely monogyne (single queen colonies).
  • Size & Growth:
    • Queen: Size data unavailable, inferred from Pheidole genus ~8-10 mm.
    • Worker: Size data unavailable, inferred from Pheidole genus: minor workers ~2-3 mm, major workers ~4-6 mm.
    • Colony: Up to several thousand workers, inferred from Pheidole genus patterns.
    • Growth: Fast, inferred from genus patterns.
    • Development: Estimated 6-8 weeks, inferred from tropical species patterns. (Development is faster in warmer conditions.)
  • Antkeeping:
    • Temperature: Keep warm around 24-28°C, inferred from tropical distribution.
    • Humidity: Keep nest substrate consistently moist but not waterlogged, inferred for tropical species.
    • Diapause: No, tropical species do not require hibernation.
    • Nesting: Y-tong or naturalistic nests with secure chambers, inferred from genus preferences.
  • Behavior: Generally calm and not aggressive, inferred from Pheidole genus patterns. Defense mechanism is stinging, as typical for Myrmicinae, but less medically significant. Escape risk is moderate, use fine mesh barriers as they can squeeze through gaps.
  • Common Issues: colonies can outgrow small setups quickly, upgrade nest size proactively., tropical species require consistent warmth, cold drafts can stress colonies., major workers may get stuck in narrow tubing, use appropriately sized connections., wild-caught colonies may contain parasites, quarantine new colonies., seed-eating species need proper grit for gizzard function, provide fine sand.

Species Morphology

Pheidole oaxacana is dimorphic with major and minor workers, as reported in research from Mexico and Guatemala [1].

Housing and Nest Setup

Based on Pheidole genus patterns, use Y-tong or naturalistic nests with secure chambers. Provide a water tube connected to cotton reservoir. Connect to an outworld with tubes wide enough for major workers.

Feeding and Diet

Based on Pheidole genus patterns, offer commercial ant seeds and supplement with protein sources like insects. Sugar water can be offered occasionally.

Temperature and Heating

Inferred from tropical distribution, keep temperatures around 24-28°C using a heating cable to create a gradient.

Colony Growth and Development

Based on genus patterns, colonies grow rapidly. First workers are minor workers, and majors appear as the colony matures.

Behavior and Temperament

Inferred from Pheidole genus patterns, these ants are generally calm. Defense mechanism is stinging, as typical for Myrmicinae. Escape prevention is important due to moderate size.

Frequently Asked Questions

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

Expected in about 6-8 weeks after queen lays eggs, assuming warm temperatures around 24-28°C, inferred from tropical species patterns.

What do I feed Pheidole oaxacana?

Their diet should be seed-based: commercial ant seeds, grass seeds, or millet. Supplement with small insects for protein, inferred from genus patterns.

Can I keep multiple queens together?

Pheidole are typically single-queen species. Combining unrelated queens is not recommended as they will likely fight, inferred from genus patterns.

What temperature do Pheidole oaxacana need?

Keep them warm at 24-28°C, inferred from tropical distribution.

Do Pheidole oaxacana need hibernation?

No. As tropical ants, they do not require hibernation, inferred from distribution.

How big do Pheidole oaxacana colonies get?

Mature colonies can reach up to several thousand workers, inferred from genus patterns.

When should I move my colony to a formicarium?

Keep founding colonies in a test tube setup until they have around 30-50 workers. Move to a larger nest when crowded, inferred from general antkeeping practices.

Are Pheidole oaxacana good for beginners?

Yes, they are considered easy to keep, resilient and accept a variety of foods, inferred from genus patterns.

Why are my major workers staying in the nest?

This is normal. Major workers specialize in seed processing and defense, not routine foraging, inferred from caste system.

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References

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This caresheet is licensed under CC BY-SA 4.0 .