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

Pheidole ochracea

Monogynous Non-Parasitic Queen No Gamergate
Sci. Name
Pheidole ochracea
Tribe
Attini
Subfamily
Myrmicinae
Author
Eguchi, 2008
Distribution
Found in 1 countries
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Introduction

Pheidole ochracea is a small dimorphic ant species native to Vietnam and southern China . They have two distinct worker castes: larger majors with developed heads and smaller minors that handle most tasks . The species nests in soil and woody habitats, sometimes in abandoned termite mounds . A key feature is the division of labor between castes, with majors defending the nest and minors foraging and caring for brood .

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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: Medium
  • Origin & Habitat: Tropical and subtropical forests of Vietnam and southern China, nesting in soil and occasionally in abandoned termite mounds in woody habitats [1][3].
  • Colony Type: Based on typical Pheidole patterns, likely monogyne (single queen) colonies [2].
  • Size & Growth:
    • Queen: Size data unavailable.
    • Worker: Minors and majors have distinct morphologies, but body size data unavailable. Inferred from Pheidole genus, minors are small, majors are larger [2].
    • Colony: Colony size unknown, but estimated to reach up to several thousand workers based on related species [2].
    • Growth: Moderate.
    • Development: 6-10 weeks under optimal conditions, inferred from tropical Pheidole patterns [2]. (Development time is estimated as this species has not been specifically studied.)
  • Antkeeping:
    • Temperature: Keep at 22-28°C, with 24-26°C ideal, inferred from tropical habitat [2].
    • Humidity: Keep nest substrate consistently moist but not waterlogged, inferred from forest-dwelling habitat [1].
    • Diapause: No diapause required, as species is from tropical region.
    • Nesting: Soil-nesting species, recommend Y-tong, plaster, or soil nests [1].
  • Behavior: Temperament is typical for Pheidole, majors defend the nest, minors forage. Not aggressive but will defend nest vigorously. Escape risk moderate due to small size, use fine mesh barriers [2].
  • Common Issues: small minor workers can escape through standard barriers, use fine mesh and tight-fitting lids, tropical species may struggle if temperatures drop below 20°C for extended periods, colonies may be difficult to establish from founding, queens need quiet, dark location, limited availability in the antkeeping hobby since it's a less common species, wild-caught colonies may carry parasites from their native range

Housing and Nest Setup

Pheidole ochracea is a soil-nesting species [1]. For founding colonies, use a standard test tube setup with water and cotton. Once the colony has 20-30 workers, move to a permanent setup like Y-tong (AAC) nests, plaster nests, or naturalistic soil setups [2]. Ensure escape prevention with fluon on rims and fine mesh on ventilation holes, as minor workers are tiny [2].

Feeding and Diet

Pheidole ochracea is omnivorous. Offer protein sources like small insects twice weekly and constant sugar sources like honey water [2]. Remove uneaten food after 24-48 hours to prevent mold. Majors help process larger prey items [2].

Temperature and Seasonal Care

Being from tropical regions, keep temperatures between 22-28°C, with 24-26°C ideal [2]. Avoid temperatures below 20°C for extended periods. No diapause is needed, but activity may reduce in cooler months.

Colony Development and Growth

Colonies grow through production of minor and major workers. First workers are nanitics, and majors appear as colony matures [2]. Growth is moderate, with colonies reaching up to several thousand workers over years [2]. Brood development takes 6-10 weeks under optimal conditions [2].

Behavior and Observation

Minors handle foraging, brood care, and nest cleaning, while majors defend and process food [2]. They are not aggressive toward keepers but will defend nests vigorously. Escape risk is moderate due to small size [2].

Frequently Asked Questions

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

Based on tropical Pheidole patterns, expect 6-10 weeks from egg to first worker at optimal temperature [2].

What do Pheidole ochracea ants eat?

They are omnivorous. Offer protein sources like small insects twice weekly and constant sugar sources like honey water [2].

Are Pheidole ochracea good for beginners?

They are rated as medium difficulty due to need for warm, humid conditions and escape prevention [2].

What temperature do Pheidole ochracea need?

Keep them at 22-28°C, inferred from their tropical habitat [2].

How big do Pheidole ochracea colonies get?

Colony size is unknown, but estimated to reach up to several thousand workers based on related species [2].

Can I keep multiple Pheidole ochracea queens together?

Pheidole ochracea is likely single-queen based on typical genus patterns, so combining queens is not recommended [2].

What type of nest should I use for Pheidole ochracea?

They do well in Y-tong, plaster, or soil nests, as they are soil-nesting species [1].

Do Pheidole ochracea need hibernation?

No, they do not require hibernation as they are from a tropical region.

Why are my Pheidole ochracea dying?

Common causes include temperatures below 20°C, improper humidity, mold from uneaten food, or stress [2].

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References

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This caresheet is licensed under CC BY-SA 4.0 .