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

Pheidole laevicolor

Monogynous Non-Parasitic Queen No Gamergate
Sci. Name
Pheidole laevicolor
Tribe
Attini
Subfamily
Myrmicinae
Author
Eguchi, 2006
Distribution
Found in 2 countries
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Introduction

Pheidole laevicolor is a small ant species native to northern Vietnam and recently recorded on Hainan Island, China . Size data unavailable - no total length measurements provided in research. The species has a distinctive appearance with major workers showing smooth and shining heads and promesonotal domes, while the vertex and vertexal lobes have reticulate sculpturing . This species occurs from forest edges to well-developed forests and nests in the soil . A notable trait is that major workers function as repletes, storing liquid food in their abdomens to serve as living food storage for the colony .

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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: Northern Vietnam and Hainan Island, China. Found in forest edges to well-developed forests at elevations of 834-1029 m, nesting in soil [2][3][4][1].
  • Colony Type: Based on typical Pheidole genus patterns, likely monogyne (single queen). Colony structure unconfirmed from specific literature.
  • Size & Growth:
    • Queen: Estimated ~5-7 mm based on Pheidole genus patterns.
    • Worker: Size data unavailable, no total length measurements. Inferred from Pheidole genus as ~2-4 mm for minors and ~4-6 mm for majors.
    • Colony: Up to several thousand workers based on typical Pheidole colony sizes.
    • Growth: Moderate
    • Development: 6-10 weeks estimated based on related Pheidole species. (Development time is estimated as this specific species has not been studied in captivity. Temperature will significantly affect development speed.)
  • Antkeeping:
    • Temperature: Keep warm, roughly 24-28°C, based on tropical habitat.
    • Humidity: Keep substrate consistently moist but not waterlogged, based on forest habitat.
    • Diapause: Unknown for this species [2].
    • Nesting: Soil-nesting species. Provide a naturalistic setup with moist soil or a Y-tong/plaster nest, allowing for burrowing [2].
  • Behavior: Majors serve as repletes, storing liquid food in their distended abdomens [2]. Workers are active foragers. Escape risk is moderate due to small worker size, use fine mesh barriers.
  • Common Issues: colonies may fail if kept too dry, forest species need consistent humidity, slow founding phase means beginners may lose patience, small workers can escape through standard barriers, use fine mesh, wild-caught colonies may carry parasites that affect captive survival, replete majors may die if colony is stressed or food is inconsistent

Nest Preferences

Pheidole laevicolor is a soil-nesting species found in forest edges to well-developed forests in northern Vietnam [2]. In captivity, provide a naturalistic setup with moist soil at least 5-10 cm deep, or use a Y-tong/plaster nest that allows for burrowing [2]. The species prefers dark, humid conditions similar to its forest floor habitat. Ensure the nest substrate stays consistently moist but not waterlogged, the ants should be able to move to drier areas if needed.

Feeding and Diet

These ants are omnivorous. They accept protein sources like small insects and seeds. The unique trait is that major workers function as repletes, storing liquid carbohydrates and protein in their abdomens to feed the colony during lean times [2]. Offer sugar water, honey, or diluted syrup regularly, especially for the majors to fill as food stores. Feed protein 2-3 times per week and provide constant access to sugar sources.

Temperature and Care

As a species from tropical northern Vietnam, keep temperatures warm around 24-28°C. Lower temperatures will slow activity and development. Use a heating cable on one side of the nest to create a gentle gradient, allowing ants to thermoregulate. Monitor colony activity, workers should be actively foraging.

Behavior and Temperament

This species shows typical Pheidole behavior with distinct worker castes. Minor workers handle most foraging and brood care, while major workers serve as repletes for food storage and assist with defense [2]. The species is not particularly aggressive but will defend the nest if threatened. Workers are active foragers, readily exploring their outworld for food.

Growth and Development

Colony development follows typical Pheidole patterns. The queen likely seals herself in a founding chamber and raises the first brood alone using stored energy. First workers are smaller but quickly begin foraging to support colony growth. Based on related species, expect 6-10 weeks from egg to first worker at optimal temperature. Growth is moderate, the colony will expand over several months as the queen continues laying eggs.

Frequently Asked Questions

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

Based on related Pheidole species, expect 6-10 weeks from egg to first worker at optimal temperature (24-28°C). Cooler temperatures will significantly slow development.

What do Pheidole laevicolor ants eat?

They are omnivorous. Offer small insects for protein, and sugar water, honey, or diluted syrup for carbohydrates. They also accept seeds. Major workers serve as repletes, storing liquid food in their abdomens [2].

Can I keep multiple queens together?

Pheidole species are typically monogyne (single queen) based on genus patterns. Combining unrelated queens is not recommended as they likely will fight. Only keep one queen per colony.

What temperature do they need?

Keep them warm at 24-28°C based on their tropical habitat. A heating cable on part of the nest can help maintain optimal conditions.

Are Pheidole laevicolor good for beginners?

This species is rated medium difficulty. They require warm temperatures and consistent humidity. The main challenges are maintaining proper conditions and being patient through the slow founding phase.

How big do colonies get?

Based on typical Pheidole growth patterns, colonies can reach up to several thousand workers over several years.

Do they need hibernation?

Diapause requirements are unconfirmed for this species [2]. As a tropical Vietnamese species, they likely do not need true hibernation but may reduce activity in cooler months.

What makes Pheidole laevicolor unique?

A distinctive trait is that major workers function as repletes, their abdomens distend with liquid food to serve as living food storage for the colony [2].

When should I move them to a formicarium?

Keep founding colonies in a test tube setup until they have a decent number of workers. Once the test tube becomes crowded or the water reservoir depletes, transfer to a naturalistic setup or Y-tong nest with soil substrate.

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References

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This caresheet is licensed under CC BY-SA 4.0 .