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

Aphaenogaster wilsoni

Non-Parasitic Queen No Gamergate
Sci. Name
Aphaenogaster wilsoni
Tribe
Stenammini
Subfamily
Myrmicinae
Author
Cagniant, 1988
Distribution
Found in 1 countries

Introduction

Aphaenogaster wilsoni is a slender ant species endemic to Morocco, found only in the Atlas Mountains region . First described in 1988 from specimens collected at 1550 meters elevation near Aguelman Aziglza in the High Atlas Mountains , this species inhabits the extratropical Palearctic region at approximately 32.67 degrees latitude . The species occurs in three distinct population groups across the country: western regions, eastern areas around Midelt, and the central High Atlas including the Upper Dades . Like other Aphaenogaster species, they are active foragers that scavenge for dead insects and seeds.

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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: Endemic to Morocco, specifically montane regions of the Atlas Mountains at approximately 1550m elevation [3][4]. Found in three main population groups across western, eastern, and central Morocco [1].
  • Colony Type: Colony structure is unconfirmed for this species. Most Aphaenogaster species are single-queen colonies, but specific data for A. wilsoni is unavailable.
  • Size & Growth:
    • Queen: Size data unavailable, no specific measurements exist for this species. Based on typical Aphaenogaster morphology, queens are likely in the 6-8mm range.
    • Worker: Size data unavailable, no specific measurements exist for this species. Based on typical Aphaenogaster morphology, workers are likely in the 4-6mm range.
    • Colony: Estimated up to 500 workers based on genus patterns.
    • Growth: Moderate
    • Development: Estimated 8-12 weeks at 22-24°C based on related temperate Aphaenogaster species. (Timeline is estimated, specific development data for this species is not documented. Montane origin suggests development may be slower at cooler temperatures.)
  • Antkeeping:
    • Temperature: Keep at 20-25°C during the active season. Provide a gentle heat gradient with a heating cable on one side of the nest. Avoid temperatures above 28°C for extended periods.
    • Humidity: Moderate humidity, nest substrate should feel damp to the touch but not waterlogged. Allow some slightly drier areas.
    • Diapause: Yes, required for this montane species. Cool to 10-15°C for 3-4 months during winter [3].
    • Nesting: Soil nests under stones in nature. In captivity, use a naturalistic setup with soil chambers, or a plaster or Y-tong nest with narrow passages.
  • Behavior: Active individual foragers that scavenge for dead insects and seeds. Founding type is unconfirmed, some Aphaenogaster species are semi-claustral while others are claustral. They climb well and can be fast-moving. Their small size and climbing ability means escape prevention must be excellent.
  • Common Issues: founding queens may starve if they are semi-claustral and not fed regularly during founding., excellent escape prevention is needed as they climb well and can squeeze through small gaps., overheating is a risk since they come from cool mountain regions at 1550m elevation., too much humidity causes mold problems in the nest.

Natural History and Distribution

Aphaenogaster wilsoni is endemic to Morocco and found nowhere else in the world [1][2]. The species was first discovered near Aguelman Aziglza at 1550 meters elevation in the Atlas Mountains [3]. It inhabits the extratropical Palearctic region at approximately 32.67 degrees latitude [4]. Research shows three distinct population groups: one in western Morocco, one in eastern Morocco around Midelt, and one in the central High Atlas including the Upper Dades region [1]. This montane distribution suggests adaptation to cooler conditions than lowland desert species.

Colony Founding

The founding behavior of Aphaenogaster wilsoni is unconfirmed. Some Aphaenogaster species are semi-claustral (queen must forage during founding), while others are fully claustral (queen seals herself in and relies on stored energy). If your queen appears active and leaves the founding chamber to search for food, offer small amounts of sugar water or tiny insect pieces 2-3 times per week. If she seals herself in, leave her undisturbed. Watch her behavior to determine which founding type applies to your colony.

Temperature and Seasonal Care

Because this species comes from mountain regions at 1550m elevation, they likely experience significant seasonal temperature changes. During the active season (spring through autumn), keep them at 20-25°C with a gentle heat gradient. In winter, they require a diapause period at cooler temperatures (10-15°C) for approximately 3-4 months [3]. Gradually reduce temperatures in autumn and increase them in spring to mimic natural seasonal changes. Avoid keeping them above 28°C for extended periods, as their mountain origin makes them sensitive to overheating.

Feeding and Diet

Aphaenogaster are generalist scavengers and foragers. In nature, they collect dead insects and seeds. In captivity, offer small live or dead insects such as fruit flies, small crickets, or mealworm pieces. They also accept sugar water or honey water. Some Aphaenogaster species collect and store seeds, so you can experiment with offering small seeds like chia or millet. Feed established colonies every 2-3 days or when food is consumed.

Nest Preferences

In their natural habitat at 1550m elevation in Morocco, these ants likely nest under stones or in rotting wood in the mountain soil. For captive colonies, a naturalistic setup with a soil-filled chamber and flat stones works well. Alternatively, a plaster nest or Y-tong nest with narrow tunnels and chambers sized to their small bodies is suitable. Maintain the nest substrate damp but not wet, think forest floor conditions rather than swamp. Provide good ventilation to prevent mold while maintaining humidity [3].

Frequently Asked Questions

Can I keep multiple Aphaenogaster wilsoni queens together?

No, combining multiple queens is not recommended. While the specific colony structure of Aphaenogaster wilsoni is unconfirmed, most Aphaenogaster species are single-queen colonies. Multiple queens will likely fight until only one survives.

Do Aphaenogaster wilsoni need hibernation?

Yes. Coming from the Atlas Mountains at 1550m elevation, they experience cold winters and require a diapause period. Cool the colony to 10-15°C for 3-4 months during winter [3].

How long until Aphaenogaster wilsoni get their first workers?

Expect approximately 8-12 weeks from egg to first worker at 22-24°C. This is an estimate based on related temperate Aphaenogaster species, as specific development data for this species is not documented.

What do Aphaenogaster wilsoni eat?

They are generalist scavengers. Feed small insects like fruit flies or cricket pieces, sugar water, and possibly small seeds. If your queen is semi-claustral, she will need regular feeding until workers arrive.

Are Aphaenogaster wilsoni good for beginners?

They are medium difficulty. While they are hardy once established, the semi-claustral founding phase (if applicable) requires regular feeding and care, making them slightly harder than fully claustral species.

Do Aphaenogaster wilsoni ants sting?

They can sting, but it is mild and not dangerous to humans. They are not aggressive ants and will usually flee rather than attack.

What is the best nest type for Aphaenogaster wilsoni?

A naturalistic setup with soil and flat stones mimics their mountain habitat well. Alternatively, use a plaster nest or Y-tong nest with small chambers. Avoid tall acrylic nests as they prefer enclosed spaces [3].

Why is my Aphaenogaster wilsoni queen dying during founding?

If she is semi-claustral, she likely starved. Some Aphaenogaster queens must eat during the founding phase. Feed small amounts of sugar water and tiny insect pieces 2-3 times per week. If she is claustral, she may have been disturbed too often or the setup was too dry.

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References

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