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

Aphaenogaster haarlovi

Non-Parasitic Queen No Gamergate
Sci. Name
Aphaenogaster haarlovi
Tribe
Stenammini
Subfamily
Myrmicinae
Author
Collingwood, 1961
Distribution
Found in 1 countries

Introduction

Aphaenogaster haarlovi is a virtually unknown ant species described from Afghanistan in 1961 . The original specimens came from Paghman, a region near Kabul, during the Third Danish Expedition to Central Asia . As a member of the genus Aphaenogaster, they share ancestry with seed-collecting ants found across the Northern Hemisphere, but their specific habits remain a mystery . This species occupies an extratropical Palearctic location at roughly 34.5°N latitude , placing them in a region with hot summers and cold winters. They likely experience significant seasonal temperature swings in the wild, suggesting they need winter rest periods in captivity. Beyond these geographic clues, almost nothing is documented about their colony size, nesting preferences, or behavior.

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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: Expert
  • Origin & Habitat: Afghanistan, specifically the Paghman area, extratropical Palearctic region at 34.5°N [2][1]
  • Colony Type: Unknown, colony structure unconfirmed
  • Size & Growth:
    • Queen: Size data unavailable, no measurements exist for this species
    • Worker: Size data unavailable, no measurements exist for this species
    • Colony: Unknown
    • Growth: Unknown
    • Development: Unknown, no development data exists for this species (No development data exists for this species.)
  • Antkeeping:
    • Temperature: Likely temperate, start around 20-25°C during activity period. Provide winter cooling to 10-15°C given extratropical Palearctic distribution at 34.5°N [2]
    • Humidity: Unknown, moderate humidity likely appropriate based on regional climate
    • Diapause: Likely required given latitude and extratropical classification [2]
    • Nesting: Unknown, offer options including soil, rotting wood, or Y-tong nests
  • Behavior: Unknown, genus typically shows moderate activity levels and non-aggressive temperaments, but this is unconfirmed for A. haarlovi
  • Common Issues: complete lack of captive care data makes husbandry unpredictable., uncertain hibernation requirements, wild origin suggests winter rest needed but timing is unknown., unknown dietary preferences may lead to starvation if standard foods are rejected., wild-caught specimens from Afghanistan may harbor parasites or pathogens., small size typical of genus means escape prevention must be excellent.

Distribution and Discovery

Aphaenogaster haarlovi was described by Collingwood in 1961 based on specimens collected in Paghman, Afghanistan during the Third Danish Expedition to Central Asia [1]. The type series includes the holotype worker, five paratype workers, and two paratype males collected in July 1948 [1]. The species is currently known only from this type locality in the Palearctic region [2].

The location sits at approximately 34.5°N latitude and is classified as extratropical [2]. This places the species in a continental climate zone with distinct seasonal changes.

Inferred Care Guidelines

Since no biological studies exist for this species, care must be based on inference from the genus Aphaenogaster and the climate of Afghanistan. Keep the colony at moderate room temperature (20-25°C) during the active season, with a slight gradient allowing the ants to choose warmer or cooler spots.

Given the extratropical location at 34.5°N, you will likely need to hibernate the colony during winter months [2]. Gradually reduce temperature to 10-15°C for 3-4 months, ensuring the nest remains slightly moist but not wet. Return them to room temperature in spring.

For nesting, provide a setup that mimics temperate woodland conditions. A test tube with water reservoir, or a small Y-tong nest with moderate humidity, should work based on typical Aphaenogaster preferences. Avoid overly dry conditions.

Feeding and Diet

The natural diet of Aphaenogaster haarlovi is unknown. Most Aphaenogaster species are generalist scavengers and seed collectors, taking dead insects, sugar sources, and seeds [1]. Start by offering small dead insects like fruit flies or pinhead crickets, along with sugar water or honey water.

Some Aphaenogaster species collect and store seeds, so you might experiment with small grass seeds or bird seed mix. Offer protein twice weekly and keep sugar water available constantly. Watch whether the colony accepts the food, rejection may indicate they require more specific prey items not yet identified.

Challenges for Antkeepers

This species presents extreme challenges due to the complete absence of captive breeding records or detailed biological studies. You are essentially keeping a species that has never been maintained in captivity before, with no guaranteed care formula.

The biggest risk is the unknown hibernation requirements. While the latitude suggests they need winter rest [2], the exact timing, duration, and temperature thresholds are guesses. Too cold or too wet during hibernation could kill the colony.

Additionally, if you obtain wild-caught specimens from Afghanistan (which is the only source currently), they may carry mites, nematodes, or fungal infections. Quarantine them from other ant colonies and monitor closely for signs of disease or parasite load.

Frequently Asked Questions

Where do Aphaenogaster haarlovi come from?

They are native to Afghanistan, specifically collected in the Paghman region near Kabul [1][2]. They inhabit the Palearctic region at roughly 34.5°N latitude [2].

Do Aphaenogaster haarlovi need hibernation?

Likely yes. Their origin in extratropical Palearctic Afghanistan at 34.5°N suggests they experience cold winters and require a winter rest period [2]. Cool them to 10-15°C for several months during winter.

How long until Aphaenogaster haarlovi get their first workers?

Unknown. No development data exists for this species.

What do Aphaenogaster haarlovi eat?

Unknown. They likely accept generalist foods like dead insects and sugar water based on genus patterns, but their specific dietary requirements have never been studied. Offer small dead insects and sugar sources, and observe acceptance carefully.

Are Aphaenogaster haarlovi good for beginners?

No. The complete lack of care information, unknown biology, and likely need for specific hibernation make them suitable only for expert antkeepers comfortable with experimental husbandry.

Can I keep multiple Aphaenogaster haarlovi queens together?

Unknown. Combining unrelated queens is not recommended since colony structure is unconfirmed for this species. Most Aphaenogaster are single-queen, but this is not guaranteed for A. haarlovi.

Can I keep Aphaenogaster haarlovi in a test tube?

Probably yes. Test tubes with water reservoirs are standard for small to medium ants like Aphaenogaster. Ensure the tube is not too large for the colony size, and provide a dark cover.

How big do Aphaenogaster haarlovi colonies get?

Unknown. No colony size data exists for this species.

What temperature do Aphaenogaster haarlovi need?

Likely 20-25°C during the active season based on their temperate origin, with winter cooling to 10-15°C [2]. Start at room temperature and adjust based on activity levels.

Are Aphaenogaster haarlovi dangerous?

Unknown, but unlikely. Aphaenogaster species are generally not aggressive toward humans and lack stingers capable of penetrating skin, though they may bite if threatened.

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References

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This caresheet is licensed under CC BY-SA 4.0 .