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

Aphaenogaster asterioni

Non-Parasitic Queen Hayır Gamergate
Bilimsel Adı
Aphaenogaster asterioni
Oymak (Tribe)
Stenammini
Alt Familya
Myrmicinae
Yazar (Tanımlayan)
Borowiec <i>et al.</i>, 2024
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Giriş

Aphaenogaster asterioni is a small ant species with a yellow to rusty yellow body and a distinctive head that widens toward the back . This species belongs to the Aphaenogaster subterranea species group, which is characterized by partly smooth and shiny heads . Workers are approximately 4-6mm based on typical Aphaenogaster genus sizes, though exact measurements are unavailable . This species lives only on the island of Crete in Greece, where it nests under flat stones placed very close to watercourse banks in cool, shaded gorges at elevations of 120-318 meters . Scientists only described this species in 2024,making it one of the most recently described European ants . The few colonies found were living in shadow gorges with plane trees and blackberry bushes. Workers forage in damp leaf litter, on tree trunks near the soil, and even on wet walls of goat watering stations, indicating they prefer consistently moist environments .

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Ülkeye göre durum, kaynak: Kass et al. 2022 & Wong et al. 2023

Yerli İstilacı Tanıtılmış (kapalı alan) Yakalardan Geçmiş Bilinmiyor
Veri Kaynakları
Yıl Aralığı 2000 - 2026

Quick Summary

  • Difficulty: Medium to Hard
  • Origin & Habitat: Endemic to Crete, Greece. Found in shadow gorges with plane trees at 120-318m elevation, nesting under flat stones placed very close to watercourse banks overgrown by deciduous trees and blackberry bushes [1][2].
  • Colony Type: Unconfirmed, likely single-queen based on related Aphaenogaster species, but not documented.
  • Size & Growth:
    • Queen: Size data unavailable, queen has not been described in literature.
    • Worker: Approximately 4-6mm, inferred from typical Aphaenogaster genus size range [2].
    • Colony: Unknown, type colony contained at least 35 workers [1].
    • Growth: Unknown
    • Development: Unknown, no development studies exist for this species. (No direct studies exist for this species.)
  • Antkeeping:
    • Temperature: Keep around 20-25°C during active season. Mediterranean climate species likely needs winter rest at 10-15°C, but diapause requirements are unconfirmed [2].
    • Humidity: High humidity required. In nature they nest under stones near watercourses and forage on wet walls [1]. Keep nest substrate damp but not waterlogged.
    • Diapause: Likely required, Crete has mild winters. Unconfirmed.
    • Nesting: Under flat stones in nature. Use Y-tong nests with flat chambers or naturalistic setups with flat stones and high humidity [1].
  • Behavior: Unknown temperament. Small size means excellent escape prevention is essential.
  • Common Issues: very little biological data exists, making captive care experimental., tiny size requires excellent escape prevention with fine mesh and barriers., endemic to Crete, so collection impacts local populations., high humidity needs may lead to mold without proper ventilation.

Natural History and Habitat

Aphaenogaster asterioni was described in 2024 from specimens collected in the Orthes Gorge on Crete [1]. The holotype and 35 paratypes came from a single colony found under a flat stone near a watercourse bank [1]. The habitat consists of shadow gorges with plane trees, deciduous trees, and blackberry bushes at relatively low elevations (120-318m) [2].

The proximity to water and presence of damp substrates like wet walls and leaf litter suggest these ants require consistently moist conditions [1]. Workers were collected in April, indicating spring activity, but the timing of nuptial flights remains unknown [1].

Nest Preferences

In nature, Aphaenogaster asterioni always nests under flat stones placed very close to watercourse banks [1][2]. This suggests they prefer tight, flat spaces with high humidity. In captivity, recreate this with a Y-tong nest featuring flat chambers, or a naturalistic setup with flat stones over a moist substrate. Avoid tall, open spaces. The nest should feel damp to the touch but not flooded.

Provide a substrate that holds moisture well, such as a mix of coco fiber and sand, topped with flat stones or slate pieces to create the tight spaces they favor [1].

Temperature and Seasonal Care

Coming from Crete's Mediterranean climate, these ants likely experience hot, dry summers and mild, wet winters. Keep the nest area around 20-25°C during the active season [2]. They probably need a winter rest period at cooler temperatures around 10-15°C, though this is unconfirmed.

Watch the colony for signs of slowing down as temperatures drop. If activity decreases significantly in winter, move them to a cooler spot for 2-3 months before warming them up again in spring.

Feeding and Diet

No specific dietary studies exist for this species. Based on typical Aphaenogaster behavior, they likely accept small insects, seeds, and sugar sources. Offer tiny live prey like fruit flies or small springtails, along with honey water or sugar water. Observe what they accept and adjust accordingly.

Place food in the outworld rather than directly in the nest chamber to prevent mold issues in their humid environment.

Conservation and Collection Ethics

As a Cretan endemic described only in 2024,every wild colony is significant to the species' survival [1]. Collection of wild colonies could impact local populations. If you obtain this species, ensure they come from ethical sources and never release them outside Crete.

Because this species is newly described and extremely limited in range, consider whether keeping them is necessary versus observing more common species with similar care requirements.

Frequently Asked Questions

Can I keep Aphaenogaster asterioni in a test tube?

Yes, a standard test tube setup with a water reservoir can work for founding, though the queen's size is unknown. Ensure the cotton is secure as workers are small and can squeeze through gaps.

How long does Aphaenogaster asterioni take from egg to worker?

Unknown. No development studies exist for this species. Watch the colony and note actual timelines to help future keepers.

Do Aphaenogaster asterioni need hibernation?

Likely yes, as they come from Crete's Mediterranean climate with mild winters, but this is unconfirmed. Cool them to 10-15°C for 2-3 months if they slow down in winter.

What is the ideal temperature for Aphaenogaster asterioni?

Start around 22-25°C. They come from shaded gorges, so avoid excessive heat. Provide a gradient if possible so they can choose their preferred spot.

How do I prevent Aphaenogaster asterioni from escaping?

Workers are small and can squeeze through tiny gaps. Use fine mesh under 0.5mm, tight-fitting lids, and Fluon or baby powder barriers on outworld rims.

What do Aphaenogaster asterioni eat?

Unconfirmed, but likely generalists based on genus patterns. Offer small live insects, sugar water, and possibly seeds. Watch their response to determine preferences.

Are Aphaenogaster asterioni good for beginners?

No. The combination of small size, unknown care requirements, and extremely limited data makes them unsuitable for beginners. Choose a well-documented species instead.

Where does Aphaenogaster asterioni come from?

They are endemic to Crete, Greece, specifically found in the Rethymno region's shadow gorges [1].

How big do Aphaenogaster asterioni colonies get?

Unknown. The type colony had at least 35 workers, but maximum size is undocumented [1].

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References

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