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

Proceratium austronesicum

Non-Parasitic Queen No Gamergate
Sci. Name
Proceratium austronesicum
Tribe
Proceratiini
Subfamily
Proceratiinae
Author
de Andrade, 2003
Distribution
Found in 1 countries

Introduction

Proceratium austronesicum is a small ant species native to Papua New Guinea and the Solomon Islands . Workers measure 2.70-3.15 mm in total length and are dark brown-black with a lighter anterior third of the head, antennae, and legs . It belongs to the Silaceum Clade and differs from similar species by smoother integument and shorter hind basitarsi . The genus Proceratium is known for a highly convex first gastral segment . Nothing is known about the specific biology of Proceratium austronesicum, but Proceratium species in general are slow-moving, predatory ants .

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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: Papua New Guinea and Solomon Islands, found at elevations around 1800m in montane forest habitats [1][2].
  • Colony Type: Colony structure is unconfirmed. No data on queen number or ergatoid queens for this species [2].
  • Size & Growth:
    • Queen: 3.30 mm [2]
    • Worker: 2.70-3.15 mm [2]
    • Colony: Unknown, no data available [2]
    • Growth: Unknown, no data available
    • Development: Unconfirmed, no data available (No development data exists for this species.)
  • Antkeeping:
    • Temperature: No specific data, keep at stable room temperature around 20-24°C based on montane origin [2].
    • Humidity: No specific data, provide a humidity gradient based on forest floor habitat [2].
    • Diapause: Unknown, no data available
    • Nesting: No specific data, based on genus patterns, likely nest in soil or rotting wood [2].
  • Behavior: Proceratium austronesicum is likely cryptic and slow-moving based on genus patterns. Workers are not aggressive and lack a functional sting. Due to tiny size, escape prevention is critical [2].
  • Common Issues: escape risk due to tiny size (2.7-3.15 mm), standard barriers may not contain them., high humidity requirements can lead to mold if ventilation is inadequate., predatory diet requires live prey, which may be challenging to provide., slow growth means colonies develop very gradually.

Nest Preferences and Housing

No specific nest data exists for Proceratium austronesicum. Based on genus patterns, Proceratium species often nest in soil or rotting wood. In captivity, a moist plaster nest or soil-based setup may work, but this is unconfirmed [2]. Due to their tiny size, ensure escape prevention with fine barriers [2].

Feeding and Diet

No specific diet data exists for this species. Proceratium species are predatory, hunting small arthropods. In captivity, offer small live prey like springtails or fruit fly larvae, but this is based on genus patterns [2]. Remove uneaten prey to prevent mold [2].

Temperature and Seasonal Care

No specific temperature data exists for this species. Keep at stable room temperature around 20-24°C based on montane origin [2]. Avoid overheating, as they come from cooler habitats [2].

Behavior and Colony Dynamics

Proceratium austronesicum is likely cryptic and slow-moving based on genus patterns. Workers are not aggressive and lack a functional sting. Colonies are small and grow slowly, but no specific data exists [2]. Foraging is minimal, and colonies may take years to reach maturity [2].

Frequently Asked Questions

How long does it take for Proceratium austronesicum to produce first workers?

Unconfirmed, no data available for this species [2].

Can I keep Proceratium austronesicum in a test tube?

Yes, but escape prevention is critical due to tiny size. Use fine mesh barriers and check regularly for gaps [2].

What do Proceratium austronesicum ants eat?

No specific diet data, but Proceratium species are predatory. Offer small live prey like springtails or fruit fly larvae [2].

Are Proceratium austronesicum ants dangerous?

No, they are non-aggressive and lack a functional sting [2].

How big do Proceratium austronesicum colonies get?

Colony size is unknown, no data available [2].

Do Proceratium austronesicum ants need hibernation?

Unknown, no data available [2].

Why are my Proceratium austronesicum dying?

Common causes include escape due to tiny size, low humidity, improper feeding (need live prey), and temperature stress [2].

Is Proceratium austronesicum good for beginners?

No, this is an expert-level species due to lack of biological data and specific care needs [2].

When should I move Proceratium austronesicum to a formicarium?

Keep in a test tube for founding. Transfer to a moist plaster or soil-based setup once crowded, but no specific data exists [2].

Can I keep multiple Proceratium austronesicum queens together?

Not recommended, no data exists on colony founding behavior for this species [2].

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References

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This caresheet is licensed under CC BY-SA 4.0 .