Polyrhachis daphne

Quick Summary

• Difficulty: Medium
• Origin & Habitat: Borneo, Indonesia, Malaysia (Indomalaya region) ^[1]. Inhabits tropical rainforest and is strictly arboreal ^[2].
• Colony Type: Polydomous (multiple connected nests) ^[2]. Queen number is not confirmed, based on related Polyrhachis species, they may have multiple queens.
• Size & Growth:
  • Queen: Exact size data unavailable. Based on related Myrmhopla species, queens are likely 10-12mm.
  • Worker: Exact size data unavailable. Based on related Myrmhopla species, workers are likely 6-10mm.
  • Colony: Colony size is not documented for this species. Based on polydomous nesting, colonies may reach several hundred workers across multiple nests ^[2].
  • Growth: Unknown, likely moderate for tropical arboreal species.
  • Development: Unknown, based on related Polyrhachis species, estimated 6-8 weeks at 26°C. (Direct measurements not available.)
• Antkeeping:
  • Temperature: Not experimentally determined for this species. Based on tropical origin, maintain stable 24-28°C. Avoid temperatures below 22°C.
  • Humidity: Not specified in literature. As an arboreal tropical species, moderate to high humidity is recommended. Ensure ventilation to prevent mold.
  • Diapause: No, tropical species, no hibernation required.
  • Nesting: Arboreal, provide elevated spaces and materials for silk nest construction (leaves, twigs, cork bark) ^[2]. Multiple connected chambers are ideal for polydomous colonies.
• Behavior: Based on related Polyrhachis species, workers are generally docile but will defend the nest if disturbed. They lack a sting and rely on formic acid spray and their spines for defense. They are agile and can escape if not properly contained.
• Common Issues: insufficient ventilation leads to mold in humid tropical setups., ground-based setups cause stress, they require elevated nesting spaces., lack of silk‑nesting materials (leaves, twigs) may prevent the colony from settling., temperatures below 22°C slow activity and can harm brood., polydomous colonies may be stressed if only a single nest chamber is provided.

Nest Preferences and Housing

Polyrhachis daphne is strictly arboreal, nesting in trees using silk to bind leaves and twigs ^[2]. They produce pupal cocoons ^[2]. In captivity, provide elevated spaces and natural materials like leaves, twigs, or cork bark for silk construction. A formicarium with multiple connected chambers works well, as colonies are polydomous and may expand across several nest sites.

Feeding and Diet

No specific dietary records exist for Polyrhachis daphne. Based on related Polyrhachis species, they are omnivorous, feeding on honeydew and small insects. In captivity, offer sugar water continuously and provide small insects (fruit flies, small crickets) one to two times per week. Remove uneaten protein after 24 hours to prevent mold.

Temperature and Seasonal Care

No experimental temperature data is available for this tropical species. Based on its rainforest origin, maintain a stable temperature between 24-28°C. Use a heating cable on one side of the enclosure to create a gentle gradient. Avoid temperatures below 22°C. As a tropical ant, Polyrhachis daphne does not require hibernation, keep conditions consistent year-round.

Colony Structure and Social Organization

Polyrhachis daphne colonies are polydomous: they occupy multiple connected nests ^[2]. The number of queens per colony has not been confirmed in the literature. In captivity, provide multiple potential nest sites and enough space for the colony to expand naturally. This may reduce stress and encourage normal nesting behavior.

Silk Nest Building Behavior

One of the most distinctive traits of Polyrhachis daphne is its use of silk to construct nests ^[2]. Workers produce silk from their labial glands and use it to bind leaves, twigs, and other plant material into protective shelters in the canopy. They also produce pupal cocoons ^[2]. In captivity, providing natural materials like fresh leaves, small twigs, or cork bark allows this behavior. Observing workers manipulate materials and build silk structures is a highlight of keeping this species.

Handling and Temperament

Like most Polyrhachis, workers are generally docile but will defend the nest if threatened. As members of Formicinae, they lack a functional sting, instead they bite and spray formic acid into the wound. Their thoracic spines can also prick skin. When maintaining the enclosure, work gently and use escape‑proof setups. Avoid unnecessary nest disturbance to keep the colony calm.

Frequently Asked Questions

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References