Polyrhachis hodgsoni

Quick Summary

• Difficulty: Medium
• Origin & Habitat: Found across the Indomalaya region including Borneo, Indonesia, Malaysia, Myanmar, and Pakistan ^[1]. This tropical arboreal species lives in bamboo forests and constructs silk pavilions under broad bamboo leaves where they tend hemipterans for honeydew ^[2][3].
• Colony Type: Monogyne colonies with multiple nest sites (polydomous) ^[3].
• Size & Growth:
  • Queen: inferred from Polyrhachis genus (~8-10mm)
  • Worker: size unknown, inferred from Polyrhachis genus (~5-7mm)
  • Colony: Unknown maximum, likely several hundred workers based on related species
  • Growth: Moderate
  • Development: 8-12 weeks (estimated based on related Polyrhachis species) (Development time is estimated as this specific species has not been studied.)
• Antkeeping:
  • Temperature: Keep at 24-28°C. As a tropical species, they need warm conditions year-round. A heating cable on one side creates a temperature gradient ^[2].
  • Humidity: Keep the nest substrate consistently moist but not waterlogged. Their natural habitat is humid but well-ventilated ^[2].
  • Diapause: No, being a tropical species, they do not require hibernation ^[2].
  • Nesting: This is an arboreal species that builds silk pavilions in bamboo. In captivity, they need vertical space with climbing structures ^[2][3].
• Behavior: Generally peaceful but defensive of their nest. As weaver ants, they are arboreal and spend most of their time climbing. They lack a functional sting and spray formic acid for defense, typical of Formicinae. Escape risk is moderate due to their size.
• Common Issues: arboreal housing is essential, they will not thrive in horizontal ground-nest setups., silk nest construction requires humidity, too dry and they cannot weave., tropical warmth is mandatory, temperatures below 22°C can cause decline., polydomous colonies need space for multiple nest sites, single nest setups may stress them., hemipteran farming means they benefit from sugar sources, honey water should be available.

Housing and Nest Setup

Polyrhachis hodgsoni requires arboreal housing with vertical space and climbing opportunities. Use a tall formicarium or vertical nest with bamboo sections, cork bark, or artificial plants for silk weaving. Avoid horizontal test tube setups entirely. The outworld should have branches or mesh for climbing. Escape prevention is important but not critical for this size ^[2][3].

Feeding and Diet

In the wild, they farm hemipterans for honeydew. In captivity, offer constant sugar water or honey, and protein like fruit flies or crickets twice weekly. Remove uneaten prey after 24-48 hours to prevent mold ^[2].

Temperature and Humidity

Keep temperatures at 24-28°C using a heating cable if needed. Humidity should be moderate to high, with substrate kept moist but not waterlogged. Ensure good airflow to prevent mold ^[2].

Colony Structure and Growth

Colonies are monogyne with a single queen and multiple nest sites. Growth is moderate, with colonies reaching several hundred workers over time ^[3].

Unique Weaver Ant Behavior

Workers weave bamboo leaves with silk to create protective pavilions and tend hemipterans for honeydew. This trophobiosis is key to their ecology ^[2][3].

Frequently Asked Questions

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References