Polyrhachis pagana

Quick Summary

• Difficulty: Medium
• Origin & Habitat: India (Karnataka and Tamil Nadu) in the Indomalaya region ^[1]. Found in tropical habitats of the Western Ghats.
• Colony Type: Colony structure is unconfirmed. Based on genus patterns, Polyrhachis species are often monogyne (single queen), but specific data for P. pagana is lacking.
• Size & Growth:
  • Queen: Size data unavailable, no specific measurements for queens
  • Worker: 6.75±0.72 mm ^[2]
  • Colony: Up to several hundred workers, inferred from typical Polyrhachis colonies
  • Growth: Moderate, based on typical Polyrhachis development patterns
  • Development: Development time is unknown, no species-specific data available (Development may vary with temperature and conditions)
• Antkeeping:
  • Temperature: Keep at 24-28°C, these are tropical ants requiring warm conditions ^[1].
  • Humidity: Provide a moist nest substrate but ensure good ventilation ^[3].
  • Diapause: No diapause required, this is a tropical species ^[1].
  • Nesting: Polyrhachis species often prefer arboreal or ground nests in rotting wood or under bark ^[3]. In captivity, Y-tong nests or naturalistic setups work well.
• Behavior: Polyrhachis pagana is generally calm and not overly aggressive. Workers are active foragers, likely collecting honeydew and small insects. They are moderate escape artists due to their size, use standard barrier methods. They may show territorial behavior around the nest entrance ^[3].
• Common Issues: tropical species requires consistent warmth, cold drafts can be fatal, colonies may be slow to establish initially, patience is needed, escape prevention should be maintained though they are not extreme escape artists, humidity balance is critical, too wet causes mold, too dry causes desiccation, wild-caught colonies may have parasites that affect captive survival

Housing and Nest Preferences

Polyrhachis pagana does well in Y-tong (AAC) formicarium nests which provide dark, secure chambers. Alternatively, a naturalistic setup with rotting wood pieces or cork bark works well, as this species often nests in wood in the wild ^[3]. The nest should be kept humid but not waterlogged. Provide a generous outworld area for foraging, as workers are active. Ensure good ventilation to prevent mold buildup while maintaining adequate humidity.

Feeding and Diet

In the wild, Polyrhachis ants are omnivorous, feeding on honeydew and small insects. In captivity, offer sugar water or honey for energy, and protein sources like small crickets or mealworms 2-3 times per week. Remove uneaten prey after 24-48 hours to prevent mold. Fresh water should always be available.

Temperature and Seasonal Care

As a tropical species from India, P. pagana requires warm temperatures between 24-28°C ^[1]. Temperatures below 20°C for extended periods can weaken the colony. Use a heating cable or mat on one side of the nest to create a gentle thermal gradient. Unlike temperate species, they do not require diapause, but you may reduce feeding slightly during winter months to simulate natural slowdown.

Behavior and Colony Dynamics

Polyrhachis pagana workers are active and alert. They are generally non-aggressive toward keepers but will defend their nest if threatened. Workers forage individually for honeydew and prey. Colony growth is moderate, expect several months before seeing significant numbers as the queen raises her first brood ^[3].

Frequently Asked Questions

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References