Dolichoderus indrapurensis

Quick Summary

• Difficulty: Medium
• Origin & Habitat: Borneo, Sumatra, Malaysia, Singapore ^[1]. They live in tropical rainforests, especially in leaf litter and alluvial forests, often near climbing bamboo where their hemipteran partners live ^[2][3][4].
• Colony Type: Forms large colonies, but whether they are monogyne or polygyne is not confirmed from available research ^[1].
• Size & Growth:
  • Queen: Size data unavailable – inferred from Dolichoderus genus may be around 8–10 mm.
  • Worker: Size data unavailable – inferred from Dolichoderus genus may be around 4–6 mm.
  • Colony: Documented as forming large colonies in the wild, but precise worker numbers aren't recorded ^[1].
  • Growth: Moderate – tropical species, likely steady growth under good conditions.
  • Development: Unknown – estimated 6–8 weeks at warm temperatures (25–28°C) based on typical tropical Dolichoderus patterns. (Development times depend on stable warmth and humidity.)
• Antkeeping:
  • Temperature: Keep warm: 24–28°C is a common target for tropical species. A gradient is fine, but avoid drops below 20°C.
  • Humidity: High humidity. Keep the nest substrate consistently moist but not waterlogged, mirroring rainforest leaf litter conditions.
  • Diapause: No – as a tropical ant, it doesn't need a winter dormancy period. Keep conditions stable year-round ^[1].
  • Nesting: Best kept in a naturalistic setup: a Y‑tong, plaster, or soil nest with dark, humid chambers. Include rotting wood, leaf litter, and places to hide.
• Behavior: Generally peaceful, but they defend their hemipteran partners and nest vigorously. Workers form clear foraging trails and are active both day and night. Like other Dolichoderines, they lack a stinger and rely on chemical sprays. They're strong climbers, so secure escape prevention is needed.
• Common Issues: tropical species struggle in cool or dry conditions – always keep warmth and humidity high., they need a constant sugar source (honey, sugar water) because they're adapted to honeydew from hemipterans., large colony size means you'll need plenty of space as it grows., wild‑caught colonies could carry unwanted hitchhikers (mites, parasites)., avoid overheating above 30°C.

Housing and Nest Setup

Mimic their rainforest leaf litter habitat. Use a mix of soil and peat as substrate, plus pieces of rotting wood, dried leaves, and small stones. Dark, humid nest chambers are a must – these ants avoid open spaces. A Y‑tong or plaster nest works well if you can keep the substrate damp. Plan for growth because colonies get large. An outworld with easy food access is fine, but seal all openings tightly, as they are active climbers.

Feeding and Diet

In the wild they tend hemipterans (membracids, mealybugs, Delphacidae) for honeydew ^[2][3][1]. In captivity, give them a constant supply of sugar water, honey, or diluted honey. For protein, offer small insects like fruit flies, pinhead crickets, or mealworms. Feed protein 2–3 times a week and keep the sugar source available at all times. They depend on a steady carbohydrate intake, so never skip the sugar.

Temperature and Humidity Control

These ants come from warm, wet tropical forests. Aim for 24–28°C – you can use a heating cable or mat on one side of the nest. Don't let the temperature drop below 20°C. Humidity should be high: keep the nest substrate moist (but not soaking). A small water reservoir inside the nest helps. Mist the outworld as needed. Avoid placing the setup near air‑conditioning vents or in rooms with big temperature swings.

Colony Dynamics and Growth

Mature colonies can be large – several hundred to maybe a thousand or more workers – but exact numbers aren't recorded ^[1]. Growth is moderate under stable warmth and humidity. The queen is the sole egg‑layer (if monogyne, though that's not confirmed). Workers are active year‑round and form strong foraging trails. They tend to cluster around sugar sources and will defend them aggressively ^[2][3].

Behavior and Observation Tips

The most interesting thing about this species is the trophobiosis: they live closely with hemipterans, protecting them for honeydew ^[2][3]. In captivity you'll see them methodically tending their sugar sources. Workers are alert and may spray a chemical scent if threatened – they can't sting. They're clean ants that keep their nest tidy. Provide hiding spots and minimal disturbance to observe natural foraging and resource guarding.

Year‑round Care

Because they're tropical, skip any hibernation. Keep temperature and humidity steady all year. You might see small activity shifts that match wet or dry seasons in their home range, but overall they stay active. That means no winter break for you – plan to maintain feeding and moisture checks throughout the year.

Frequently Asked Questions

Report an Issue

The current care sheet is based fully on literature. See inconsistencies, or something that's incorrect? Please report here, it will be resolved after review from an admin. Contributing to the blogs tab also helps providing information, to make us be able to further improve the caresheets. Thank you for your support!

References