Dorylus stadelmanni

Quick Summary

• Difficulty: Expert
• Origin & Habitat: Central Africa, specifically the Democratic Republic of Congo and Rwanda ^[1][2]. They inhabit tropical forest environments typical for Dorylus army ants.
• Colony Type: Army ant colonies are nomadic and form living clusters called bivouacs. We do not know the exact social structure or queen number for this species.
• Size & Growth:
  • Queen: size data unavailable
  • Worker: size data unavailable
  • Colony: Unknown, Dorylus colonies are typically very large
  • Growth: Unknown
  • Development: Unknown, army ant development varies by species and temperature (Development is likely temperature-dependent, but exact timelines are unstudied.)
• Antkeeping:
  • Temperature: Unknown, but tropical Dorylus species typically thrive around 24-28°C. Provide a stable environment and avoid sudden drops.
  • Humidity: High humidity is essential. Keep the nest substrate consistently moist but not waterlogged to prevent desiccation.
  • Diapause: Unknown, but tropical species typically do not require winter dormancy. Maintain warm conditions year-round.
  • Nesting: Army ants form bivouacs instead of permanent nests. Provide a dark, humid chamber using Y-tong, plaster, soil, or 3D-printed nests. Never use acrylic nests.
• Behavior: Highly active predators that raid in coordinated swarms. They are excellent escape artists and require strict containment. Workers are polymorphic, with larger majors capable of delivering painful bites. Colonies are nomadic and will regularly relocate their bivouac site.
• Common Issues: escape through tiny gaps is highly likely due to their nomadic nature, constant movement requires frequent setup adjustments, high protein demands mean you must feed large quantities daily, desiccation risk if humidity drops below optimal levels, stress from disturbance can cause colony collapse

Housing and Bivouacs

Army ants do not build permanent nests. In nature, they cluster around the queen in hollow logs, under rocks, or in leaf litter. In captivity, you need to recreate this living cluster. Use a dark, humid chamber made from Y-tong, plaster, soil, or 3D-printed material. Never use acrylic nests, as they offer poor humidity retention and can stress the colony. Connect the bivouac area to a spacious foraging zone. Because the colony is nomadic, they will constantly try to move. Provide a secure lid and seal all seams to prevent escapes. You can use damp cotton or substrate to help them form their characteristic cluster ^[3].

Diet and Feeding

Dorylus stadelmanni are strict carnivores. They hunt in massive swarms and consume insects, spiders, and other arthropods. In captivity, you must feed them large quantities of protein daily. Offer crickets, roaches, mealworms, or frozen bloodworms. Remove uneaten prey quickly to prevent mold and pests. Sugar water can be offered occasionally, but protein is their main requirement. A mature colony will eat a lot, so be prepared to source fresh insects regularly. Watch how they handle prey to adjust portion sizes.

Temperature and Humidity

As a tropical species from the Democratic Republic of Congo and Rwanda, they need warm and humid conditions ^[1][2]. Keep the environment around 24-28°C. Use a heating mat or cable on one side to create a gradient. Maintain high humidity by keeping the nest substrate consistently moist but not waterlogged. Army ants dry out quickly, so monitor moisture levels daily. Avoid temperature drops below 22°C, as this slows activity and can harm brood. You do not need to simulate winter dormancy, but keep conditions stable year-round.

Identification and Biology

You can identify males by their light brown bodies, darker rusty brown heads, and dark wings with black veins ^[3]. The thorax carries silky pubescence and long, obliquely erect hairs. Workers and queens look different from males, but specific measurements and caste details are unstudied for this species. Army ants are known for their nomadic raids and massive colony sizes. We do not know if they use claustral or semi-claustral founding, so you must observe new queens carefully. Provide minimal disturbance to let the colony establish itself.

Frequently Asked Questions

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References