Pheidole marieannae

Quick Summary

• Difficulty: Medium
• Origin & Habitat: Northern Madagascar (Antsiranana region), specifically Marojejy National Park. Found in rainforest and littoral rainforest habitats at 10-550m elevation, nesting in rotten logs and soil ^[1].
• Colony Type: Unconfirmed, no specific literature on queen number. Based on Pheidole genus patterns, likely monogyne (single queen), but this is not confirmed for this species.
• Size & Growth:
  • Queen: Size data unavailable, no total length measurements in research literature.
  • Worker: Size data unavailable, no total length measurements in research literature.
  • Colony: Unknown, no data on maximum colony size for this species.
  • Growth: Moderate, inferred from tropical habitat.
  • Development: Estimated 5-8 weeks at optimal temperatures, based on typical Pheidole development patterns. (Development time may vary with temperature and feeding conditions.)
• Antkeeping:
  • Temperature: Keep warm, roughly 24-28°C, based on tropical rainforest habitat ^[1]. Provide a temperature gradient using a heating cable on one side of the nest.
  • Humidity: Keep substrate consistently moist but not waterlogged, as this species comes from humid rainforest environments ^[1].
  • Diapause: No, tropical species from Madagascar do not require hibernation.
  • Nesting: Provide a naturalistic setup with moist soil and rotting wood pieces, or a Y-tong or plaster nest with moisture retention, as they naturally nest in rotten logs and soil ^[1].
• Behavior: Workers are generally non-aggressive and focused foraging. Major workers have propodeal spines but are not highly defensive. This species has a sting as primary defense, but it is less medically significant to humans. Escape prevention should be moderate, they can squeeze through small gaps, so ensure enclosures are secure.
• Common Issues: humidity control is critical, dry conditions can cause colony decline in this rainforest species., colonies may be slow to establish initially, founding queens can take time to raise first workers., rotten wood substrate can develop mold if kept too wet, balance moisture carefully., wild-caught colonies may carry parasites that can devastate captive colonies., minor workers are tiny, ensure escape barriers are appropriate for both castes.

Housing and Nest Setup

Pheidole marieannae naturally nests in rotten logs, rotten sticks on the ground, and soil in Madagascar's rainforests ^[1]. For captive care, use a container with a moist substrate mix of soil and rotting wood pieces. Alternatively, a Y-tong or plaster nest with moisture chambers works well, as long as humidity is maintained. Keep the substrate damp but not waterlogged, and provide a water tube to help with moisture.

Feeding and Diet

Pheidole ants are generalist omnivores. Offer protein sources like small insects (e.g., fruit flies, pinhead crickets) and carbohydrate sources like sugar water or honey. Feed protein 2-3 times per week and keep a constant sugar water source available. Remove uneaten prey after 24-48 hours to prevent mold.

Temperature and Seasonal Care

Keep the nest area warm at 24-28°C, as this species comes from tropical Madagascar ^[1]. Use a heating cable on one side to create a temperature gradient. No hibernation is needed, keep them warm year-round.

Colony Development

Colonies grow with major and minor workers. The queen lays eggs, which hatch into larvae cared for by workers. After pupation, first workers emerge. Expect 5-8 weeks from egg to first worker at optimal temperatures, based on typical Pheidole patterns. Colony growth may be slow initially.

Behavior and Temperament

Workers are calm and not aggressive. Major workers have propodeal spines for defense, but this species is not known for swarming. They have a sting as primary defense, but it is less significant to humans. Escape prevention is important due to small minor workers.

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