Platythyrea nicobarensis

Quick Summary

• Difficulty: Medium
• Origin & Habitat: Native to the Andaman and Nicobar Islands in India. This is a tropical island habitat with year-round warm temperatures and high humidity ^[2].
• Colony Type: Colony structure is unconfirmed. Based on typical Platythyrea patterns, colonies are likely monogyne with single queens.
• Size & Growth:
  • Queen: size unknown, inferred from Platythyrea genus (~5-7mm)
  • Worker: size unknown, inferred from Platythyrea genus (~5-7mm)
  • Colony: up to a few hundred workers
  • Growth: Moderate
  • Development: Estimated 6-10 weeks based on typical Ponerinae development at tropical temperatures (Development timeline is estimated from related species, specific data for this species is unavailable)
• Antkeeping:
  • Temperature: Keep warm and stable, roughly 24-28°C year-round. A heating cable on one side of the nest can create a suitable gradient.
  • Humidity: Keep the nest substrate consistently moist but not waterlogged. Tropical island habitats provide constant moisture.
  • Diapause: Unknown. Tropical species typically do not require formal hibernation.
  • Nesting: Nesting preferences are unconfirmed. Based on typical Platythyrea behavior, they likely nest in soil, rotting wood, or under stones. A Y-tong (AAC) nest, plaster nest, or soil nest works well.
• Behavior: Ponerinae ants are typically predatory and use a stinger to subdue prey. They are likely active foragers compared to many Formicinae species. Escape prevention is moderate, standard barriers usually suffice.
• Common Issues: humidity control is critical, too dry and colonies will fail, temperature drops below 22°C can kill the colony, predatory diet means live prey is essential for survival, slow colony growth may cause beginners to abandon the nest

Origin and Distribution

Platythyrea nicobarensis is native to the Andaman and Nicobar Islands, a chain of islands in the Bay of Bengal belonging to India. The species was first described by Auguste Forel in 1905 from specimens collected on the Nicobar Islands during the Galathea Expedition ^[1]. This is a limited island distribution, making this species relatively rare in ant collections. The tropical climate provides clues about this species' care requirements ^[2].

Appearance and Identification

Workers of Platythyrea nicobarensis are dark brown to black with a relatively slender and elongated body shape. Size data is unavailable, inferred from Platythyrea genus (~5-7mm). The genus Platythyrea is characterized by their flattened bodies and distinct head shape. In captivity, you can identify them by their medium size, dark coloration, and the characteristic Ponerinae body proportions. If you obtain queens, they will be larger than workers, as is typical in this genus.

Housing and Nesting

Since specific nesting data is unavailable for this species, recommendations are based on typical Platythyrea and Ponerinae behavior. They likely prefer humid nest environments such as moist soil, rotting wood, or spaces under stones in nature. For captivity, a Y-tong (AAC) nest, plaster nest, or soil nest with good moisture retention works well. Keep the nest substrate consistently moist but not waterlogged. Provide an outworld for foraging allows you to observe their hunting behavior.

Feeding and Diet

As a Ponerinae species, Platythyrea nicobarensis is likely primarily predatory, hunting small invertebrates for protein. Feed them small live prey such as fruit flies, pinhead crickets, mealworms, or other appropriately-sized insects. They probably accept sugar sources like honey water or sugar water, though Ponerinae typically rely more on protein than sweets. Feed protein prey 2-3 times per week and offer sugar water continuously. Remove uneaten prey after 24 hours to prevent mold issues.

Temperature and Humidity Requirements

Being native to the tropical Nicobar Islands, this species requires warm and humid conditions. Maintain temperatures around 24-28°C year-round. A slight temperature gradient in the nest allows the ants to regulate their own conditions. Humidity needs are unconfirmed, keep the nest substrate consistently moist but not waterlogged. Avoid temperature drops below 22°C for extended periods.

Colony Development

Specific colony development data is not available for this species. Based on related Ponerinae, expect the first workers (nanitics) to emerge approximately 6-10 weeks after the queen lays eggs, assuming optimal temperature around 26°C. Initial colony growth will be slow as the queen raises her first brood alone. Once workers emerge, growth accelerates but remains moderate compared to faster-growing genera like Camponotus. Colonies likely reach up to a few hundred workers at maturity.

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