Scientific illustration of Pheidole zhoushanensis ant - showing key identification features including head, thorax, and gaster.

Pheidole zhoushanensis

Monogínica Non-Parasitic Queen Não Gamergate
Nome científico
Pheidole zhoushanensis
Tribo
Attini
Subfamília
Myrmicinae
Autor
Li & Chen, 1992
Distribuição
Encontrada em 0 países

Introdução

Pheidole zhoushanensis is an ant species found only on Daishan Island in Zhejiang Province, China . Major workers are about 4.9 mm long, black with lighter brown antennae and legs . Their heads are slightly longer than wide, with longitudinal striations and a reticulate pattern on the upper half . Like other Pheidole, they have a two-caste system with large majors and smaller minors. However, very little is known about their biology in the wild, making them a challenging species for antkeepers .

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Status por país, desde Kass et al. 2022 & Wong et al. 2023

Nativa Invasiva Introduzida (Ambiente urbano/interno) Interceptada Desconhecido
Fontes de dados
Intervalo de anos 2000 - 2026

Quick Summary

  • Difficulty: Hard
  • Origin & Habitat: Daishan Island, Zhejiang Province, China, collected from mountain habitats [1]
  • Colony Type: Unconfirmed, but likely single-queen based on typical Pheidole patterns
  • Size & Growth:
    • Queen: Size data unavailable, no measurements for queens
    • Worker: Major workers: 4.9 mm total length [1], minor workers: size unknown
    • Colony: Unknown
    • Growth: Moderate (estimated)
    • Development: Estimated 8-10 weeks at 25°C based on temperate Pheidole patterns (Development speed likely varies with temperature)
  • Antkeeping:
    • Temperature: Keep active colonies at 20-26°C, provide winter rest at 10-15°C from November to February, inferred from collection date and climate [1]
    • Humidity: Keep nest substrate consistently moist but not waterlogged, based on typical Pheidole habitat
    • Diapause: Yes, winter diapause from November to February, inferred from temperate location [1]
    • Nesting: Prefer small chambers in soil or rotting wood, captive colonies suit Y-tong, plaster, or naturalistic setups
  • Behavior: Minors are active foragers, majors defend the nest. Not aggressive, but majors can bite. Moderate escape risk due to minor size
  • Common Issues: major workers can become trapped in narrow passages due to their large heads [1]., colonies may fail if winter rest period is skipped, based on temperate origin., limited research means you must observe closely and adjust care based on colony response.

Nest Preferences

In nature, these ants likely nest in soil or rotting wood based on their mountain habitat on Daishan Island [1]. For captive colonies, provide small chambers with narrow entrances that make majors feel secure. Y-tong nests, plaster nests, or naturalistic setups with soil work well. Keep the nest area moderately humid, the substrate should feel damp but not muddy [2].

Feeding and Diet

Their exact diet is unstudied, but Pheidole species are generally omnivorous. Offer a mix of protein and carbohydrates, such as small insects like fruit flies and sugar water. Feed small amounts frequently to prevent mold [2].

Temperature and Seasonal Care

Daishan Island has a temperate climate with distinct seasons. Keep active colonies at 20-26°C during spring and summer. Based on the November collection date, they likely need a winter rest period from November to February at 10-15°C [1]. During this cool period, brood development slows down.

Behavior and Worker Castes

These ants show the classic Pheidole two-caste system. Minor workers are small and do most foraging and nursing. Major workers are the 4.9 mm black ants with big heads described in the research [1]. They use powerful jaws to crush food and defend the nest. Majors typically stay near the nest entrance, while minors explore the outworld.

Colony Founding

Founding behavior has not been documented for this species [1]. Most Pheidole queens are claustral, meaning they seal themselves in a chamber until workers hatch. If you have a queen, provide a standard test tube setup and do not disturb her.

Frequently Asked Questions

Can I keep Pheidole zhoushanensis in a test tube?

Yes, founding queens and small colonies fit well in standard test tubes. Use a water reservoir for humidity. Ensure the cotton plug is secure, major workers have large heads but can still push through loose cotton.

How long until first workers for Pheidole zhoushanensis?

Unknown for this specific species. Based on temperate Pheidole patterns, expect roughly 8-10 weeks at 25°C, possibly longer at cooler temperatures.

Do Pheidole zhoushanensis need hibernation?

Yes, they require winter diapause from November to February, inferred from their temperate location [1]. Cool them to 10-15°C during this period.

What do Pheidole zhoushanensis eat?

Unconfirmed in the wild. In captivity, offer small insects like fruit flies and sugar water, based on typical Pheidole diet.

Can I keep multiple Pheidole zhoushanensis queens together?

Not recommended. While unconfirmed for this species, most Pheidole are single-queen and queens likely fight if combined.

Are Pheidole zhoushanensis good for beginners?

Probably not. The lack of specific care data means you must troubleshoot without guides. Try well-documented Pheidole species first.

Why are my Pheidole zhoushanensis major workers dying?

Majors may get stuck in narrow passages or test tube entrances due to their large heads [1]. Ensure nest connections are wide enough. They also die naturally after months of service.

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References

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