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

Procryptocerus lenkoi

Monogynous Non-Parasitic Queen No Gamergate
Sci. Name
Procryptocerus lenkoi
Tribe
Attini
Subfamily
Myrmicinae
Author
Kempf, 1969
Distribution
Found in 1 countries

Introduction

Procryptocerus lenkoi is a Myrmicine ant from the tribe Cephalotini, native to southeastern Brazil. The genus name means 'hidden head' due to their specialized head shape. Size data is unavailable for this species. It is found only in Barueri, São Paulo, and Nova Teutônia, Santa Catarina . They typically nest in dead wood in humid forests . A key feature is their cryptic head morphology, which may help them avoid predators in their natural habitat.

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Status by country, from Kass et al. 2022 & Wong et al. 2023

Native Invasive Introduced (indoor) Intercepted Unknown
Data Sources
Year Range 2000 - 2026

Quick Summary

  • Difficulty: Medium
  • Origin & Habitat: Southeastern Brazil, specifically São Paulo and Santa Catarina regions, in humid forest habitats [1][2].
  • Colony Type: Colony structure is unconfirmed. Based on related Cephalotini species, they may be monogyne, but multiple queens have been found in type specimens [1].
  • Size & Growth:
    • Queen: Size data unavailable
    • Worker: Size data unavailable
    • Colony: Estimated up to 500 workers based on typical Cephalotini colony sizes.
    • Growth: Moderate
    • Development: Estimated 8-12 weeks at optimal temperatures. (Development time may vary with temperature.)
  • Antkeeping:
    • Temperature: Keep nest area at 24-28°C. A temperature gradient is ideal. Based on their Brazilian distribution [2].
    • Humidity: Keep substrate consistently moist but not waterlogged. Aim for high humidity, as they inhabit humid forests [2].
    • Diapause: No diapause required, as they are from tropical Brazil.
    • Nesting: Use Y-tong, plaster, or soil nests that retain moisture. They prefer tight, enclosed spaces.
  • Behavior: Workers are docile and slow-moving. They have a sting, as typical for Myrmicinae, but it is not medically significant. Escape risk is high due to small size, use fine mesh.
  • Common Issues: high humidity management is critical, too dry causes desiccation, too wet causes mold., slow growth requires patience., small size requires fine mesh to prevent escapes., parasites from wild-caught colonies can be difficult to treat.

Housing and Nest Preferences

Procryptocerus lenkoi does well in setups that mimic their natural dead wood habitat. In the wild, they nest in rotting wood or under bark in humid forests [2]. In captivity, use Y-tong, plaster, or soil nests that retain moisture. Provide tight, enclosed chambers scaled to their small size, as they prefer cozy spaces. Ensure the nest material can hold moisture without becoming waterlogged.

Feeding and Diet

Like other Cephalotini species, Procryptocerus lenkoi likely has an omnivorous diet. Offer small live prey for protein and sugar sources for carbohydrates. Feed every 2-3 days for established colonies, removing uneaten prey after 24 hours.

Temperature and Humidity Requirements

As a Brazilian Neotropical species, keep the nest area at 24-28°C with a temperature gradient. Humidity should be high, with substrate consistently moist but not waterlogged [2].

Colony Development and Growth

Colonies grow slowly. Expect first workers approximately 8-12 weeks after founding at optimal temperatures. Growth accelerates after 10-20 workers but remains moderate.

Behavior and Handling

Workers are docile and slow-moving. They have a sting but it is not medically significant. Escape risk is high due to small size, use fine mesh on all openings.

Frequently Asked Questions

How long does it take for Procryptocerus lenkoi to produce first workers?

Expect first workers approximately 8-12 weeks after founding at optimal temperatures (24-28°C). This is slower than many ant species, so patience is required.

Can I keep Procryptocerus lenkoi in a test tube setup?

Yes, test tubes can work for founding colonies. Use a test tube with a water reservoir and keep it in a humid, warm area. Upgrade to a larger nest once the colony reaches 20+ workers.

What do Procryptocerus lenkoi eat?

They are omnivorous. Offer small live prey for protein and sugar sources like honey water for carbohydrates. Feed protein 2-3 times per week.

Are Procryptocerus lenkoi good for beginners?

They are intermediate difficulty due to specific humidity and temperature needs. Experience with tropical ants is helpful.

How big do Procryptocerus lenkoi colonies get?

Based on related species, colonies likely reach up to 500 workers at maturity.

Do Procryptocerus lenkoi need hibernation?

No, as a tropical species from Brazil, they do not require hibernation. Maintain warm temperatures year-round.

Why are my Procryptocerus lenkoi dying?

Common causes include low humidity, temperatures below 24°C, mold from excess moisture, or stress from disturbance. Check conditions first.

When should I move my colony to a formicarium?

Move to a larger nest once the colony reaches 20-30 workers and space is cramped. Ensure similar humidity levels.

Can I keep multiple Procryptocerus lenkoi queens together?

This is not recommended unless experienced. Single-queen colonies are safer and more predictable.

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References

Creative Commons License

This caresheet is licensed under CC BY-SA 4.0 .