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

Atta cubana

Monogynous Non-Parasitic Queen No Gamergate
Sci. Name
Atta cubana
Tribe
Attini
Subfamily
Myrmicinae
Author
Fontenla Rizo, 1995
Distribution
Found in 0 countries

Introduction

Atta cubana is a leafcutter ant found only on Isla de la Juventud, a small island off the coast of Cuba . Scientists described this species in 1995 based on specimens collected from coastal areas with sandy soil . Since then, researchers have been unable to obtain fresh specimens for DNA studies, so its exact relationship to other leafcutters remains unclear . Some scientists think it might be the same species as Atta insularis, which also lives on Cuba . In nature, it lives in coastal regions with sandy soils, unlike Atta insularis which prefers forests and grasslands . As a member of the leafcutter ant genus, Atta cubana grows fungus gardens for food. However, this species is essentially unavailable to antkeepers because it is restricted to Cuba and has only been collected a handful of times. If you see "Atta cubana" for sale, you are likely looking at a different leafcutter species being sold under the wrong name.

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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: Expert
  • Origin & Habitat: Endemic to Cuba, specifically Isla de la Juventud, occupies coastal regions with sandy soils [1][2]
  • Colony Type: Likely single-queen colonies based on typical Atta genus patterns, though specific details remain unconfirmed
  • Size & Growth:
    • Queen: size data unavailable
    • Worker: likely polymorphic with size ranges typical of the genus, inferred from Atta
    • Colony: Unconfirmed
    • Growth: Unknown
    • Development: Unconfirmed, based on other Atta species, development likely takes 6-10 weeks at warm temperatures around 25-28°C (Development time is estimated from related Atta species, not confirmed for A. cubana specifically.)
  • Antkeeping:
    • Temperature: Warm tropical conditions around 24-28°C, exact requirements unconfirmed but based on Cuban coastal habitat and Atta genus patterns [2]
    • Humidity: High humidity essential for fungus garden health, maintain damp substrate conditions similar to other leafcutter ants
    • Diapause: No, this is a tropical species
    • Nesting: In nature, nests in sandy coastal soils [2], in captivity would require a specialized fungus garden setup with high humidity control
  • Behavior: As a leafcutter ant, workers cut vegetation to grow fungus for food. Colonies likely have polymorphic workers of different sizes specializing in different tasks. They are active foragers and skilled climbers. They possess a functional stinger but it is less medically significant to humans than fire ant stings.
  • Common Issues: unavailable in the ant trade due to restricted Cuban endemic status., fungus garden failure is the primary cause of death in captive leafcutter colonies., high humidity requirements increase risks of mold and mite infestations., constant supply of fresh leaves required, colony dies without proper fungus maintenance., escape prevention is critical, Atta workers are excellent climbers and small minors squeeze through tiny gaps.

Rarity and Availability

You cannot buy Atta cubana in the ant trade. This species is restricted to Isla de la Juventud, a Cuban island where collecting wildlife is regulated [1][2]. Scientists have only found this species a few times since its discovery in 1995, and recent studies cannot obtain fresh specimens for DNA analysis [1][2]. If you see someone selling "Atta cubana," they are likely misidentifying another leafcutter species, possibly Atta insularis which is more common on Cuba [2].

Natural History and Habitat

Atta cubana lives in coastal areas with sandy soils on Isla de la Juventud [2]. This habitat differs from its relative Atta insularis, which prefers forests and grasslands further inland [2]. Both species occur on Cuba, but they occupy different niches [2]. The coastal sandy soil preference suggests this species may tolerate slightly different drainage conditions than forest-dwelling leafcutters, though it still requires the high humidity typical of the genus.

Leafcutter Biology and Fungus Cultivation

Like all Atta ants, Atta cubana grows fungus gardens for food. The ants do not eat leaves directly, they cut plant material and chew it into a pulp to grow their fungus. The queen starts her colony with a small fungus pellet carried from her parent colony, sealing herself in a chamber while the first workers develop. The colony cannot survive without this fungus, making fungus garden health your top priority. If the fungus dies, the colony starves.

Housing and Environmental Needs

In nature, Atta cubana nests in sandy coastal soils [2]. In captivity, leafcutter ants need a specialized setup with three main parts: a humid fungus garden chamber, a foraging area for cutting leaves, and a waste dump area. Keep temperatures warm and stable around 24-28°C based on their tropical origin [2]. Maintain high humidity around 70-80% to prevent the fungus from drying out, but ensure good airflow to prevent mold. Use a heating cable on one side of the nest to create a temperature gradient, placing it on top rather than underneath to avoid flooding the chambers.

Feeding Requirements

Atta cubana requires a constant supply of fresh plant material to feed their fungus garden. Offer fresh leaves from unsprayed plants such as bramble, rose, oak, or citrus. Remove old or moldy plant material immediately to prevent contamination of the fungus. You can also offer small pieces of fruit and flowers. Do not offer protein sources like insects or seeds, leafcutter ants eat only fungus grown on plant material.

Frequently Asked Questions

Can I buy Atta cubana ants?

No. This species is endemic to Cuba and has only been found on Isla de la Juventud. It is not available in the ant trade and collecting Cuban wildlife is restricted.

Is Atta cubana the same as Atta insularis?

Possibly. Some researchers suggest Atta cubana might be a junior synonym of Atta insularis, meaning they could be the same species. They occur in the same region but prefer different habitats, A. cubana likes coastal sandy soils while A. insularis prefers forests and grasslands.

What do Atta cubana eat?

Like all leafcutter ants, they grow fungus gardens using fresh vegetation. The ants do not eat the leaves directly, they chew them into a pulp to grow their fungus food. They likely accept a variety of fresh leaves, flowers, and fruits like other Atta species.

How big do Atta cubana colonies get?

The maximum colony size is unconfirmed. Based on other Atta species, colonies likely grow to contain thousands of workers, but specific data for A. cubana does not exist.

What temperature do Atta cubana need?

Keep them warm and stable, around 24-28°C. This estimate is based on their tropical Cuban origin and the requirements of other Atta species. They do not tolerate cold temperatures.

How long until Atta cubana get their first workers?

The development time is unconfirmed. Based on related Atta species, expect roughly 6-10 weeks from egg to first worker at warm temperatures around 25-28°C.

Do Atta cubana need hibernation?

No. This is a tropical species from Cuba that remains active year-round. They do not require a winter rest period.

Can I keep multiple Atta cubana queens together?

This is not recommended. Atta species are typically single-queen, and combining unrelated queens usually leads to fighting. Additionally, finding even one queen of this rare species would be extremely unlikely.

Why are my Atta cubana dying?

If you somehow obtained this species, the most likely causes of death are fungus garden failure, incorrect humidity, or temperature stress. However, you likely do not have Atta cubana, you may have a different leafcutter species. True Atta cubana is restricted to Cuba and not available in the pet trade.

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References

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