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

Azteca delpini

Non-Parasitic Queen No Gamergate
Sci. Name
Azteca delpini
Tribe
Leptomyrmecini
Subfamily
Dolichoderinae
Author
Emery, 1893
Distribution
Found in 4 countries
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Introduction

Azteca delpini are tiny tree-dwelling ants with workers measuring 2-3.5 mm . Their color varies from yellowish-brown to entirely yellow depending on the population . They live across the Neotropical region from Brazil and the Guianas to the Caribbean islands of Guadeloupe, Dominica, and Trinidad [AntWiki]. These ants are aggressive and form long organized lines of workers moving up and down palm trees . When walking, workers hold their abdomen raised in the air .

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

Native Invasive Introduced (indoor) Intercepted Unknown
2000 - 2026

Quick Summary

  • Difficulty: Expert
  • Origin & Habitat: Neotropical region including Brazil (Mato Grosso, Pará), French Guiana, Guatemala, Guyana, Suriname, Trinidad and Tobago, and the Lesser Antilles [4][5][6][2][3]. They are arboreal, nesting on palm trees and moving along branches [2][3].
  • Colony Type: Unknown. One nest observation found many winged queens present simultaneously [3], but whether these represent multiple reproductive queens or a nuptial flight aggregation is unconfirmed.
  • Size & Growth:
    • Queen: Size data unavailable.
    • Worker: 2-3.5 mm [1].
    • Colony: Unknown.
    • Growth: Unknown.
    • Development: Unknown. (Development timeline is not documented for this species.)
  • Antkeeping:
    • Temperature: Specific requirements unconfirmed. Based on tropical distribution, likely needs warm conditions around 25-28°C.
    • Humidity: Likely moderate to high humidity given arboreal habits in tropical forests. Keep nest materials lightly moist but not wet.
    • Diapause: No, tropical species from regions without cold seasons do not require winter rest [4].
    • Nesting: Arboreal vertical setups with branches or twigs. They will not thrive in horizontal soil nests or standard test tubes [2][3].
  • Behavior: Aggressive, fast-moving arboreal ants that travel in distinct columns along branches and palm trees [2][3]. Workers move with their abdomen raised [3]. Their tiny size makes them excellent escape artists.
  • Common Issues: tiny size means escapes are inevitable without perfect barriers and fine mesh., arboreal habits require specialized vertical setups that most beginners do not have., fast column movement makes them difficult to contain during feeding or maintenance., lack of specific captive care documentation means most husbandry is guesswork.

Nest Preferences

In nature, Azteca delpini live on palm trees and move in distinct columns along branches [2][3]. One nest was found containing many winged queens [3]. For captive keeping, you need a vertical setup with branches or twigs rather than a horizontal soil nest. A tall outworld with live or artificial plants and vertical climbing surfaces is essential. They will not thrive in standard test tube setups or ground-based formicaria.

Temperature and Care

Specific temperature requirements are unconfirmed. Based on their distribution across tropical Brazil, French Guiana, and the Caribbean [4][5], they likely need warm stable conditions around 25-28°C. They do not require hibernation given their tropical origins. Keep humidity moderate to high given their arboreal habits in tropical forests.

Feeding and Diet

Their specific diet has not been documented in the available research. Like other Azteca species, they likely accept sugar sources and small insects, but captive feeding protocols remain unconfirmed.

Behavior and Temperament

These are fast, aggressive ants [2]. They form long processions on palm trees [2] and move quickly in worker columns on branches [3]. Their tiny size combined with fast movement makes them excellent escape artists. Workers characteristically raise their abdomen when walking [3], which may be a defensive posture or communication signal.

Colony Founding

Founding behavior is unconfirmed for this species.

Reproduction and Nuptial Flights

One observation found a nest containing many winged queens [3], but whether this represents multiple reproductive queens or a nuptial flight aggregation is unclear. The timing of nuptial flights is unknown.

Frequently Asked Questions

Can I keep Azteca delpini in a test tube?

No. These are arboreal ants that need vertical space with branches to climb [2][3]. A test tube setup will not meet their needs.

How long until Azteca delpini first workers arrive?

Unknown. Development timelines are not documented for this species.

Do Azteca delpini need hibernation?

No. They come from tropical regions without cold seasons and do not require winter rest [4].

Are Azteca delpini dangerous?

They are described as aggressive [2], but at only 2-3.5 mm they are too small to cause significant harm to humans. They may bite if threatened.

Can I keep multiple Azteca delpini queens together?

Unconfirmed. While one wild nest contained many winged queens [3], this does not mean unrelated queens can be combined in captivity. Attempting multi-queen setups risks fighting.

What do Azteca delpini eat?

Their specific diet is unconfirmed. Like other Azteca, they likely accept sugar water and small insects, but you will need to experiment to find what they accept.

What is the best nest type for Azteca delpini?

An arboreal setup with vertical branches or twigs. They need climbing surfaces and will not do well in soil-based nests [2][3].

Why are my Azteca delpini dying?

Common causes include inappropriate horizontal nesting (they need vertical space), escape attempts causing stress, or dehydration. Their care requirements are poorly documented, making them difficult to keep alive.

Are Azteca delpini good for beginners?

No. Their tiny size, escape artist tendencies, arboreal requirements, and lack of care documentation make them suitable only for expert antkeepers.

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References

Creative Commons License

This caresheet is licensed under CC BY-SA 4.0 .