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

Carebara kofana

Non-Parasitic Queen Nem Gamergate
Tud. név
Carebara kofana
Nemzetség
Crematogastrini
Alcsalád
Myrmicinae
Szerző
Fernández, 2004
Elterjedés
0 országban megtalálható

Bevezetés

Carebara kofana is one of the smallest ants in the world, with workers measuring just 1.26 mm in total length . These tiny brown ants inhabit the cloud forests of Colombia and are practically blind, possessing only a single eye facet (ommatidium) each . Scientists have only ever found two specimens of this species - one collected at 700 meters elevation and another at 1000 meters in the Kofán Territory of Nariño department . They live in the leaf litter of tropical montane forests, where they likely hunt even smaller soil creatures. Because they belong to the Carebara escherichi species complex, they look very similar to Carebara semistriata, but you can tell them apart by the tiny standing hairs on their middle and hind legs .

Elterjedési térkép betöltése...

Státusz országonként, innen: Kass et al. 2022 & Wong et al. 2023

Őshonos Invazív Behurcolt (beltéri) Feltartóztatott Ismeretlen
Adatforrások
Évtartomány 2000 - 2026

Quick Summary

  • Difficulty: Expert
  • Origin & Habitat: Colombia, specifically the Kofán Territory in Nariño and Putumayo departments, at 700-1000 meters elevation in tropical montane forest leaf litter [1][3][2].
  • Colony Type: Unknown, no colony data exists for this species.
  • Size & Growth:
    • Queen: Unknown, queens have never been collected or described.
    • Worker: 1.26 mm total length (extremely small) [1].
    • Colony: Unknown, likely small based on typical Carebara patterns, but unconfirmed.
    • Growth: Unknown
    • Development: Unknown (No development data exists for this species.)
  • Antkeeping:
    • Temperature: Likely warm and stable around 22-26°C based on tropical montane origin. Avoid cold temperatures below 18°C.
    • Humidity: High humidity required, think damp forest floor conditions. Keep substrate moist but not waterlogged.
    • Diapause: Likely not needed, tropical species from equatorial Colombia probably do not require winter rest.
    • Nesting: Unknown in captivity. In nature they inhabit leaf litter and soil. A naturalistic setup with deep leaf litter and soil might work, but this is untested.
  • Behavior: Unknown in captivity. Their extremely small size (1.26mm) means escape prevention must be perfect, they can fit through gaps invisible to the naked eye.
  • Common Issues: extreme scarcity, only two specimens exist in scientific collections, making them unavailable in the ant trade., unknown founding behavior means you cannot predict how to start a colony even if you found a queen., tiny size (1.26mm) means standard ant keeping equipment is too large, they can escape through mesh barriers that stop larger ants., unknown dietary requirements, we do not know what they eat in nature beyond likely being generalist predators of microfauna., no captive breeding records exist, everything about keeping them alive is untested.

Natural History and Collection Data

Carebara kofana is known from exactly two worker specimens collected in September 1998 in the Kofán Territory of Colombia [1]. One came from 700 meters elevation, the other from 1000 meters, both collected from leaf litter samples using Winkler extraction methods [1][2]. This tells us they live in the forest floor litter layer of tropical montane forests, probably in moist, shaded conditions. The species name honors the Kofán community who assisted with biological surveys in their territory [1]. They belong to the escherichi species complex within Carebara, characterized by their minute size and reduced eyes.

Morphology and Identification

These ants are extraordinarily small. Workers measure only 1.26 mm in total length [1]. Their eyes are reduced to a single ommatidium, essentially making them blind, a common trait in deep leaf litter ants that navigate by touch and chemical senses instead of sight [1]. The body is brown with lighter legs and a darker gaster (abdomen). The head and thorax have distinctive sculpturing, the head has dense tiny punctures, while the middle of the thorax shows fine longitudinal lines mixed with punctures [1]. You can distinguish them from the similar Carebara reina by looking for standing hairs on the middle and hind legs, C. kofana has four tiny hairs on each of these leg segments, while C. semistriata lacks them entirely [1].

Captive Keeping Reality

Honestly, you are extremely unlikely to ever keep Carebara kofana. Only two specimens exist in museums, and the species has never entered the ant keeping trade. If you somehow obtained specimens, you would face enormous challenges. Their 1.26 mm size means they can escape through the tiniest gaps in standard formicariums. We do not know if they need a queen to establish (founding behavior is unconfirmed), what they eat, how fast they develop, or how large colonies grow. If you are interested in tiny Carebara species, look for more common relatives like Carebara diversa or other small Myrmicinae that have established care guidelines. [1]

Frequently Asked Questions

Can I buy Carebara kofana for my ant farm?

No. This species is not available in the ant keeping trade. Only two specimens have ever been collected by scientists, and they reside in museum collections in Colombia [1][2].

How big do Carebara kofana colonies get?

We do not know. Scientists have only found two individual workers, never a colony. Colony size is completely unconfirmed for this species [1].

What do Carebara kofana eat?

Their diet is unconfirmed. Based on their leaf litter habitat and Carebara genus patterns, they likely hunt tiny soil arthropods like springtails and mites, but this is speculation.

How long does Carebara kofana take from egg to worker?

Unknown. No one has ever observed their development timeline.

Do Carebara kofana need hibernation?

Probably not. They come from tropical Colombia near the equator, where temperatures stay relatively stable year-round. Tropical ants typically do not require winter diapause.

How do I identify Carebara kofana?

You probably cannot unless you have a microscope and scientific training. They are 1.26 mm long, brown, with only one eye facet, and have four tiny standing hairs on each middle and hind leg. They look almost identical to Carebara reina except for those leg hairs [1].

Are Carebara kofana dangerous?

No. At 1.26 mm long, they are far too small to sting or bite humans effectively. They are harmless, though their escape risk due to tiny size is a practical concern.

What temperature do Carebara kofana need?

Unknown, but likely warm and stable around 22-26°C based on their tropical Colombian origin. Avoid cold temperatures below 18°C.

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References

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