Temnothorax proteii

Temnothorax proteii

Temnothorax proteii is a tiny ant species endemic to Crete, Greece, you won't find it anywhere else on Earth. Workers measure just 0.55-0.75mm in head length, making them one of the smaller ants in the hobby. They have a rusty brown to orange body with a distinctive dark patch on the head, and feature propodeal spines and longitudinal striation on the head that helps distinguish them from similar species ^[1]. This species shows remarkable morphological variation, some workers are larger with thicker body sculpture and well-developed spines, while others are smaller with denser sculpture and shorter spines. The species was named after the Greek sea-god Proteus, known for changing his shape, precisely because of this variation ^[1]. In the wild, they are the most abundant Temnothorax species on Crete, found in blackberry bushes along roads, deciduous forests, macchia, and bushes growing along streams and rivers ^[1][2].

Quick Summary

• Difficulty: Medium
• Origin & Habitat: Endemic to Crete, Greece. Found in blackberry bushes growing along roads, deciduous forests, macchia, and bushes overgrowing banks of streams or rivers ^[1][2]. Probably nests in dry branches or galls, no natural nests have ever been found ^[1].
• Colony Type: Single-queen colonies (monogyne). Colony structure is typical for the genus.
  • Colony: Monogyne
  • Founding: Claustral
• Size & Growth:
  • Queen: Unconfirmed, likely 4-6mm based on typical Temnothorax queen size
  • Worker: 0.55-0.75mm head length (approximately 2-3mm total body length) ^[1]
  • Colony: Unknown for this species, typical Temnothorax colonies reach 100-500 workers
  • Growth: Moderate, based on typical genus development patterns
  • Development: Estimated 6-10 weeks at optimal temperature based on related Temnothorax species (Development time is inferred from genus-level data since no species-specific research exists. Expect slower growth than faster-developing genera like Lasius.)
• Antkeeping:
  • Temperature: Keep at 20-24°C. Mediterranean origin suggests they prefer warm conditions. A gentle temperature gradient allows workers to choose their preferred zone.
  • Humidity: Moderate humidity around 50-70%. They inhabit areas near streams and forests, suggesting they tolerate varied moisture levels. Provide a water tube and occasional misting of the outworld.
  • Diapause: Likely required. As a temperate/Mediterranean species from Crete, they probably need a winter rest period of 2-3 months at 10-15°C. This is inferred from typical Temnothorax overwintering behavior.
  • Nesting: Probably nested in dry branches or galls in the wild ^[1]. In captivity, Y-tong (AAC) nests or plaster nests work well for these tiny ants. They prefer tight chambers scaled to their small size.
• Behavior: Generally peaceful and non-aggressive. Like most Temnothorax, they are shy and will flee rather than fight when threatened. Workers are small but active foragers. Escape prevention is critical due to their tiny size, they can squeeze through remarkably small gaps. Use fine mesh barriers and tight-fitting lids.
• Common Issues: escape prevention is critical due to their very small size, they squeeze through tiny gaps, no captive breeding data exists, this is a newly described species with no established husbandry protocols, wild-caught colonies may have parasites or diseases that can wipe out the colony, slow growth compared to common hobby species may lead to beginner impatience, Mediterranean origin suggests they need winter diapause, skipping this may harm the colony long-term

Housing and Nest Setup

Temnothorax proteii requires careful housing due to its tiny worker size. Y-tong (AAC) nests or plaster nests work well because they provide the tight chambers these small ants prefer. Avoid large, open spaces, these ants feel safer in snug accommodations. Use a test tube setup for the founding colony, then move to a small formicarium once the colony reaches 30-50 workers. Escape prevention is absolutely critical, these ants can squeeze through gaps you wouldn't believe possible. Use fine mesh (at least 0.5mm) on any ventilation holes and ensure all connections are sealed with fluon or similar barriers. The outworld should be simple with minimal decorations to make feeding and observation easier. A small foraging area with a water tube is sufficient for colonies under 100 workers. ^[1][2]

Feeding and Diet

Like other Temnothorax species, T. proteii likely accepts a standard ant diet. Offer sugar water or honey water as a constant energy source, these tiny workers need regular carbohydrates. For protein, provide small live prey like fruit flies, springtails, or other micro-arthropods. Since workers are only 2-3mm, prey items should be appropriately sized, much smaller than what you'd feed a Camponotus colony. Feed small amounts 2-3 times per week, removing uneaten food promptly to prevent mold. The Mediterranean origin suggests they may have a varied diet in the wild, but no specific dietary studies exist for this species.

Temperature and Seasonal Care

Maintain temperatures around 20-24°C for optimal colony health and brood development. As a Cretan endemic, this species is adapted to Mediterranean conditions with warm summers and mild winters. During summer months, room temperature is likely appropriate for most keepers. In winter, provide a diapause period of 2-3 months at 10-15°C, this is typical for temperate ant species and likely necessary for long-term colony health. Place the nest on one side of the enclosure and use a gentle heat gradient so workers can regulate their own temperature by moving between warmer and cooler areas. Avoid temperatures below 10°C or above 30°C. ^[1]

Colony Establishment

Since this species was only described in 2018 and no natural nests have ever been found ^[1], established captive protocols don't exist. If you obtain a founding queen, expect claustral founding behavior, she will seal herself in a chamber and survive on stored fat reserves while raising the first brood. The first workers (nanitics) will be smaller than mature workers and may take 6-10 weeks to emerge based on typical Temnothorax development. Be patient, these small colonies grow slowly. Queens are likely 4-6mm based on typical genus size, though this specific measurement is unconfirmed. Wild-caught colonies may carry parasites, so quarantine and observe new colonies carefully before introducing them to established setups.

Behavior and Handling

Temnothorax proteii is likely a peaceful, non-aggressive species typical of the genus. Workers are small and shy, more likely to flee than to defend the colony. They probably use tandem-running (where one worker leads another to food sources) for recruitment, a common behavior in this genus. Watch for workers exploring the outworld and quickly recruiting nestmates when food is discovered. Despite their small size, they are active foragers. They do not have a functional stinger, like other Myrmicinae, they rely on formic acid and biting for defense. Handle with care as any ant can bite if threatened, though these tiny ants are unlikely to cause any discomfort.

Frequently Asked Questions

References