Cataglyphis
Cataglyphis viatica
Nuptial Flight Calendar
Care Guide
Cataglyphis viatica is one of the most striking and thermophilic ant species in the hobby, renowned for its incredible speed and resilience in scorching desert environments. The queen measures between 10 and 13 mm, while workers range from 6 to 11 mm, displaying a modest size variation but no dramatic polymorphism. What truly sets these ants apart is their behaviour: they are among the fastest runners in the ant world, capable of covering ground at astonishing speeds even on the hottest surfaces. This species is semi-claustral, meaning the queen must forage during the founding phase, which adds a layer of complexity to early colony development. Once established, a mature colony can number between 500 and 3,000 workers.
Care difficulty
Keeping *Cataglyphis viatica* is considered advanced, primarily due to their extreme heat requirements and semi-claustral founding. These ants thrive at temperatures between 26 and 34°C, with a preference for the upper end of that range. Humidity must be kept very low — between 30 and 50% — mimicking their native arid steppes and salt flats. They require a dry nest with only a small, well-separated hydration area. Overly damp conditions will quickly lead to stress and disease. Hibernation is mandatory; from late autumn through winter, the colony should be gradually cooled to a steady 14°C for three to four months. Without this cold period, the queen may stop laying and the colony’s health will decline. Their diet is protein-rich: they eagerly take insects such as flies, crickets, and mealworms, along with sugar water or honey water. A steady supply of both is essential for brood development and worker activity.
Housing
Choosing the right formicarium is critical. *Cataglyphis viatica* needs a nest with excellent ventilation and the ability to maintain high temperatures. A heated arena or a heat cable under part of the nest is almost mandatory. The nest substrate should be dry and non-porous — plaster, ytong, or a sand-clay mix works well — but avoid materials that retain moisture. The outworld should be spacious and equipped with a deep sand or substrate layer, as these ants are prodigious diggers and often create impressive tunnel systems. A small water tube or test tube plugged with cotton in the outworld provides hydration without raising nest humidity. These ants are photophobic and sensitive to vibrations, so place the setup in a quiet, dim location. They are also master escape artists — ensure the outworld has a tight-fitting lid or a fluon barrier.
First days after purchase
Upon receiving your colony, transfer the ants — queen, workers, and brood — into a clean, pre-warmed test tube setup or a small, dry nest chamber. Place the entire formicarium in a quiet, darkened spot at around 28°C and allow the colony to settle for at least 24 hours without disturbance. During this acclimatisation period, do not open the nest. After the first day, offer a single small insect and a drop of sugar water in the outworld. Observe carefully: if the queen refuses to forage, you may need to gently offer food directly at the nest entrance. Maintain consistent warmth and low humidity, and resist the urge to handle or move the setup. Within a week, the colony should begin exploring and feeding, marking the start of a fascinating journey with one of the most heat‑loving ants in the hobby.