Lasius brunneus

Description

Description of the species Lasius brunneus

Lasius brunneus is a European species of ant also known as the tree ant or the shy ant. These names aptly reflect its nature. In the wild, these ants are closely associated with trees, wood and bark, whilst leading a rather secretive lifestyle. They are not the sort of ants that constantly scurry about in open spaces. They prefer to move along walls, in crevices and in places that give them a sense of security.

In terms of appearance, Lasius brunneus is distinguished by its more striking colouration than the classic Lasius niger. The workers usually have a brownish thorax and head, and a distinctly darker abdomen. The colony has no soldiers, so all the workers are quite similar to one another, although they may vary in size as the colony develops.

The difficulty level of keeping Lasius brunneus

Lasius brunneus is an easy species to keep, but a little more reclusive than the most popular ants for beginners. It is a good choice for anyone who wants to start their adventure with European ants and doesn’t mind that the colony may develop slowly and without much haste at first.

These ants are neither aggressive nor particularly problematic. The most important thing when keeping them is to ensure stable conditions, access to water and regular feeding. It is worth remembering that, as a European species, Lasius brunneus requires hibernation. This period of rest helps the colony to function in accordance with its natural seasonal rhythm.

Guidelines for rearing Lasius brunneus

Cork, wooden, acrylic and 3D nests are all suitable for Lasius brunneus. Given this species’ natural preference for wood, a formicarium with a cork element would be an excellent choice. It is best to manage a young colony gently, without providing too much space to begin with.

The diet of Lasius brunneus is simple. The ants should have access to a source of sugars, such as water mixed with honey, and protein in the form of feed insects. In the wild, honeydew is an important part of their diet, so sweet foods will be particularly important for them.

It is best to keep the formicarium at room temperature, within a range of approximately 21–27 degrees Celsius. In winter, the colony should be moved to a cooler place and allowed to hibernate for around 2–3 months at a temperature of 4–8 degrees Celsius.

Why choose Lasius brunneus?

Lasius brunneus is an interesting alternative for those who are already familiar with Lasius niger or wish to start with a species that is more forest-dwelling in nature. They are calm, small and very interesting to observe, particularly when the colony begins to grow and organise its space within the nest.

These ants are ideal for the patient keeper who enjoys observing natural behaviour rather than simply watching the colony grow rapidly. If you’re looking for a European species with straightforward requirements, an interesting appearance and a secretive nature, Lasius brunneus will be an excellent choice.