Iridomyrmex purpureus

Description

Iridomyrmex purpureus – Australian ‘meat ants’, a colony that’s always on the move

Iridomyrmex purpureus is the species for those who want a formicarium where there’s really something going on. A large queen (13–16 mm) and sizeable workers (6–11 mm) form a diurnal, exceptionally active colony with distinct trails and constant movement in the arena. Add to that the metallic-purple sheen of their bodies – in good light, these ants can look like living, glittering beads.

Detailed description Iridomyrmex purpureus

In the wild, Iridomyrmex purpureus are known as ‘meat ants’ – they march across the open, sun-drenched landscapes of Australia, forming long trails to their food sources: carrion, insects, nectar and honeydew. They build their nests in the ground, often with large mounds and an extensive network of tunnels just below the surface.

In breeding, this translates into several things:

• these are diurnal ants – they are most active in daylight, so they are ideal for ‘daytime viewing’,

• they like large arenas – they feel most at home where they can actually set out a course, rather than just running a couple of steps,

• Recruitment is instantaneous – as soon as one worker finds food, you’ll have a whole ‘squad’ in the arena in no time.

The colony thrives in temperatures of 24–30°C, in a moderately humid nest (40–60%) and a dry, well-ventilated enclosure. This species does not hibernate – there is no ‘dormant season’; activity is spread throughout the year.

Advantages of Iridomyrmex purpureus

• The “always active” colony – the perfect species if you’d rather not just watch a few workers in a test tube, but a lively, bustling formicarium.

• Daytime mode – everything is visible in normal daylight, without the need for red lighting.

• Metallic sheen – the purple-metallic glow against the dark body looks stunning on a stage with a light-coloured backdrop.

• Intensive foraging – demonstrates the full extent of the ‘ant colony’s organisation’: reconnaissance, communication along the trail, and an increase in the number of foragers at the food source.

• No dormancy – no enforced downtime – you can observe its growth throughout the year.

Terms and conditions and running of the summer camp

The socket should:

• tend to be wide rather than tall, with a system of corridors and rooms,

• ensure good ventilation – this species originates from sunny areas and does not tolerate stuffy, damp ‘cellars’,

• have only a partially moistened area, whilst the rest can be drier.

Arena is the key to Iridomyrmex:

• the bigger, the better – it’s a ‘trail’ variety,

• substrate: sand, fine gravel, stones, pieces of dry bark,

• mandatory escape barrier e.g. Talkohol, regularly renewed.

Feeding:

• sugars: almost always available (honey mixed with water, gels, special mixes),

• protein: 2–3 times a week as the colony grows – insects fed in portions, with any leftovers removed after 24 hours,

• water: a drinking bowl with cotton wool/mesh, always available.

Who is this genre for?

• For keepers who already have some basic experience with ants and are looking for a larger, faster, more demanding species.

• For those who prefer to keep an eye on trails, recruitment and heavy traffic rather than just sitting quietly at home.

• For those who want a stunning formicarium – something that immediately catches the eye of guests.

If you dream of a large, diurnal, hyperactive colony that will turn your arena into a bustling ‘motorway junction’ – Iridomyrmex purpureus is the perfect choice. Add the species to your basket, plan a larger arena with a good barrier, and stock up on sugars and proteins – and in return you’ll get ants that are truly hard to get bored with.