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IDENTIFICATION IS THE KEY TO ANT CONTROL

Syngenta offers a full range of ant control products, giving pest managers the best chance of achieving colony elimination.

One of the most challenging tasks facing today’s pest management professional is managing ants in commercial and domestic environments. Ants are huge drivers of pest control business and, when handled with effective techniques, provide a great revenue opportunity.

Managing ants is challenging because they are surprisingly complex insects. Ants are one of the most prolific groups of organisms on the planet, with high diversity and seemingly endless numbers. Further to this, these large populations can either be polygyne (multiqueen) or monogyne (single-queen) colonies. Such diversity means correct identification requires expertise, as features used to identify ants – such as antennal segments, colouration, hairs and spines – often require magnification to see.

Dealing with outdoor ant problems can be particularly challenging as you can be dealing with extremely large populations and treating large areas. Equally, it may be about preventing ants from entering the building, as they search for nutrients and moisture or to escape unfavourable weather conditions. With ants able to squeeze through the smallest of gaps, they can be difficult to exclude. As such, ant control programs need to be thorough, often requiring a combination of products to be used.

However, as control measures can be species-specific, techniques that are effective for one species may be ineffective for another similar-looking ant in the same region. A well trained pest manager must be able to perform basic ant identification in the field and understand effective techniques for the ant species in their region.

Ant identification can be daunting but using a high quality hand lens is a great place to start. Most later model smartphones have high-resolution cameras with excellent zoom features – a great tool at your fingertips. With practice, it is possible to identify the most common species without magnification once familiar with their general size, colour and behavioural characteristics.

One useful tip is to always have sample-collecting tools on hand (such as methylated spirits and an appropriate container) in case you encounter something unfamiliar. Collecting a sample gives you the opportunity to learn about another species. Various resources are available if you need help identifying an unfamiliar ant.

Once the species is identified, the real work begins – developing a plan to manage the population. Baits are often part of a proposed ant management program and they can deliver colony control. However, it is recommended to have multiple products on hand to allow for testing in small placements, as preferences and efficacy can vary across species, seasons and regions.

Although gel baits and granular baits can be effective across a range of species, no bait can appeal to all the species a pest manager can encounter. As a result, Syngenta has a range of ant baits available. Advion Ant Gel combines food-grade inert carriers, attractants and carbohydrates to enhance its appeal to all key sweet-feeding ant species. Another product, Optigard Ant Bait Gel (pictured above) remains highly palatable for at least 14 days, and while both products have a broad spectrum of ant species listed on the label, anecdotally some species prefer one over the other. Advion and Optigard kill not just the worker, but also the queen and colony, reducing callbacks and delivering better results for your clients. If ants are still present two weeks after application of the bait, this means a new or large colony is present and re-treatment may be necessary. By having both Advion and Optigard on hand, pest managers can be sure they’ll have species preferences covered.

Some baits are highly attractive to specific ant species. Advion Fire Ant Bait, for example, has been formulated to appeal to oil- and protein-feeding ants such as red imported and tropical fire ants. Research has indicated that Advion Fire Ant Bait can provide effective colony control in as little as 72 hours and can be used any time of year, keeping areas free of those aggressive, painful and invasive pests.

To prevent ants entering buildings a comprehensive perimeter residual treatment is a must. Demand 100CS Insecticide is effective as a perimeter treatment and also provides control of a range of other common pests. It delivers residual control of up to 12 months indoors and three months outdoors. The long-lasting control is delivered courtesy of iCAP technology, encasing the active ingredient in a polymer microcapsule.

A non-repellent alternative, Arilon Insecticide, can also be used for broad spectrum ant control and works especially well in conjunction with Advion Ant Gel, which is also powered by indoxacarb. Once the ants are under control, a repellent spray application of Demand 100CS will stop further ingress from external ants.

Adapted from article by: Eric Paysen, Technical Services Manager, Syngenta Professional Pest Management, USA.