Why Are Ants Suddenly Everywhere? What Melbourne Homeowners Need to Know This Spring
As the weather starts to warm up across Melbourne, you might notice ants appearing in places where you haven’t seen them for months. One day your kitchen benches are clear, and the next you’re finding lines of ants making their way towards the pantry, crawling around the bathroom sink or appearing along your window sills. It’s no secret that spring can bring an increase in ants and other common household pest activity, and once they find a reliable source of food or water, they can quickly become a nuisance.
Ants are active throughout the year, but rising temperatures and changing weather conditions can make them more noticeable during spring. Outdoor nests become more active, workers begin searching for food, and ants may move indoors when conditions outside are less favourable. Even a small amount of food residue or a persistent moisture source can be enough to attract them into your home.
Pestline’s professional ant control services are designed to identify the source of ant activity and determine the most effective treatment for your property.
If you’ve started noticing ants around your property, understanding where they’re coming from and what’s attracting them is the first step towards getting the problem under control. Whilst a few ants don’t necessarily indicate a major infestation, persistent trails or repeated sightings in different rooms can suggest there’s a nest nearby or an established colony that’s becoming difficult to manage.
Below, we explain why ants suddenly appear during spring, the common types of ants found around Melbourne homes, and what you can do to prevent them from becoming a persistent problem.
Table of Contents
- Why Ants Are Suddenly Everywhere in Spring
- Common Ants in Melbourne Homes
- DIY Ant Baits vs Professional Ant Treatment
- FAQs
- When To Call For Ant Control In Melbourne
Why Ants are Suddenly Everywhere in Spring
Spring season can bring about an increase in the number of creepy crawlies you’ll find around your home. Ants will still be present during colder months but as temperatures decrease they tend to slow down. As temperatures start to warm up you will notice an increase in worker ants looking for food, water and space to grow their colony.
You may find yourself noticing ants walking across your kitchen benchtop, near the bin area or maybe even walking along the garden path. This is usually because the ants have been there all along, just becoming more noticeable as temperatures rise.
Warmer Temperatures Encourage Foraging
As ants are cold-blooded insects, their body temperature is affected by their environment. When it starts to get warmer, most species of ants will become more active and start to look for food.
Worker ants will venture out from their nest to find suitable food to bring back to their colony. Once they find what they are looking for they can create a trail for others to follow.
This is why you may see one ant near your pantry and then all of a sudden there’s a line of ants making their way from that small drop to where they may be coming in from. The colony could have been around your property for a while just as soon as they find a food source that is easily accessible, they will start to venture into your home.
Ants After Rain and Changes in Soil Moisture
Melbourne weather can fluctuate during spring. You may notice an increase in ants after it has rained. Depending on how wet your soil is can affect where ants will burrow.
Some ants may dig deeper or move to another location after heavy rain as their nest could have been flooded. Others may increase their activity levels once it has stopped raining. You may notice them around your home entering in through cracks around doors, windows, pipes or foundations of your home.
Established Colonies Are Searching for Food
There can be many factors as to why ants are around your property. Depending on the type of ant colony they can consist of hundreds, if not thousands or even millions of ants. Most of the ants you will find around your home are worker ants that are gathering food to take back to their nest.
These ants will release pheromones to let others know where they have found food. This is why you may see a long line of ants coming from one location. If you notice them heading towards one spot clean that area. There may still be an issue with ants continuing to enter your home if the colony is around your property.
Common Ants in Melbourne Homes
Many different types of ants can invade your home. Learning what kind of ant it is can help you work out the best method to get rid of that ant. Some will be after sugar while others may want to eat grease and meats. There are also some that will only nest outside and some that will take over your home.
Below are some of the common ants you will find around homes in the Melbourne area.
Black House Ant
These ants are typically black in colour and will often be found invading your home looking for food. As they love sweet food items, they will try to consume anything in your house that they can get their hands on.
They will usually build their nests outside your home. This could be in your garden or even along paths or other objects. However they will also build nests inside your home in walls, ceilings and behind cupboards or skirting boards.
If you are seeing these little black house ants all over your kitchen benches or running along your walls it could be due to them building a nest nearby. By wiping them off, you may clear the area for a short period of time. If the ants keep appearing, you may need to look into why.
Coastal Brown Ant
Coastal brown ants are also commonly found around homes throughout the Western suburbs, Brighton, Sandringham, Frankston, and South East Melbourne. These ants can range in colour from light to dark brown and usually nest outside in soil, gardens and rockeries or under paths.
Because they eat all kinds of food, they will consume anything you leave out that contains grease or meat. So make sure you keep your kitchen free from crumbs and rubbish tightly sealed.
Like the black house ant, the coastal brown ant builds nests in the cracks of your walls and behind skirting boards. If you are constantly finding these ants in your home then they may be coming from outside or have a nest inside your house.
Argentine Ant
Argentine ants are another type of small slender ant that is usually brown in colour. They love sugar and will feed on many other items. They will nest outside your home around grass and trees and around buildings. But will invade your home when they are looking for food or when the weather is wet.
These ants can travel very far from their nest. They may have built many nests around your neighbourhood. To eliminate these ants, you will need to treat the whole area.
Carpenter Ants and Sugar Ants
The term sugar ant is commonly used for several Australian ants, including some carpenter ants. Their appearance and behaviour can vary depending on the species, so it’s important not to assume every large or dark ant belongs to the same group.
Carpenter ants commonly nest in decaying wood, rotting timber, soil and other protected locations. Unlike termites, they generally excavate existing soft or damaged wood rather than consuming timber as a food source. They don’t usually tunnel through sound, dry timber, although their presence around damp or deteriorating wood may indicate another maintenance issue worth investigating.
Some ants referred to as sugar ants are attracted to sweet foods and may travel considerable distances between their nest and a food source. If you’re finding larger ants around windows, garden plants or outdoor entertaining areas, observing where they travel can help you identify where they’re coming from.
Bull Ant
Because bull ants are larger than other ants, they’re more obvious when you come across them outdoors. They can also be quite aggressive and will sting if they feel threatened.
Bull ants will normally nest in soil around your garden area. You may not notice them often unless you walk past their nest or are playing in your yard. If they are building their nest close to where your family walks every day, it is best to have them checked out by a pest controller.
DIY Ant Baits vs Professional Ant Treatment
When ants suddenly appear, it’s natural to reach for a household spray or ant bait. These products can be useful in some situations, but their effectiveness depends on the ant species, the location of the nest and the type of treatment being used.
Understanding the difference between treating visible ants and addressing an established colony can help you decide what to do next.
Why DIY Ant Treatment Sometimes Fails
One of the biggest problems with DIY ant control is that visible activity doesn’t necessarily show you where the colony is located. Spraying a line of ants may kill the workers you can see, but it won’t necessarily affect the nest or the queen. If the colony remains active, more workers can follow the same route or establish new trails elsewhere.
Baits can also be ineffective if they don’t appeal to the species involved. Some ants prefer sweet foods, whilst others are more interested in protein or grease. Incorrect placement, competing food sources and unsuitable treatment methods can all limit results.
If ants keep returning after you’ve tried several methods, it’s worth stepping back and identifying the species and the likely location of the nest rather than continuing to apply different products without a clear plan.
What Professional Ant Treatment Involves
Professional ant control focuses on identifying the source of the problem before selecting a suitable treatment. This typically involves inspecting the affected areas, following ant trails, assessing possible entry points and locating nests where possible.
Depending on the species and the extent of the infestation, treatment may involve targeted baiting, insecticide applications or dust treatments in appropriate concealed spaces. A combination of methods may be necessary when ants are nesting in several locations or entering from an extensive outdoor colony.
Professional treatment also takes account of the surrounding environment, including potential food sources, moisture problems and areas where children or pets may come into contact with treatment products.
Pestline’s ant control services in Melbourne include inspection, species identification and targeted treatment options for residential and commercial properties. The team can assess where ants are nesting, identify potential access points and recommend an appropriate approach based on the conditions at your property.
If you’re struggling to get an ant problem under control, contact Pestline for professional ant control in Melbourne and discuss the best next steps for your home.
FAQs
Why do I have ants in my house?
There could be many reasons why you may be noticing ants in your home. Higher temperatures can cause them to forage more during the springtime. They may also travel to your home if the ground has changed. If workers find a good source of food or water they may come back and bring others. It’s possible that you have had an ant colony around your house for a while and are only noticing now.
How do I get rid of ants in my kitchen?
Ensure you have cleared all crumbs and mess. Keep food in airtight containers and clear any food that is readily accessible around cupboards and appliances. Once you know where they are coming from you can place an appropriate ant bait to help eliminate them. You may need to get an ant treatment done if they continue to come back.
Why do I have ants in my bathroom?
Ants love to forage for water, so if you have ants in your bathroom, that’s probably what is drawing them in. There may be a tap leaking or areas of your house that have become wet. You may also want to check for small holes around your pipes that they can crawl through.
Why do I have ants in my bedroom?
If you have ants in your bedroom it could be due to crumbs or drinks that may be left out. Another possibility is that they may be coming from outside and making their way into your house. Once you know where the ants are coming from you can act accordingly. If the activity does not stop you may want to investigate further.
How do I get rid of ants outside?
By keeping any food that is available away from them. Keeping your bin closed, removing fallen fruit and treating areas of your house that they may be attracted to. Depending on what type of ants you have will dictate the best course of action to get rid of them.
Are ants in my walls a bad sign?
Ants may just be crawling through your walls but if you notice them appearing often in these areas it may be a sign of an ant nest or they are using your walls as a passageway. Speak to us if this happens so we can determine why they are appearing in your home.
Do ants sleep?
Ants do sleep. Scientists believe that ants take short naps during the day and night. It may seem strange to see ants wandering around your house but this is normal behaviour.
When should I call an ant exterminator?
If you have ants appearing in your home and are having trouble getting rid of them it is best to speak to an ant exterminator. If you think you have an ant nest in your walls or they are constantly reappearing then give us a call today.
When To Call For Ant Control In Melbourne
Ants tend to be around Melbourne properties more often during the spring. It can be worrying when you see them pop up but usually this isn’t due to an infestation. When it’s warmer the ants will travel further, and if there is a small food or water source, they will start coming into your house.
There are a few things you can do to prevent this, such as keeping your house tidy, storing your food properly and making sure you have no excess moisture. But if you continue to see trails or the ants seem to be coming out of a certain area then you may need to target the nest.
Try to find what is attracting them to your home. Identify where they may be entering from, and try to remove the problem. You may get some success by targeting the worker ants, but there is always a chance they will return if you don’t target the nest.
Contact us today if you are having issues with ants at your home or business. We’re able to help with ant control in Melbourne and put together a solution for your situation.
Written by Matthew Behman
Matthew Behman is a certified pest control expert in Melbourne with over a decade of experience managing pests in homes, gardens, and commercial properties. Solving common types of problems including spider nests, cockroaches, bed bugs, termites etc. Matthew is committed to delivering affordable and comprehensive pest management services tailored to meet the unique needs of residential and commercial clients.
