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Bed bug treatment — identification to eradication
Bed bugs show up as itchy bites in lines or clusters, rust-coloured spots on sheets, and shed shells along mattress seams. DIY sprays rarely reach the eggs. Southern Pest Co treats bed bugs across the Sutherland Shire and St George with a staged program — quoted after a free inspection, and typically two to three visits.
What do bed bug bites look like?
Bed bug bites are usually small, red, raised and itchy, and they turn up on skin that was exposed while you slept — arms, shoulders, neck, back and legs. The pattern is the tell: bed bugs feed, shuffle a few millimetres and feed again, leaving three or four bites in a rough line or a tight cluster. Some people react strongly with welts, others show almost nothing, so it is common for one partner to be bitten to bits while the other in the same bed has no marks at all.
Bites on their own do not confirm bed bugs, because flea and mosquito bites can look similar. Here is roughly how they differ:
| What bit me | Where on the body | Pattern | Other clues |
|---|---|---|---|
| Bed bugs | Arms, neck, back — anywhere exposed in bed | Lines or tight clusters | Blood spots on sheets, shells along mattress seams |
| Fleas | Mostly ankles and lower legs | Small clusters, often a red dot in the centre | Pets scratching; bites after sitting on the carpet |
| Mosquitoes | Any exposed skin, usually outdoors | Random, single bites | Raised straight away, worse near water and at dusk |
If the bites are on your ankles and the dog will not stop scratching, it is more likely fleas — see our flea treatment page.
Signs of bed bugs on your mattress
Bites can be misleading, but the mattress tells the truth. Strip the bed and run through this five-point check with a torch:
- Rust or dark red smears on the sheets — crushed bugs or blood spots after feeding.
- Dark, ink-like specks along the seams — bed bug droppings.
- Pale, papery shed skins as the bugs grow and moult.
- Live bugs — flat, reddish-brown and about the size of an apple seed — tucked into seams, the tag and the frame joins.
- A sweetish, musty smell, which shows up only in heavier infestations.
Do not stop at the mattress. Check the bed frame, the headboard, the skirting boards behind the bed and any bedside cracks — bed bugs shelter within a couple of metres of where you sleep.
How do you get bed bugs?
Bed bugs are hitchhikers, not a sign of a dirty home. The most common way they arrive is travel — they crawl into luggage in a hotel or hostel and ride home with you. Second-hand furniture and used mattresses are the next biggest source, followed by shared laundry and, in units, bugs moving through wall cavities from an adjoining flat. Spotless homes and grubby ones get them alike, so there is nothing to be embarrassed about — the sooner you call, the smaller the job.
Why DIY bed bug treatment usually fails
Bed bugs are one of the hardest household pests to clear yourself. The eggs are cemented into tiny cracks where a surface spray never reaches, and the adults hide deep in frames, skirtings and wall voids during the day. Worse, supermarket bombs and foggers tend to scatter them — the survivors bolt into the next room or the neighbouring unit, and a one-room problem becomes a whole-home one. That is why the get-rich-quick sprays so often leave people worse off a fortnight later.
Our treatment process
Every job starts with a free inspection so we can confirm it really is bed bugs and map how far they have spread. From there we run a staged treatment — targeting the adults and their harbourage first, then returning to catch the bugs that hatch afterward, because no single treatment kills eggs and adults in one hit. That is why it typically takes two to three visits. We give you simple prep instructions before we start and confirm the job is clear at the follow-up. Because the size of an infestation varies so much, we quote after the inspection rather than guess a price. Every treatment is backed by our Return & Re-treat Guarantee.
Bed bugs travel with people, so they turn up most in higher-turnover, renter-heavy pockets like Hurstville and Kogarah. Moving out? It is worth sorting before the final inspection — see end-of-lease pest control.
Frequently asked questions
What do bed bug bites look like?
Bed bug bites are small, red, raised and itchy, usually appearing in a line or tight cluster on skin exposed while you slept — arms, shoulders, neck and legs. The line pattern is the giveaway. Not everyone reacts, so one person can be covered in welts while the other shows nothing.
What are the first signs of bed bugs?
The earliest signs are tiny rust or blood spots on the sheets, dark ink-like specks along the mattress seams, and pale shed skins. You may not see a live bug at first — check the seams, the tag, the bed-frame joins and the headboard with a torch before it spreads.
How do you get bed bugs?
Bed bugs hitchhike. They travel home in luggage after a stay in a hotel or hostel, arrive inside second-hand furniture or a used mattress, or move between adjoining units. It has nothing to do with how clean your home is — anyone can pick them up.
Can I get rid of bed bugs myself?
Rarely. Supermarket sprays and foggers do not reach the eggs glued deep in cracks, and bombs often scatter the bugs into wall voids and next door, making it worse. A staged professional program that targets adults and the hatch that follows is what actually clears an infestation.
How many treatments does it take?
Typically two to three visits. Bed bug eggs are shielded from the first treatment, so we return to catch the newly hatched bugs before they breed. We quote after a free inspection because the number of visits depends on how far the infestation has spread through the home.
Do I need to throw out my mattress?
Usually no. In most cases the mattress can be treated and kept, which saves you the cost of replacing it. We will tell you honestly if an item is too heavily infested to save, but throwing furniture out without treating the room just moves the problem, it does not fix it.
Book a free bed bug inspection
Same-week service across the Sutherland Shire and St George. If covered pests come back within the service warranty period, so do we — at no charge.