Bed Bugs: How to Confirm Them, Prepare Properly and Clear Them

Few pests generate more anxiety per insect than bed bugs. A single adult is enough to disrupt sleep for weeks, and the internet is full of advice that ranges from useless to actively harmful. The useful starting point is a clear diagnosis, because most of what follows depends on it.

This guide covers how to confirm bed bugs, where they actually hide, the mistakes that spread them through a house, and what a professional treatment and its preparation involve.

Confirming it is bed bugs

Bites are the least reliable evidence. Reactions vary from nothing at all to large welts, can take days to appear, and look much like flea or mosquito bites. Some people in a household react while others do not, which is why couples often disagree about whether there is a problem.

What you can check:

• Faecal spotting. Small dark brown or black dots along mattress seams, piping, bed frame joints and skirting near the bed. They smear if you wet them.
• Cast skins. Translucent, papery shells in the same places, from the five nymphal moults.
• Live insects. Adults are flattened, oval and reddish-brown, about five millimetres long, roughly the size of an apple seed. Nymphs are pale and much smaller.
• Blood spotting. Rust-coloured smears on sheets and pillowcases where bugs were crushed during feeding.
• Eggs. White, about one millimetre, glued into cracks and seams, almost impossible to spot without a torch and patience.
• A sweet, musty odour in a heavy infestation, from scent glands.

If you find nothing but are still being bitten, an inspection is worth the cost. Bed bugs hide in places a quick look will not reach, and an early, small infestation is far cheaper to clear than one that has spread.

Where they hide

Bed bugs stay within a few metres of where people sleep or sit. That is the search area, and it is smaller than most people expect.

• Mattress seams, piping, handles and the label.
• Bed frame joints, slats, bolt holes and the underside of the base.
• Behind the headboard, especially where it meets the wall.
• Skirting boards, architraves and carpet edges around the bed.
• Bedside tables, drawers and the void behind them.
• Power points, light switches and picture frames near the bed.
• Curtains and curtain hems.
• Sofas and armchairs, particularly seams and the space under cushions.
• Wardrobes, luggage and stored bedding.

The reason they favour these spots is simple: thin, dark gaps they can squeeze into, close to a sleeping host. An adult can flatten enough to fit into a gap the thickness of a credit card.

Why bed bugs are not a hygiene problem

Bed bugs feed on blood, not dirt. A spotless house can be infested, and an untidy one may not be. The insects are moved by luggage, furniture, clothing and bedding, not by poor cleaning.

This matters for two reasons. It removes the stigma that stops people asking for help early, and it explains why deep cleaning alone does not solve the problem. Vacuuming reduces the population and removes evidence, but it does not clear harbourage inside frames, seams and wall voids.

The three mistakes that spread an infestation

1. Using a fogger. An aerosol bomb drives bed bugs deeper into cracks, behind skirting and into adjoining rooms, and does not kill eggs or insects already concealed. It converts a contained problem into a building-wide one.

2. Moving to another bedroom. Sleeping elsewhere gives the insects a reason to follow you and a second room to colonise. The advice is counterintuitive but consistent: keep sleeping in the affected room until it is cleared.

3. Discarding furniture into the street or a shared bin. Mattresses and couches left on a nature strip are a common way bed bugs reach a new household. If an item must go, wrap it and arrange collection.

A fourth mistake is applying supermarket surface spray before a professional inspection. Many products are repellent, which pushes the insects into voids where they are much harder to treat.

How preparation actually works

Preparation is not housework. It is the process of giving the technician access to every harbourage while keeping the infestation where it is.

• Launder all bedding, throws and clothing in contact with the bed at 60 degrees or hotter, then tumble dry for at least 30 minutes. Heat kills every life stage.
• Bag, do not relocate. Items that cannot be washed go into sealed bags and stay in the affected room until treated or until the infestation is cleared.
• Declutter the floor and around the bed so skirting and frame joints are accessible. Bag clutter rather than carrying it to another room.
• Dismantle where asked. Removing the mattress from the base and clearing under the bed is often part of the brief.
• Vacuum thoroughly, then dispose of the bag or empty the canister outside into a sealed bin.
• Do not move soft furnishings between rooms, and do not take bedding to a laundromat in an unsealed bag.
• Prepare every affected room, not just the one where bites are happening. Bed bugs spread quietly next door.

If a treatment is booked for a share house or apartment, tell the technician about adjoining walls, shared wardrobes and any recent travel. It changes how far the inspection needs to reach.

What treatment involves

Bed bug treatment is a process rather than a single application, and it combines methods because no single one reaches everything.

• Inspection. A thorough inspection maps live activity, eggs, faecal spotting and harbourage. In a cluttered unit this can take a couple of hours.
• Steam. Dry steam at high temperature kills adults, nymphs and eggs on contact in seams, frames and fabric folds, with no chemical residue and no repellency.
• Residual insecticide. Applied to cracks, crevices, skirting, frame joints and void edges where insects travel after treatment, so newly hatched nymphs contact a treated surface.
• Dust in voids. Desiccant dusts persist in wall cavities, power point voids and behind skirting where liquids cannot reach and where bed bugs retreat.
• Encasements. Certified mattress and base encasements trap any remaining insects and prevent re-entry into the mattress, and make future inspections quick.
• Monitors. Interceptor cups under bed legs and passive monitors confirm activity after treatment, which is how clearance is proven rather than assumed.

Heat treatment of a whole room is an option for severe or fragile situations, but it needs the room to reach and hold a lethal temperature throughout, including inside furniture, and it is not a substitute for treating voids.

Why two or three visits are normal

Eggs are the reason. They are glued into seams and crevices, and while steam and residual products kill many of them, some survive the first application. Those eggs hatch over the following one to two weeks, producing nymphs that must contact a treated surface before they can breed.

The standard schedule is a second treatment at 10 to 14 days, timed to catch that hatch, with a third visit at around four weeks for heavy or multi-room infestations. A company that offers a single visit with no follow-up is offering a result you should not expect to hold.

Bites, reactions and the mental load

Bed bug bites are not known to transmit disease in Australia, but the effects are real: broken sleep, itching that lasts days, secondary infection from scratching, and a level of anxiety that is genuinely difficult to live with. People report feeling insects on them long after clearance, and the cost of treatment, laundry and lost bedding adds financial stress.

Practical relief: keep nails short, use a hydrocortisone cream from a pharmacy for itch, avoid hot showers immediately after being bitten, and see a doctor if bites become infected or the reaction is widespread. Antihistamines help some people sleep.

Renting, strata and who pays

Responsibility usually turns on two questions: was the infestation there when the tenancy started, and where did it come from?

• If bed bugs were present at the start of a tenancy, or are coming through a shared wall, ceiling or common property, the landlord or owners corporation is generally responsible.
• If the tenant introduced them — through second-hand furniture or travel — the tenant usually pays.
• In strata, treating one unit without addressing the source in an adjoining unit is a waste of money. Coordinated treatment is the only reliable approach.

Get the inspection findings in writing, keep receipts, and raise it with the agent or strata manager promptly. Delaying notification weakens your position whatever the cause.

Travelling and second-hand furniture

Two habits prevent most infestations. In a hotel or short-stay, put luggage on a hard surface or rack rather than the floor or bed, check the headboard and mattress seams with a torch, and take shoes off before packing. On returning home, wash and hot-dry everything and inspect the suitcase before storing it.

With second-hand furniture, inspect seams, frames and the underside before it comes inside, and avoid upholstered items left on the street. Bed bugs travel well in couches and are difficult to spot in dim light.

What "cleared" looks like

Clearance is not the absence of bites. It is the absence of evidence: no live insects, no new faecal spotting, no cast skins, and monitors that stay empty through a full feeding cycle, usually four to six weeks after the final treatment. Bites can continue briefly after treatment because reactions are delayed, which is why monitors are more trustworthy than symptoms.

If monitors show activity after the second visit, the answer is re-inspection and targeted treatment of the missed harbourage — not another blanket spray.

A ten-minute check you can do yourself

You will not find every bed bug without training, but you can find the evidence in most established infestations.

1. Strip the bed and check the seams, piping, label and handles of the mattress with a torch.
2. Look along the top and bottom edges of the bed base, and in the joints of a timber frame.
3. Shine the torch behind the headboard, where it meets the wall, and along the skirting on both sides of the bed.
4. Pull out bedside drawers and check the runners and the void behind them.
5. Check the seams of any sofa or armchair in the room, and under the cushions.
6. Look at curtain hems and the folds of any clothing draped over a chair.

Do not spray anything you find. Catch a sample in a sealed jar or a zip-lock bag if you can, because a confirmed identification prevents a wasted treatment and a wasted month.

What to expect on treatment day

• Access. Clear the floor and empty the areas the technician needs to reach, and be present at the start so any last questions can be answered.
• Duration. An apartment with two affected rooms usually takes one to two hours. A whole house can take most of a day.
• Drying. Surfaces need to dry before you walk on them, typically a few hours. Keep pets away until then.
• Do not clean treated edges for at least a couple of weeks. Washing skirting, frames and carpet edges removes the residual that kills newly hatched nymphs.
• Stay in the room. Continue sleeping in the affected bedroom with the monitors in place. Moving out spreads the problem.
• Report sightings. If you see a live bug between visits, catch it and tell the technician rather than spraying it. Where it was found is diagnostic.

Why the first two weeks feel ambiguous

Treatment rarely produces an immediate, obvious end. Some adults die quickly, some eggs survive, and a small number of nymphs emerge afterwards and die on treated surfaces. People see one bug at day five and conclude the treatment failed, then reach for a supermarket spray that pushes the population into voids.

The monitors exist precisely to remove that ambiguity. They show whether activity is falling, where it is concentrated and whether the follow-up needs to target a missed harbourage. Trust the monitors over a single sighting, and report what you see rather than treating it yourself.

How Accurate Pest Control can assist

We inspect before treating, confirm the extent, use steam and residual products together, and follow up until monitors are clean.

• Bed bugs — signs, harbourage and treatment detail
• Apartment and unit pest control — shared buildings and strata
• Chemical safety — re-entry and preparation
• Get a free quote