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HOW TO PREVENT A FLEA INFESTATION IN YOUR HOME

 

Of the estimated 10,000 species of spiders living in Australia, only a few of them have harmful venomous bites – BUT they’re definitely spiders you want to avoid! Now that we’re in peak spider season, we’ve put together this guide to the more harmful creepy crawlies you might encounter, so that you and your family can enjoy the sunny weather in peace.

What questions will this article answer?

Why are deadly spiders a problem in summer?

Summer is the peak time for many insects to emerge from winter hibernation in order to reproduce and look for food. Hungry spiders are no exception.

With plenty of food sources around to support their mating season, you’ll tend to notice spiders around the place more often as they sneak indoors to escape the heat.

While there are an estimated 10,000 species of spiders living in Australia, most of them aren’t harmful to humans. Although they’ll most likely bite when they are disturbed, these bites aren’t usually venomous or painful. They might just leave a mild, itchy bump on the skin for a short time.

However, spiders with more potent venomous bites can cause more serious illness which requires immediate medical attention. The good news is that there are antivenom treatments readily available, so you should be fine if you see the doctor quickly.

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By Toby Hudson – Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=18357388

Redback spiders

Though they are notorious for their potent venous bites, redback spiders aren’t aggressive pests unless disturbed. They have a black body with a distinguishing red stripe on upper abdomen. Females grow up to 15mm long and males up to 5mm long.

They spin messy webs and prefer hiding in quieter places around your home, such as garages, mailboxes, sheds, under ledges and outdoor furniture. In your garden, they may be seen in branch hollows or tucked away in small crevices between rocks.

White tailed spiders

Known for their dark red to grey, cigar-shaped body with a characteristic white spot at the tip, white tail spiders are a nocturnal hunting spider. While they don’t spin webs to catch insects, instead, they hunt other spiders for food, such as daddy long legs, redback and black house spiders.

You’ll find them living beneath leaf litter and piles of vegetation in your garden, as well as underneath tree bark and rocks.

Males grow up to 12mm long and females up to 20mm long.

White-tail spiders belong to the Lampona genus. Image credit: Fir0002/Flagstaffotos (GFDL v1.2)

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By fir0002flagstaffotos [at] gmail.comCanon 20D + Tamron 28-75mm f/2.8 – Own work, GFDL 1.2, https://commons.wikimedia.org/w/index.php?curid=197252

Funnel web spiders

While not all species of funnel web spiders are known to be dangerous, several are renowned for their highly toxic and fast acting venom.

They are more commonly found in the Adelaide Hills; living underground in silk-lined burrows in moist, cool and sheltered habitats. You may find them in dense shrubs or under rocks, rotten logs or rot and borer holes in trees.

Funnel web spiders are usually black to brown coloured and front part of their body is glossy and covered with hairs. They’re known to grow up to 1-5 cm long.

Mouse spiders

Often confused with funnel web spiders, mouse spiders have a distinctive bulb-shaped head and jaw.

You’ll find them in burrows that can be more than 1m deep, so they are more reclusive than aggressive by nature.

They are mainly black or dark blue in colour but can have bright red or orange-red coloured jaws or around their eyes, as well as a light grey to white patch on top of their abdomen. Adult mouse spiders vary from 10-35mm in length.

Robertwhyteus, CC BY 4.0 <https://creativecommons.org/licenses/by/4.0>, via Wikimedia Commons

By Bernard DUPONT from FRANCE – Corsican Trapdoor Spider (Cteniza sauvagesi), CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=40076014

Trapdoor spiders

Famous for their silk-lined burrows which have a hinged lid at the entrance, trapdoor spiders like to hide up to 250mm deep underground, so you may only come across them if you’re digging through soil or moving around some rocks.

While they look similar to funnel web spiders, they are less venomous. They are yellow and reddish-brown coloured, shiny with a hairy coat, and grow between 1-4cm long.

Black house spiders

A common sight around the home, black house spiders spin fine, lacy webs in zig zag patterns that aren’t sticky. However, they do leave behind old sheets which become messy.

They grow up to 15mm long and are dark brown to black, with a textured velvet appearance.

Black house spiders prefer living in dry habitat areas and secluded locations such as window frames, gutters, eaves, bricks, garages, sheds and even toilets. Outdoors, you may come across them among rocks and underneath tree bark, or inside tree trunks and logs.

By fir0002flagstaffotos@gmail.com Canon 20D + Sigma 150mm f/2.8 – Own work, GFDL 1.2, https://commons.wikimedia.org/w/index.php?curid=2850030

By Raphaël Poupon – Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=83308049

Wolf spiders

A type of hunting spider that doesn’t spin webs, wolf spiders come out at night to hunt and prey on insects. You’ll find them living underground in burrows lined with silk, which may be covered by a lid or leaf litter.

Adult wolf spiders are usually mottled grey or brown coloured and are well known for their Union Jack-style pattern on their upper abdomen. They grow between 15-30mm in size. Female wolf spiders carry their young on their back.

How to prevent deadly spiders this summer

The best way to keep spiders away from your home or business is to seal off entry points, reduce the number of hiding spots and remove all potential food sources.

Regularly cleaning inside, such as sweeping, wiping and mopping can assist with removing insects that attract spiders, and clearing away cobwebs and spider eggs. Don’t forget to check behind the furniture, window corners and other less frequented areas.

We also recommend regular garden and yard maintenance, such as trimming back plants and trees that are growing close to your building to reduce access, as well as mowing lawns. Dispose of litter piles such as leaves and move wood piles away from your building. Keep compost and rubbish bins well secured. However, please take care to wear gloves when gardening in case you happen to disturb some deadly spiders!

You can also purchase insect repelling night light bulbs from your local hardware store.

Professional spider extermination

At Allstate, our spider removal technicians are highly trained to understand spider behaviour, so we’ll conduct a thorough assessment of the outbreak to work out the source.

From here, we’ll come up with a personalised treatment plan for you to make sure that the problem is properly resolved.

We normally use a combination of spider control insecticide, which is sprayed around the perimeters of your building, as well as spider control dust, which is applied in voids and cavities.

We understand the risks of dealing with deadly spiders, so we take great care to carry out our work safely.

You can rest assured that if you have children or pets that our treatments are non-toxic and approved for use by the Australian Pesticides and Veterinary Medicines Authority.

Read more about spider control.

Choose Allstate for safe and effective spider prevention

Coming into summer, the last thing you need to worry about is deadly spiders lurking around when you just want to relax and enjoy outdoor activities.

That’s why at Allstate, we’re available 24/7 for urgent advice to all suburbs of Adelaide. No matter if you’re in a commercial, residential or industrial building, our fully equipped technicians are ready to assist with spider outbreaks of all sizes.

Since 1986, we have been providing pest control services with a 100% satisfaction guarantee and covered by competitive warranties. With payment plans now available, we can resolve all your spider problems quickly with our innovative, long-lasting treatments.

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