White-tailed Spider
Lampona cylindrata
The White-tailed Spider is a nocturnal hunter found throughout Australia. It is a common household pest due to its tendency to wander indoors and its association with mild bite reactions.
For effective control and prevention, professional pest management is recommended.
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White-tailed Spider At-A-Glance
Key facts and characteristics
Complete White-tailed Spider Guide
Professional identification and control information
Identification
How to accurately identify White-tailed Spider
Expert Tips
Look for the distinctive white tip on the abdomen and long, slender legs for accurate identification.
Confusion Species
May be confused with other dark spiders; distinguish by the white tail and hunting behavior.
Key Identification Features
Dark body with a white-tipped abdomen and long, slender legs; nocturnal hunter.
Biology & Lifecycle
Understanding White-tailed Spider biology and development
Anatomy
Has eight legs, two body segments, and eight eyes arranged in two rows.
Genetics
Population genetics show low genetic diversity across Australian populations, aiding pest management strategies.
Lifecycle Details
Egg Stage
Eggs are laid in silken sacs and hatch after 2-3 weeks.
Adult Stage
Adults live for 1-2 years and are active hunters.
Pupal Stage
Not applicable - spiders do not have a pupal stage.
Larval Stage
Not applicable - spiders do not have a larval stage.
Development Time
Complete development from egg to adult takes about 3-4 months.
Reproduction Rate
Females can produce multiple egg sacs per year, each containing up to 90 eggs.
Habitat & Distribution
Where White-tailed Spider lives and thrives
Hiding Spots
- under bark
- in leaf litter
- inside homes
Nesting Behavior
Does not build webs; hides in crevices and under objects.
Preferred Habitats
- forests
- woodlands
- urban areas
Humidity Preference
Prefers moderate humidity; avoids extremely dry or wet conditions.
Nesting Requirements
Requires sheltered hiding spots, often in human dwellings.
Temperature Preference
Active in a wide range of temperatures typical of Australian climates.
Distribution Patterns
Native Range
Native to southeastern Australia, including Tasmania.
Climate Zones
Found in temperate and subtropical climate zones.
Urban Vs Rural
Common in both urban and rural areas, often entering homes.
Introduced Range
Native to Australia; not introduced.
Spread Mechanism
Spreads naturally by walking and human-assisted movement.
Australian States
Found in New South Wales, Victoria, South Australia, and Tasmania.
Establishment Factors
Thrives in areas with suitable shelter and prey availability.
Behavior & Diet
White-tailed Spider behavioral patterns and feeding habits
Social Behavior
Solitary; does not form colonies or webs.
Activity Pattern
Nocturnal; most active at night.
Foraging Behavior
Active hunter that roams to find prey.
Dispersal Behavior
Disperses by walking; can travel significant distances in search of food.
Territorial Behavior
Not territorial; multiple individuals may share the same area.
Dietary Preferences
Aphid Farming
Not applicable - White-tailed Spiders are predators, not farmers.
Feeding Habits
Nocturnal hunter that preys on other spiders and insects.
Foraging Range
Typically forages within a few meters of its hiding spot.
Feeding Patterns
Active hunters that do not use webs to catch prey.
Primary Food Sources
- other spiders
- insects
- small arthropods
Seasonal Diet Changes
No significant seasonal changes in diet.
Health Risks
Health concerns associated with White-tailed Spider
Always consult healthcare professionals for medical concerns related to pest exposure.
Allergens
None known.
Contamination Risk
Low risk of contamination as they do not forage in human food.
Disease Transmission
Not a known vector for human diseases.
Prevention
Proactive strategies to prevent White-tailed Spider infestations
Reducing white-tailed spider presence begins with minimising their prey: control or clear the webs of Black House Spiders (Badumna insignis), their preferred food source, which makes the environment less attractive to white-tailed spiders. This biological approach addresses the root cause — without sufficient prey, white-tailed spiders have little incentive to remain in a home (https://australian.museum/learn/animals/spiders/white-tailed-spider/, https://professionalpestmanager.com/spiders/black-house-spider/). Housing-specific prevention varies: Victorian terraces and slab-on-ground homes benefit from sealing cracks and crevices; Queenslander stilts and brick homes require particular attention to weep holes, which mimic the spiders' natural under-bark and under-log retreats. Install stainless steel weep hole protectors that maintain ventilation and moisture escape while blocking entry (https://weepa.com.au/knowledge-centre/why-do-spiders-like-weep-holes/).
Practical Australian household measures include shaking out bedding, towels, clothing, and footwear before use — especially items left on floors, where white-tailed spiders commonly hide in search of prey spiders (https://www.australiangeographic.com.au/nature-wildlife/2017/04/the-truth-about-white-tail-spiders/). Declutter wardrobes and laundries, seal gaps around doors and windows with door sweeps, and fit screens to vents. Remove debris and leaf litter from around the home's exterior, as these provide harborage for the Black House Spiders upon which white-tailed spiders feed. In warmer months (September–April), increase vigilance indoors as white-tailed spiders actively seek shelter and hunting grounds within homes.
Control Methods
Effective treatment options for White-tailed Spider control
White-tailed spiders are vagrant nocturnal hunters that do not require professional pest control treatment in most homes, though professional intervention may be warranted in specific circumstances. DIY management is often effective and humane: use a container and paper to capture and release spiders outdoors, vacuum them with immediate bag disposal, or simply remove them with a cloth while wearing gloves. Professional pest control becomes advisable when populations are recurring, household members are vulnerable (young children, immunocompromised individuals), or when a concurrent Black House Spider infestation serves as the primary food source driving white-tailed spider presence into the home.
An Australian licensed pest control technician typically applies residual surface sprays to exterior perimeters, eaves, weep holes, and entry points. These treatments create a protective barrier lasting several months in shaded areas (indoors, under eaves), though duration may be shorter in sun-exposed locations. Treatment costs typically range from a few hundred to several hundred Australian dollars, varying by property size, location, and treatment scope (https://www.tomspestcontrolsydney.com.au, https://www.guardpestcontrol.com.au). AEPMA-licensed technicians should be engaged, as all Australian pest management professionals must hold state-based licensing credentials and comply with integrated pest management standards.
Professional Services
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Seasonal Patterns
White-tailed Spider seasonal activity and management timing
Autumn
Activity remains consistent in autumn, with spiders seeking shelter indoors as temperatures drop.
Frequently Asked Questions
Common questions about White-tailed Spider
Are White-tailed Spider dangerous?
Bites can cause mild to moderate symptoms including pain and swelling, but severe reactions are rare in Australia.
How do I identify White-tailed Spider?
Look for a dark grey to black body with a distinctive white tip on the abdomen and long, slender legs.
How do I control White-tailed Spider?
Reduce clutter, seal entry points, and use targeted insecticide treatments in infested areas.
Do white-tailed spiders cause necrotic ulcers?
No. A definitive prospective study of 130 confirmed white-tailed spider bites (79 by Lampona cylindrata, 51 by L. murina) published in the Medical Journal of Australia (2003) found zero cases of necrotic ulceration or serious infection (https://www.mja.com.au/journal/2003/179/4/white-tail-spider-bite-prospective-study-130-definite-bites-lampona-species). Documented effects include local pain (universal), redness (83%), visible fang marks (17%), and itchiness (44%), typically resolving within 24 hours. Any necrotic lesion attributed to a white-tailed spider bite warrants investigation of other causes such as bacterial infection or envenomation by another species.
When are white-tailed spiders most active in Australia?
White-tailed spiders are most active during warmer months — spring, summer, and early autumn (September–April in the southern hemisphere) — particularly indoors between 4pm and 8am (https://www.mja.com.au/journal/2003/179/4/white-tail-spider-bite-prospective-study-130-definite-bites-lampona-species). Indoor-seeking behaviour increases as temperatures rise in autumn when spiders breed and search for shelter and mates. In colder southern regions, activity declines significantly over winter, as these spiders are intolerant of cold.
Where in my house do white-tailed spiders hide?
White-tailed spiders prefer tight, dark spaces. Many bite victims report finding spiders in bedding, towels, and clothing left on floors (https://www.australiangeographic.com.au/nature-wildlife/2017/04/the-truth-about-white-tail-spiders/). Other common hiding spots include shoes, wardrobes, laundry baskets, behind picture frames, under furniture, and firewood piles — anywhere that also provides access to Black House Spiders as prey. Shaking out clothes, bedding, and towels before use is an essential preventative routine in Australian homes.
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Image Gallery
Visual identification guide for White-tailed Spider
Images of White-tailed Spider showing key identifying features: