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
Preferred Habitats
- forests
- woodlands
- urban areas
Nesting Behavior
Does not build webs; hides in crevices and under objects.
Nesting Requirements
Requires sheltered hiding spots, often in human dwellings.
Temperature Preference
Active in a wide range of temperatures typical of Australian climates.
Humidity Preference
Prefers moderate humidity; avoids extremely dry or wet conditions.
Hiding Spots
- under bark
- in leaf litter
- inside homes
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
Activity Pattern
Nocturnal; most active at night.
Social Behavior
Solitary; does not form colonies or webs.
Territorial Behavior
Not territorial; multiple individuals may share the same area.
Foraging Behavior
Active hunter that roams to find prey.
Dispersal Behavior
Disperses by walking; can travel significant distances in search of food.
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.
Economic Impact
Financial costs and economic effects of White-tailed Spider
Economic impact information is being compiled.
Detection & Signs
Early warning signs of White-tailed Spider presence
Detection information is being compiled.
Prevention
Proactive strategies to prevent White-tailed Spider infestations
Prevention information is being compiled.
Control Methods
Effective treatment options for White-tailed Spider control
Professional services information is being compiled.
Professional Services
Professional services information is being compiled.
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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.
Legal Considerations
Legal requirements for White-tailed Spider control in Australia
Legal considerations information is being compiled.
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: