Atracidae; Atrax robustus (funnel web spider)
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Introduction
Image:[1] Sydney funnel web spider (Atrax robustus)
Epidemiology
- found in Australia
- name derives from funnel-like burrows they build
Pathology
- venom contains a delta atracotoxin (robustoxin) a polypeptide neurotoxin
- bite is very painful[1]
- local neurotoxic effects most common
- systemic effects uncommon[1]
- nausea/vomiting, diaphoresis, salivation, piloerection, lacrimation, pupillary changes, hypertension, tachycardia, pulmonary edema, fasciculations, muscle spasms, sympathetic & parasympathetic autonomic stimulation, oral paresthesia, coma
Differential diagnosis
- funnel weavers refers to harmless family Agelenidae that inhabit the Northern Hemisphere
- Missulena (mouse spiders) found mostly in coastal & drier regions of Australia
Management
More general terms
Additional terms
References
- ↑ 1.0 1.1 1.2 1.3 Grimm L Medically Significant Spider Bites: Which to Watch Out For, Medscape. July 25, 2023 https://reference.medscape.com/slideshow/venomous-spiders-31606