UCR Spiders Site


RS Vetter publications regarding medically important spiders

*PDF = available as PDF. Request a copy and I will send it.


McKeown, N., R. S. Vetter, and R. G. Hendricksen. 2014. Verified spider bites in Oregon (USA) with the intent to assess hobo spider venom toxicity. Toxicon 84: 51-55.


Cramer, K. L. and R. S. Vetter. 2014. Distribution of the brown recluse spider (Araneae: Sicariidae) in Illinois and Iowa. J. Med. Entomol. 51: 46-49. *PDF


Vetter, R. S. 2013. Arachnophobic entomologists: when two more legs makes a big difference. Amer. Entomol. 59: 168-175.


Vetter, R. S. 2013. Spider envenomation in North America. Critical Care Nurs. Clinics No. Amer. 25: 205-223. *PDF


Vetter, R. S., L. S. Vincent, D. W. R. Danielsen, K. I. Reinker, D. E. Clarke, A. A. Itnyre, J. N. Kabashima, and M. K. Rust. 2012. The prevalence of brown widow and black widow spiders (Araneae: Theridiidae) in urban southern California. J. Med. Entomol. 49: 947-951. *PDF


Vetter, R. S. 2012. Envenomation by spiders of the genus Hololena (Araneae: Agelenidae). Toxicon 60: 312-314. *PDF


Vetter, R. S. 2011. Seasonality of brown recluse spiders, Loxosceles reclusa, submitted by the general public: implications for physicians regarding loxoscelism diagnoses. Toxicon 58: 623-625. *PDF


Vetter, R. S. 2010. Myths based in science and medicine – how they initiate, propagate, and the role of peer-review research in dispelling them. [invited review]. Perspect. Agric. Veterin. Sci. Nutrition Natur. Resources 5, #041, 7 pp. *PDF


Vetter, R. S. 2009. The distribution of the brown recluse spider in the southeastern quadrant of the United States in relation to loxoscelism diagnoses. Southern Med. J. 102:518-522. *PDF


Vetter, R. S. 2009. Arachnids misidentified as brown recluse spiders by medical personnel and other authorities in North America. Toxicon 54: 545-547. *PDF


Vetter, R. S., N. C. Hinkle and L. M. Ames. 2009. Distribution of the brown recluse spider (Araneae: Sicariidae) in Georgia with a comparison of poison center reports of envenomations. J. Med. Entomol. 46:15-20. *PDF


Pace, L. B. and R. S. Vetter. 2009. Brown recluse spider (Loxosceles reclusa) envenomation in small animals. J. Veterinary Emerg. Crit. Care 19:329-336. *PDF


Vetter, R. S. and S. Hillebrecht. 2008. Distinguishing two often-misidentified genera (Cupiennius, Phoneutria) (Araneae: Ctenidae) of large spiders found in Central and South American cargo shipments. Amer. Entomol. 54:82-87. *PDF


Vetter, R. S. 2008. Spiders of the genus Loxosceles (Araneae, Sicariidae): a review of biological, medical and psychological aspects regarding envenomations. J. Arachnol. 36:150-163. *PDF


Vetter, R. S. and G. K. Isbister. 2008. Medical aspects of spider bites. Ann. Rev. Entomol. 53: 409-429. *PDF


Vetter, R. S. 2008. Brown recluse and other recluse spiders: Integrated pest management in and around the home. Univ. Calif. Pest Notes #7468, 6pp. http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7468.html


Frithsen, I. L., R. S. Vetter and I. C. Stocks. 2007. Reports of envenomation by brown recluse spiders outnumber verified specimens of Loxosceles spiders in South Carolina. J. Amer. Board Fam. Med. 20:483-488. *PDF


Vetter, R. S. and D. L. Swanson. 2007. Of spiders and zebras: publication of inadequately documented loxoscelism case reports. J. Amer. Academy Dermatol. 56:1063-1064. *PDF


Vetter, R. S., B. B. Pagac, R. W. Reiland, D. T. Bolesh and D. L. Swanson. 2006. Skin lesions in barracks: consider community-acquired methicillin-resistant Staphylococcus aureus infection instead of spider bites. Military Medicine 171: 830-832. *PDF


Vetter, R. S. and J. O. Schmidt. 2006. Semantics of toxinology. Toxicon 48:1-3. *PDF


Vetter, R. S. and G. K. Isbister. 2006. Verified bites by the woodlouse spider, Dysdera crocata. Toxicon 47:826-829. *PDF


Vetter, R. S., G. K. Isbister, S. P. Bush and L. J. Boutin. 2006. Verified bites by Cheiracanthium spiders in the United States and Australia: where is the necrosis? Amer. J. Trop. Med. Hyg. 74:1043-1048. *PDF


Swanson, D. L. and R. S. Vetter. 2006. Loxoscelism. Clin. Dermatol. 24:213-221. *PDF


Vetter, R. S. and R. B. Furbee. 2006. Caveats in interpreting poison control centre data for spider bites in epidemiology studies. Public Health 120: 179-181. *PDF


Vetter, R. S. 2005. Arachnids submitted as suspected brown recluse spiders (Araneae: Sicariidae): Loxosceles spiders are virtually restricted to their known distributions but are perceived to exist throughout the United States. J. Med. Entomol. 42:512-521 *PDF


Isbister, G. K. and R. S. Vetter.   2005. Necrotic arachnidism: more myths and minor corrections. [Letter] Annals Emerg. Medicine 46: 205-206.


Isbister, G. K., J. White, B. J. Currie, S. P. Bush, R. S. Vetter and D. A. Warrell. 2005. Spider bites: addressing mythology and poor evidence. Amer. J. Trop. Med. Hygiene 72: 361-364.


Swanson, D. L. and R. S. Vetter. 2005. Bites of brown recluse spiders [response to letters]. New Engl. J. Med. 352:2029-2030.

(be aware that NEJM changed the word “nonendemic” to “endemic” in one of our sentences which completely eradicated the significance of the sentence, making it confusing at best and completely wrong at worst. A microscopic correction was printed. NEJM 353:744)


Schmid, G. and R. Vetter. 2005.   Spider bites (mis)masquerading as infectious cellulitis [letter]   Ann Intern Med (online only) http://www.annals.org/cgi/eletters/142/1/47#1215


Vetter, R. S. and D. L. Swanson. 2005. Arthropods in dermatology: errors in arachnology [Letter]. J Amer Acad Dermatol. 52: 923. *PDF


Swanson, D. L. and R. S. Vetter. 2005. Bites of brown recluse spiders and suspected necrotic arachnidism. New Engl. J. Med. 352:700-707.


Vetter, R. S. and G. K. Isbister. 2004. Do hobo spider bites cause dermonecrotic injuries? Annals Emerg. Med. 44:605-607. *PDF


Vetter, R. S. and S. P. Bush. 2004. Additional considerations regarding brown recluse spider bites and dapsone therapy [Letter]. Amer. J. Emerg. Med. 22: 494-495.


Bennett, R. G. and R. S. Vetter. 2004. Erroneous attribution of dermonecrotic lesions to brown recluse or hobo spiders in Canada. Canadian Family Physician 50:1098-1101 *PDF

Bennett, R. G. and R. S. Vetter. 2004. Must have been a spider [response to letter to editor generated by the above article] Canadian Family Physician 50:1497,1499 *PDF


Vetter, R. S. 2004. Myths about spider envenomations and necrotic skin lesions.   Lancet 364:484-485. *PDF


Vetter, R. S., G. B. Edwards and L. F. James. 2004. Reports of envenomation by brown recluse spiders (Araneae: Sicariidae) outnumber verifications of Loxosceles spiders in Florida. J. Medical Entomol. 41:593-597 *PDF


Vetter, R. S., P. E. Cushing, R. L. Crawford and L. A. Royce. 2003.   Diagnoses of brown recluse spider bites (loxoscelism) greatly outnumber actual verifications of the spider in four western American states. Toxicon 42:413-418 *PDF


Vetter, R. S. 2003. Brown recluse spider bite diagnoses and lawsuits. Pediatric Emergency Care. 19:291-292 *PDF


Vetter, R. S., A. H. Roe, R. G. Bennett, C. R. Baird, L. A. Royce, W. T. Lanier, A. L. Antonelli and P.E. Cushing. 2003. Distribution of the medically-implicated hobo spider (Araneae: Agelenidae) and its harmless congener, Tegenaria duellica in the United States and Canada. J. Med. Entomol. 40: 159-164. *PDF


Vetter, R. S. and D. K. Barger. 2002. An infestation of 2,055 brown recluse spiders (Araneae: Sicariidae) and no envenomations in a Kansas home: implications for bite diagnoses in non-endemic areas. J. Med. Entomol. 39:948-951. *PDF


Vetter, R. S. and S. P. Bush. 2002. Chemical burn misdiagnosed as brown recluse spider bite. Amer. J. Emerg. Medicine 20: 68-69.


Vetter, R. S. and S. P. Bush. 2002. The diagnosis of brown recluse spider bite is overused for dermonecrotic wounds of uncertain etiology. Ann. Emerg. Medicine 39: 544-546.


Vetter, R. S. and S. P. Bush. 2002. Reports of presumptive brown recluse spider bites reinforce improbable diagnosis in regions of North America where the spider is not endemic. Clinical Infectious Diseases 35:442-445. *PDF


Vetter, R. S. 2000. Brown recluse and other recluse spiders: Integrated pest management in and around the home. Univ. Calif. Pest Notes #7468, 4pp. http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7468.html


Vetter, R. S. 2000. Myth: idiopathic wounds are often due to brown recluse or other spider bites throughout the United States. Western J. Medicine 173:357-358 *PDF


Vetter, R. S. 1999. Identifying and misidentifying the brown recluse spider.

Dermatol. Online 5 (2):        http://dermatology.cdlib.org/DOJvol5num2/special/recluse.html


Vetter, R.S. 1998. Envenomation by an agelenid spider, Agelenopsis aperta,

previously considered harmless. Ann. Emerg. Med. 32:739-741.

*** common spider was misidentified as a brown recluse by doctor***


Vetter, R. S. and P. K. Visscher. 1998. Bites and stings of medically          important venomous arthropods. Intl. J. Dermatol. 37:481-496

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