Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2011;5(1):63-8.
Epub 2011 Jun 30.

The Occurrence of Red-Back Spider Latrodectus hasselti (Araneae: Theridiidae) in Bandar Abbas, Southern Part of Iran

M Shahi  1 , A Hosseini, K Shemshad, J Rafinejad
Affiliations

The Occurrence of Red-Back Spider Latrodectus hasselti (Araneae: Theridiidae) in Bandar Abbas, Southern Part of Iran

M Shahi et al. Iran J Arthropod Borne Dis. 2011.

Abstract

Background: Due to importance and fatal affect of Red-back spiders, Latrodectus hasselti, a faunistic survey for presence of this spider in Bandar Abbas has been conducted. This animal is considerably the most medically importance spiders all over the world.

Methods: Live adult spider specimens were collected from Bandar Abbas town using hand catch conventional method and transferred to the laboratory throughout the summer of 2008. They were identified based on morphological characteristics and taxonomic keys and confirmed by some external experts.

Results: Results showed the occurrence of the red-back spider, L. hasselti from Bandar Abbas, southern port of Iran. Two female specimens were found. The spider had specific morphological characters including black color with an obvious orange to red longitudinal strip on its upper parts of abdomen.

Conclusion: Although the specimens were collected from south of the country, however since the region is an important harbor and port and goods come form different parts of world we assume the possibility of arrival from its origin and native breeding sites of the world. Therefore further investigation is needed to clarify the presence of this species in different parts of Iran.

Keywords: Iran; Latrodectus hasselti; Spider.

PubMed Disclaimer

Figures

Fig. 1.
Fig. 1.
Map of Hormozgan Province and situation of Bandar Abbas City, Iran
Fig. 2.
Fig. 2.
Red-back spider collected from Bandar Abbas City, Iran, 2007
Fig. 3.
Fig. 3.
Red-back spider’s eyes pattern status
Fig. 4.
Fig. 4.
Presence of one row comb-like hair under the fourth tarsus of Latrodectus hasselti
See this image and copyright information in PMC

References

    1. Bonnet MS. The toxicology of the Latrodectus hasselti spider the Australian red back spider. British Homo J. 1999;88(1):2–6. - PubMed
    1. Cariaso BL. A biology of the black widow spider, Latrodectus hasselti Thorell (Araneida: Theridiidae) Philippine Agr Sci. 1967;51:171–180.
    1. Cavalieri MD, Urso D, Lassa A. Characterization and some properties of the venom gland extract of a Theriid spider (Steatoda paykulliana) frequently mistaken for black widow spider (Latrodectus tridecimguttatus) Toxicon. 1987;25:965–974. - PubMed
    1. Clark RF, Wethern-Kestner S, Gerkin Vance MV. Clinical presentation and treatment of black widow spider envenomation: a review of 163 cases. Ann J Emerg Med. 1992;21:782–787. - PubMed
    1. Ellis RM, Sprivulis PC, Jelinek GA, Banham ND, Wood SV, Wilkes GJ, Siegmund A, Roberts BL. A double-blind, randomized trial of intravenous versus intramuscular antivenom for Red-back spider envenoming. Emerg Med Aust. 2005;17(2):152–156. - PubMed

LinkOut - more resources