Western Black Widow Spiderling #3 is a photograph by Dennis Kunkel Microscopy/science Photo Library which was uploaded on September 20th, 2018.
Western Black Widow Spiderling #3
Coloured scanning electron micrograph (SEM) of Western black widow spiderling (Latrodectus hesperus). Latrodectus hesperus is a venomous spider found... more
Title
Western Black Widow Spiderling #3
Artist
Dennis Kunkel Microscopy/science Photo Library
Medium
Photograph
Description
Coloured scanning electron micrograph (SEM) of Western black widow spiderling (Latrodectus hesperus). Latrodectus hesperus is a venomous spider found in the western regions of North America usually in warmer climates. This spider can be identified as a female by the red hourglass-shape mark on the underside of her abdomen. The female black widow is dangerous to humans, as her bite contains a significant amount of nerve toxin (neurotoxin, latrotoxin). This neurotoxin causes pain and swelling, and in rare cases, may even be fatal. The genus gets its name from the female's practice of devouring the male after mating, although this behaviour is seen in other spiders. After the female and male mate, the female lays several bunches of egg sacs in the web, each containing about 750 eggs. Magnification: x6 when shortest axis printed at 25 millimetres.
Uploaded
September 20th, 2018
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