 |
|
| You Are Here: Burke Museum : Spider Myths : Weird : Black Widow |
Just Plain Weird Stories
Myth: When black widow spiders mate, the female always kills and eats the male.
|
|
Western Black Widows Latrodectus hesperus Females weigh 10-160 times as much as males, lending "weight" to the myth. (from B.J. Kaston photo) Click image to enlarge |
Fact: This myth (which is not totally false, but
very far from true) is believed even by scientists, and can be found in many
ecology textbooks! It's depressing; the authors are obviously copying each other
and have never actually watched black widows mate in the field.
To understand the facts about black widow mating, you must first understand
that there are many different species worldwide in the black-widow group (the
genus Latrodectus), and three different black widow species in the United
States alone, two in the east and one in the west. These species do not all
behave alike. Moreover, in the past most observations of mating took place in
laboratory cages, where males could not escape.
The only known Latrodectus species in which mate cannibalism in nature
is the rule, not the exception, are in the Southern Hemisphere. Of U.S. species,
mate cannibalism occurs sometimes in Latrodectus mactans, the eastern (southern)
black widow, but most males survive to mate another day. In the other two black
species, including the western black widow L. hesperus (only species
west of Kansas), mate cannibalism has never been observed in the wild!
Myth: Spiders (often deadly ones) or their eggs may lurk in human hairstyles or in bubble gum.
Fact: These older urban legends don't seem to
be in wide circulation today. One dating from the days of beehive hair-dos relates
that a young woman died from the bites of black widow spiderlings that had hatched
inside her bouffant. There are a number of variants, including a common one
where the victim is a man with an Afro hair-do. In an Australian version, the
spider was a red-back rather than a black widow. A late 20th century rumor concerned
a popular brand of ultra-soft bubble gum which, it was alleged, was manufactured
from spider eggs.
Spiders, need I say, do not find the human body or hair a favorable site for
egglaying, and spider eggs are not so easy to harvest that any mass consumer
product could be made from them. Even if black widow hatchlings could
bite, the minute amount of venom they carry would not likely be very harmful;
even the bites of adult females are very rarely fatal if properly treated.
More details on these tales may be found at the Urban
Legends Reference Pages (which perpetuates one myth while debunking others,
by listing spider legends on their insect page!).
| Previous Myth | Myths Home | Web Resources | Next Myth |
 |
Text ©
2003, Burke Museum of Natural History & Culture, University of Washington, Box 353010, Seattle, WA 98195, USA Phone: 206-543-5590 Photos © as credited |
Queries
to Spider Myths author, Rod Crawford This page last updated 1 September, 2010 This site best viewed at 800 x 600 using IE 5.0 or above. |