Sentences with phrase «female black widow spiders»

DINING HABITS In a new book about cannibalism, a zoologist argues that female black widow spiders (Latrodectus mactans shown) don't deserve their bad rap.

Adult female black widow spiders are shiny black with an hourglass shaped marking on the underside of its abdomen which, although most commonly red, may range in color from white to yellow to various shades of orange and red.

The bright red markings on the back of a female black widow spider is a clear warning to people to stay away — the venom in her bite can be lethal.

Not exact matches

The only black widow species that regularly eats its mates is the southern black widow, Latrodectus mactans — though the related Australian redback spider Latrodectus hasselti also does it, with the male somersaulting gently into the female's mouthparts, apparently on purpose.

Black widow spiders get their name from the females» supposed cannibalistic behaviour, but this has been exaggerated.

New UTSC research shows that male black widow spiders prefer their female mates to be well - fed virgins, revealing a rare example of mate preference by male spiders.