answersLogoWhite

0


Best Answer

yes because of the chemical reaction when it hits human skin

User Avatar

Wiki User

12y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

13y ago

Yes they do.

This answer is:
User Avatar

User Avatar

Wiki User

13y ago

No

This answer is:
User Avatar

User Avatar

Wiki User

10y ago

A small

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Why do black widows have a red hourglass?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What is the black widows appearance?

The black widow is a medium sized, black spider with a red mark on its abdomen that has the appearance of an hourglass.


Is there an hourglass on the bottom of black widows?

yes


Does a black widow have fur?

No, Black Widows are not hairy. The Black Widows body is very shiny black, with a red hourglass marking on its abdomen.


Are there black widows with no red marking?

no


What are the black widows external features?

Black widows external features are, they are black with a red hour glass on its back.


What color do black widows hate?

the coulor widows hate is red even thought they are part red


Do baby black widows have red dots?

The baby black have a similar shape as the adult, however there is a vast colour difference. The immature Widow Spider is much smaller than the adult and is yellow/brown in colour. The characteristic hourglass marking on its back is yellowish and not red. It is only after maturing and mating that the female spider takes on the sinister black body with red hourglass colouration on its back. The young juvenile black window spider does not have any red markings.


What type of spider has a red thorax and black head and body?

A black widow. This spider is only a black widow if the entire spider is black, with a round-ball looking back-body, female variety if there is a red hourglass shape marking on the underside of the spider. From the top black widows are completely black.


What kinds of important details does the black widow have?

One thing is they have an red hourglass's symbol on their abdomen. (Most female black widows have that, but not all.) They are found on almost every continent including this one (North America if you live here).


What kind of black spider resembles a black widow wo the red hourglass?

a red back looks almost the same. But doesnt have an hourglass shape. It has a red stripe on top of its abdomen.


What country does the red back spider live in?

They are similar to the black widows but they do not live in north america with black widows but they live in australia


What is a White spider that looks like a white black widow?

AnswerIf it is predominately black and has the red hourglass on the abdomen, it is a black widow. It is my understanding that the stripes denote either a male or a younger female. I have also seen black widows with red dots on the back. The black widow with spots on its back usually has thirteen and it is called a European Black Widow.