Yeah when I looked them up via image search in case I might be wrong, and there were occasional depictions with the hourglass on top but they seemed to be photoshopped images or illustrations that would be used for a “5 ways to kill these pests!!” clickbait websites.
In most cases it probably is from a lack of real world exposure to the spiders in question. They were pretty common where I grew up and I was taught to be on the lookout for the black shiny abdomen because you can’t always see the hourglass.
![[Alzwards Corner] Nature is Amazing](https://lemmy.world/pictrs/image/4a838df3-71f1-49f3-99ab-4bf93fc1897d.png){kind=link}
Yeah when I looked them up via image search in case I might be wrong, and there were occasional depictions with the hourglass on top but they seemed to be photoshopped images or illustrations that would be used for a “5 ways to kill these pests!!” clickbait websites.
In most cases it probably is from a lack of real world exposure to the spiders in question. They were pretty common where I grew up and I was taught to be on the lookout for the black shiny abdomen because you can’t always see the hourglass.