This web page was created programmatically, to learn the article in its unique location you’ll be able to go to the hyperlink bellow:
https://www.charlotteobserver.com/living/article315421523.html
and if you wish to take away this text from our web site please contact us
A juvenile Pikelinia floydmuraria attacking a cockroach on its internet.
Julio C. González-Gómez
If you’ve ever spotted a small, sandy-brown spider tucked into a crack on your porch or perched near your outdoor lights, your first instinct might be to reach for a shoe.
But a newly discovered species suggests you might want to reconsider — that little wall-dweller could be doing you a serious favor.
Scientists from South American institutions recently identified a new species of crevice weaver spider called Pikelinia floydmuraria.
The discovery, published in the journal Zoosystematics and Evolution, describes a spider that has fully adapted to life on and around buildings — and thrives by eating the very insects most homeowners want gone.
The species was found in Colombia, including in urban areas, on building walls and on a colorful mural in Quindío. Researchers classified it as a synanthropic species, meaning it has adapted to human-made environments. In practical terms, this spider didn’t wander onto your wall by accident. It’s there on purpose.
Pikelinia floydmuraria is commonly found in cracks and crevices of walls and around buildings in urban areas. It builds webs near artificial light sources like streetlights — and the reason is strategic.
Those lights attract insects, and the spider positions its webs to intercept that steady supply of phototactic prey drawn to the glow.
So that light fixture by your front door? For this spider, it’s a dinner bell.
Here’s where this discovery gets genuinely useful for homeowners. The spider’s diet includes ants (Hymenoptera), flies and mosquitoes (Diptera) and beetles (Coleoptera) — a lineup that reads like a checklist of common household nuisances.
Even more impressive, researchers observed that Pikelinia floydmuraria can capture prey up to six times its own size. That’s remarkable for a spider measuring only about 3–4 millimeters long, roughly 0.1 inch. You could easily overlook one on your wall, but it’s quietly pulling its weight against pests you definitely notice.
The broader picture is even more striking.
Spiders as a whole consume an estimated 400 to 800 million tons of insects and other pests annually, according to Science Daily. That includes agricultural pests and disease-carrying insects like flies and mosquitoes.
So, those tiny spiders on your wall are part of a global pest-control workforce.
The species name carries a fun cultural twist.
“Muraria” comes from the Latin word for “wall,” which reflects the spider’s wall-dwelling behavior. The second part of the name is a reference to Pink Floyd, who released a 1979 album called The Wall.
That album was later adapted into a live-action/animated musical surrealist drama film directed by Alan Parker in 1982.
The name is a playful cultural tribute making this spider the unofficial fourth part of Floyd’s “Another Brick on the Wall” series of songs.
The discovery raises compelling questions. Pikelinia floydmuraria is closely related to Pikelinia fasciata, found on the Galápagos Islands — over 1,000 miles away, separated by the Pacific Ocean and the Andes Mountains.
How two nearly identical species ended up so far apart remains a major evolutionary mystery.
Scientists recommend further DNA barcoding and molecular and dietary analysis to determine evolutionary history, identify biogeographic origin and better understand the spider’s ecological role.
For now, the next time you see a small spider near your porch light, consider letting it stay. It’s likely working the night shift — catching mosquitoes so you don’t have to.
This article was created by content specialists using various tools, including AI.
This web page was created programmatically, to learn the article in its unique location you’ll be able to go to the hyperlink bellow:
https://www.charlotteobserver.com/living/article315421523.html
and if you wish to take away this text from our web site please contact us
This web page was created programmatically, to learn the article in its unique location you…
This web page was created programmatically, to learn the article in its unique location you…
This web page was created programmatically, to learn the article in its unique location you…
This web page was created programmatically, to learn the article in its authentic location you…
This web page was created programmatically, to learn the article in its unique location you…
This web page was created programmatically, to learn the article in its unique location you'll…