Brown widow spiders protect their egg sacs by capturing and killing parasitic wasps and constructing silk spikes. The tactics ...

One of the most reliable ways to confirm a brown widow spider infestation is to take a close look at any egg sacs you find. We understand if that sounds like the last thing you'd ever want to do ...

Valeria Arabesky and colleagues at Ben-Gurion University of the Negev found that invasive brown widow spiders effectively defend their egg sacs against wasp parasites. The spiders use multiple ...

JERUSALEM, May 8 (Xinhua) -- Israeli researchers have discovered that brown widow spiders, a global invasive species, aggressively defend their egg sacs from parasitic wasps, offering insights into ...

Valeria Arabesky and colleagues at Ben-Gurion University of the Negev found that invasive brown widow spiders effectively defend their egg sacs against wasp parasites.

[Shutterstock/Courtesy] Israeli researchers have discovered that brown widow spiders, a global invasive species, aggressively defend their egg sacs from parasitic wasps, offering insights into how ...