A Washington College professor is asking residents across Baltimore and Maryland’s Eastern Shore to help track the spread of the Jorō spider, an invasive species that has recently appeared in the ...

The Joro spider, a palm-sized orbweaver native to East Asia, has established itself in Maryland and turned up in isolated pockets across Virginia and Pennsylvania, extending a northward march that ...

Jorō spiders were spotted in Maryland more than a dozen times last summer, the first major sighting in the area since the invasive species arrived in the U.S. from Asia in the early 2010s. And they ...

An Eastern Shore biologist is asking for the public’s help reporting sightings in Maryland of a bright yellow invasive spider that looks scary but is actually harmless to humans. Washington College ...

Arachnophobes beware! You may be seeing a massive new spider as big as your palm right in your back yard. Dr. Michael Raupp from the University of Maryland explains what you should know about Joro ...