Weaver--genus Ocrepeira

In the same genus as the asterisk spider, O. ectypa. The latter builds a rarely seen web of non-sticky silk and captures any prey that walks on it and sends vibrations. During the day, they perch like this and can be very hard to see on a branch.

 

Fourth MBP record.

 

Thanks to the Balaban's at BugGuide.net for the ID: bugguide.net/node/view/1874942

 

Rock Creek Stream Valley Park, S. of Twinbrook Parkway x Veirs Mill Road, Rockville, Montg. Co., Maryland; Kensington quad

Done