Photo detail

Black "sooty mold" covers the front walk of Katherine Chen's Potomac home. The black sticky substance comes from droppings from Tulip Poplar aphids. Photo shows before and after Chen power washed her walkway.

Stories this photo appears in:

Tease photo

Dripping Trees Leave Sticky Mess

Solving a sooty mold mystery.


jasminekour12 2 years, 4 months ago

This post is good …. Thank for helps people through this post https://www.blackmagiclovevashikaran....">Love marriage solution https://www.blackmagiclovevashikaran....">Free online daily horoscope matching https://www.blackmagiclovevashikaran....">Wazifa for Love Marriage


EricaPierce 2 years, 4 months ago

Youre so cool! I dont suppose Ive read anything like this before. So nice to find somebody with some original thoughts on this subject. realy thank you for starting this up. this website is something that is needed on the web, someone with a little originality. useful job for bringing something new to the internet!">Click Here">


jhonalex2 2 years, 3 months ago

My friend mentioned to me your blog, so I thought I’d read it for myself. Very interesting insights, will be back for more!">SEO companies in dubai