Reported by B.M. at 7:06 PM
San Diego County, California, US
Seems to be a debris-carrying Green Lacewing larvae. See linked video for a living moving image: https://www.facebook.com/photo.php?v=10152567160007520&set=vb.578717519&type=2&theater
Here is a paper on it: http://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=13257
On window inside house.
Green lacewings are insects in the large family Chrysopidae of the order Neuroptera. There are about 85 genera and (differing between sources) 1,300–2,000 species in this widespread group. Members of the genera Chrysopa and Chrysoperla are very common in North America and Europe; they are very similar and many of their species have been moved from one genus to the other time and again, and in the non-scientific literature assignment to Chrysopa and Chrysoperla can rarely...