No, that is spiders, i used to see it alot in south texas, and when i mean south texas i dont mean houston and corpus, i mean the border, brownsville, (heheh brown) san beinto, harlingen, so far south your in some cases north mexico
http://www.texasento.net/Social_Spider.htm
http://www.theage.com.au/ffximage/2007/05/14/1505N_WEBS_wideweb__470x263,0.jpg