tag:blogger.com,1999:blog-446924751738546355.post3743507939846077797..comments2023-10-09T00:09:16.769-07:00Comments on Arizona: Beetles, Bugs, Birds and more: Cottonwood Gall Aphids (Pemphigus populitranversus)Margarethe Brummermannhttp://www.blogger.com/profile/05623937180200255796noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-446924751738546355.post-2650781269804631822017-12-03T10:44:14.958-08:002017-12-03T10:44:14.958-08:00FYI, the cornicles don't produce the honeydew ...FYI, the cornicles don't produce the honeydew -- that comes from the anus. The cornicles do produce the waxy substance, which apparently serves a defensive purpose. See for example:<br />https://en.wikipedia.org/wiki/CornicleTim Robinsonhttps://www.blogger.com/profile/06772387296515905670noreply@blogger.comtag:blogger.com,1999:blog-446924751738546355.post-1103800725178772972015-05-12T11:33:50.127-07:002015-05-12T11:33:50.127-07:00Fascinating stuff. I'm constantly amazing at ...Fascinating stuff. I'm constantly amazing at the things we see out in the field. This I did not know so thanks for sharing. Have a good week! ChrisRohrerbothttps://www.blogger.com/profile/02136631378931478644noreply@blogger.com