In the interest of ensuring an enjoyable visit to an observing site such as Five Mile Meadow, I submit the following hyperlink - everything you ever wanted to know, and quite possibly more, but were afraid to ask about trombicula alfreddugesi (aka the chigger). http://ohioline.osu.edu/hyg-fact/2000/2100.html Peter -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.