Cicada Killer Wasps return each year between late June and early July. I meant to give a warning before they arrived, but they showed up a little earlier this year. They are frustrating and intimidating, but luckily not very aggressive. Rob is our resident expert exterminator, but complete eradication is impossible it seems. He has killed a large number of them and the one pictured here was flattened just after posing for this photo. I expect we will see others for at least another two weeks.