If You Are Going To Get Stung,

please try to make sure it is not one of these,

the one pictured here is from Brazil, but you can encounter the Pepsis wasp, (Pepsis and Hemipepsis) in a wide area in America with species occurring from Argentina northward to Logan, Utah, over 250 species are found in South America, fifteen occur in the United States, with at least nine occurring in the deserts, tarantula hawks, yes you read that correctly, their prey is tarantulas, occur wherever tarantulas are found, P. thisbe is the most northern ranging of the genus, for the full rundown on these wasps that are said to have the most painful sting of any animal in the world have a look here at the Arizona Daily Independent, be careful out there!