Size doesn't seem to matter when it comes to the ability to pack a stinky punch either; Picasso bugs only reach lengths of up to 1.5 centimeters (0.6 inches), or about the same length as an aspirin.

Here, Feliciano Lopez gets partner Milos Raonic fired up with a "punch bug" punch to the shoulder. —It’s not all fun in the sun. Fernando Verdasco lost so badly in his opener that he ...