We recently had a nasty storm that dropped 1.6" (4cm) of rain in less than one hour. My wife noticed that the lightning bugs had crawled out of the grass and were seeking refuge on the plants and flowers. These guys were hanging out on the daylillies.
Canon EF 100mm f2.8 USM Macro lens
Exposure 1/15 sec @ f5.6
Curves adjusted for contrast