Swarm of ladybugs caught on National Weather Service radar

SAN DIEGO, Calif. (FOX 11) - That’s not rain showing up on the radar, it’s actually a swarm of ladybugs. 

The National Weather Service in San Diego caught this large cloud of ladybugs on their radar moving through Southern California. 

It's about 10-miles wide and between 5,000 to 9,000 feet. 

Officials say the cloud of ladybugs is termed a “bloom”. It wasn't immediately known what type of ladybug was causing the phenomenon.