[HiTech RedNeck]

I just keep on wondering how such great masses of the bugs aggregate. People don’t have that much blood to share. They’d bleed to death. They are not garbage eaters, like cockroaches.

[Abby4116]

Newly emerged nymphs can survive without a blood meal for days up to several months. Older nymphs and adults can survive longer without a blood meal from months up to a year under favorable conditions.

Lots of info