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Phone:
General Information
651-266-2400
651-266-2594 (TTY)

Email:
Public Health
AskPH@co.ramsey.mn.us
Environmental Health
AskEH@co.ramsey.mn.us
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AskVR@co.ramsey.mn.us

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PH Logo Life Cycle

 

photo: Life Cycle Banner - photos by R. Ignell, G. Alpert, L. Sorkin and W. Cranshaw

The life stages of bed bugs from egg to adult | photo

Eggs
Bed bug eggs look like tiny (1/16”) grains of rice (photo).  When the eggs are laid, they are glued in place.  The eggs take 6-10 days to hatch.  

Nymphs – 5 stages

Young bed bugs that CAN and DO bite (photo).  They have to shed their skin and feed to grow to the next stage.  Can look clear before they feed.  After a meal they look red.

Adults
Adult bed bugs are the size of an apple seed (1/4” - 3/8”).  The typical life span of a bed bug is 10-11 months.  They have been known to live over a year – with no food. (photo)

Reproduction
They can lay 5-7 eggs a day and 200-500 in a lifetime.  Male bed bugs are very sexually aggressive.
After being mated 2-3 times, females move to a new area to avoid males.  Being mated more than 9 times can kill a female bed bug.

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