Bed Bugs Picture


Bed bugs picture at each stage of their life cycle is shown below. Bed Bugs change in appearance as they move from egg, through 5 nymph or baby bed bug stages, and then to adulthood. They also change in color and size before and after they feed on a host. The pictures and video below show what to look for at each bed bug life stage (stages are also referred to as instars). At the end, pictures of insects that are often confused with bed bugs are provided and some tips on how to differentiate bed bugs.

If you are unsure that you have a bed bug infestation, you can usually mail a sample to either Harvard School of Public Health or check with your State or City department of health to see if they inspect a bed bug you capture.

Pictures of Bed Bugs Eggs


The typical female bed bug will lay 2 to 3 eggs per day with a total of 200 over her approximate 10 month life span. The eggs are usually laid on rough surfaces and are held to the surface with a cement like substance. Eggs are 1mm in length (size of a pin head) and are oval shapes. They appear to be yellow - white in color.  Bed bugs eggs hatch after 2 weeks.

Because they are small and white, they are difficult to find when treating a room with a spray such as Sterifab or vacuum product. Late hatching eggs after a first treatment is applied is often the reason for an infestation to return.

Bed bugs live for approximately 10 months and move through a life cycle from egg to adult. Infestations usually start with a female bed bug who would bite the host for blood upon arrival in the bed, and then for another "meal 2 weeks later.

Here are some pictures of bed bugs eggs:

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Closeup Bed Bugs Eggs Picture

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Picture of Bed Bugs Eggs Attached to a Surface

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Picture of Bed Bugs Eggs on Upholstery

Bed Bug Nymph Picture


Bed bug nymphs or baby bed bugs are born from an egg after 2 weeks.  They move through 5 nymph stages..  To move from stage to stage a nymph needs to feed.  Nymphs are light or straw colored, which darkens as they feed.  Bed bug development is dependent on the temperature.  In normal room temperatures is takes about 10 weeks for a nymph to develop into an adult.

Bed Bug Nymph Pictures


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Bed Bug Nymph Pictures

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Bed Bug Nymph After Feeding

This chart shows all of the bed bug life cycle stages and how bed bugs change in appearance as they grow:

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Bed Bug Life Cycle Diagram
Source: Texas A&M University Bed Bug LIfecycle

Adult Bed Bugs

This bed bug video shows an adult bed bug in action.


National Geographic Bedbug Video

bed bugs pictures

As mentioned, this side by side bed bugs picture shows a bed bug before and after feeding on a host.  Note the brownish color becomes red/brown after feeding.

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Bed Bugs Mattress


Most bed bugs in a room will be found hiding near or around the bed.  The first sign of bed bugs mattress problems are brown fecal marks on the surface of the mattress as seen below.  The bed bugs themselves will look to hid in any rips in the mattress, along seams, and commonly under any mattress tags.

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Picture Bed Bugs Mattress Stains

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Bed Bugs Spots on Mattress

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Bed Bugs Picture - Hiding on Mattress

Treatment of bed bugs mattress problems is a multi step process which is detailed on our guide to getting rid of bed bugs.




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