What is the Shape and Size of Bed Bug? (234)

Bed Bugs are Oval or elliptical shaped and brownish in color. It’s very small as an apple seed in size. They are living on the blood of Humans and Animals. After feed they looks reddish. Adult bed bugs have plane bodies, but enlarge after feeding.  Their life cycle is different than other insects. After egg they have 5 stages before reach in maturity. These five stages are known as Nymph.

What is the size and shape of bed bugs?

Bed bug life cycle

Unlike other insects they have 7 stages in their life cycle. In each stage their sizes are different. Here is a chart of sizes below:

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134/1. Sizes of bed bugs

1. Eggs: 1.5 mm long. In the above picture the left most is showing egg.

There are five stages of Nymph are given below:

2. Nymph: First stage – takes in blood meal, then molts.

3. Nymph: Second stage – 2.0 mm long, takes in blood meal, then molts.

4. Nymph: Third stage – 2.5 mm long, takes in blood meal, then molts.

5. Nymph: Fourth stage – 3.0 mm long, takes in blood meal, then molts.

6. Nymph: Fifth stage – 4.5 mm long, takes in blood meal, then molts.

The last and final stage is adult.

7. Adult:  5.5 mm long, takes repeated blood meals over several weeks. Female can lay up to 5 eggs a day.

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