Structure of Cockroach
The diagram of cockroach shows the structure of cockroach. The external features of cockroach diagram show the following parts:
Head
- Head of cockroach consists of 3 important structures – antennae, compound eyes, and mouth organ.
- Antennae – sensory organs. Sensory organs aiding navigation by detecting chemical signals and air movements.
- Compound eyes – Provide a wide field of vision for detecting predators, threats, and food sources.
- Mouthparts – consist of mandibles for chewing and maxillae for mixing food before ingesting.
Also Read: Arthropoda
Thorax
- The thorax is divided into three main segments, each has a pair of legs.
- Legs are joint appendages aiding swift movement and surface climbing.
- Thorax segments are: prothorax, mesothorax, and metathorax.
- Legs comprise segments like coxa, femur, tibia, and tarsus, with sensory hairs detecting touch and vibrations.
Abdomen
- The abdomen of a male and female cockroach has ten segments
- Spiracles – small openings located on the sides of the abdomen that allow the exchange of gases and help in facilitating respiration.
Also Read: Morphology of cockroach
Difference Between Male and Female Cockroach
The difference between male and female cockroach is given below:
|
Features |
Female cockroach |
Male cockroach |
|---|---|---|
|
Body Size |
Larger in size as compared to males |
Smaller in size as compared to females |
|
Antennae |
Shorter and thicker |
Longer and slender |
|
Wings |
Wings are shorter, not extending beyond the thorax |
Typically, longer extending beyond the abdomen |
|
Abdomen |
The tenth abdominal segment has an anal cerci that may have ovipositor for laying of eggs |
The tenth abdominal segment has an anal style (sensory organs) |
|
Reproductive organs |
Possess ovaries that produce eggs |
Possess testes for the production of male gamete |
Diagram of Cockroach
The diagram of a cockroach typically illustrates its external anatomy, showcasing features like the head, thorax, abdomen, legs, wings, and antennae. Cockroaches belong to the phylum “Arthropoda,” under the Animal Kingdom. Students learn the diagram of a cockroach in class 11 in the chapter ‘Structural Organization of Animals’ in NCERT.
The diagram of the cockroach labelled is given below:
Diagram of Cockroach
Table of Content
- Structure of Cockroach
- Internal Structures of Cockroach
- Conclusion – Diagram of Cockroach
- FAQs on Diagram of Cockroach
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