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Insect Anatomy
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Head
Contains the insect's brain, mouthparts, and compound eyes. It is responsible for sensory input and processing, as well as ingestion.
Thorax
Supports the legs and wings of the insect. It is the center for locomotion.
Abdomen
Houses vital systems for digestion, excretion, reproduction, and respiration.
Antenna
Sensory appendages that are primarily responsible for smell and sometimes touch.
Compound Eye
Consists of numerous tiny lenses that provide a wide-angle and highly sensitive visual capability.
Ocelli
Simple eyes that detect light intensity and basic images, providing information to maintain stability and direction.
Mandibles
Jaw-like mouthparts used for gripping, biting, and cutting food.
Proboscis
A tubular mouthpart adapted for sucking or siphoning fluids such as nectar.
Labrum
An upper lip that assists in holding and cutting food.
Labium
The lower lip which aids in manipulating food and in some insects, bears sensory palps.
Maxillae
Paired appendages with palps that help in tasting and handling the food.
Spiracles
Openings on the body that lead to the tracheal system, allowing for gas exchange.
Tracheae
A system of tubes that transport oxygen directly to the insect's tissues and remove carbon dioxide.
Tarsi
The last part of the legs, usually divided into segments and ending with claws, used for gripping surfaces.
Elytra
Hardened forewings of beetles and some other insects that protect the flying wings and the body.
Halteres
Modified hind wings in flies that act as gyroscopes to maintain balance during flight.
Cerci
Paired appendages on the rear of the abdomen, often serving as sensory organs or for grasping.
Ovipositor
A specialized structure in females used for laying eggs, which can sometimes be modified into a stinger.
Tympanum
A membranous structure used for detecting sound waves.
Fat Body
A nutrient storage organ that also plays a role in metabolism, detoxification, and immune response functions.
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