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Insect Morphology and SystematicsBODY SEGMENTATION - STRUCTURE AND MODIFICATIONS OF INSECT ANTENNAEInsect Morphology and SystematicsBODY SEGMENTATION - STRUCTURE AND MODIFICATIONS OF INSECT ANTENNAE,
MOUTH PARTS AND LEGS,
WING VENATION, MODIFICATIONS AND WING COUPLING
APPARATUS & SENSORY ORGANS
Insect body is differentiated into three distinct regions called head, thorax and abdomen (grouping
of body segments into distinct regions is known as
tagmosis
and the body regions are called as
tagmata
).
I.
HEAD
First anterior tagma formed by the fusion of six segments namely preantennary,
antennary, intercalary, mandibular, maxillary and labial segments. Head is attached or articulated
to the thorax through neck or
Cervix.
Head capsule is sclerotized and the head capsule excluding
appendages formed by the fusion of several sclerites is known as
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