SylbV01-00-00. pmd

VI. Theory
BLOCK 1: Morphological studies
Unit 1:
Introduction to morphology
Introduction, general morphology with special reference to the
morphology of sericigenous insects.
Unit 2:
Morphology of integument
Structure, segmentation and out growths, body regions, appendages
and other structures, their modifications in general.
Unit 3:
Morphology of body segments and appendages
Morphology of head, thorax, abdomen and their appendages, antennae,
mouthparts, setae, legs, cerci, styli and others. Morphology of
reproductive organs – modifications.
BLOCK 2: Systematics of sericigenous insects
Unit 1:
Introduction, scope and methods
Introduction to systematics: Concept, scope and applications, methods
involved in systematics.

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Restructured and Revised Syllabi of Post-graduate Programmes
Vol. 1
732
Unit 2:
Type concept
Holotype, syntype, erection of type and preservation of type.
Unit 3:
Preparation of keys
Key formation for sericigenous insects to identify orders, families,
genera, species and tribes/ eco-races.
Unit 4:
Zoological nomenclature
Binomial nomenclature; concept, scope and application.
VII. Practicals
• Study of head of sericigenous insects;
• Study of thorax and abdomen of sericigenous insects;
• Study of integument, their processes, out growths and setal maps;
• Preparation of temporary/ permanent slides to study the processes;
• Drawing of sketches using grid and camera lucida;
• Collection and preservation of specimens – whole specimen, dry/ wet preservation,
labelling of the specimens;
• Study of type concept – Hollotype, Syntype and allotype;
• Preparation of keys to orders, families, genera, species and tribes;
• Study of different sericigenous insects by making diagrams;
• Study of Chaetotaxy in sericigenous insects;
• Study of immature stages of silkworm 
Bombyx mori
L.;
• Study of immature stages of Tropical Tasar silkworm;
• Study of immature stages of Eri silkworm;
• Study of Polymorphism in silkworm
 Bombyx mori
L., Tropical Tasar and Eri
silkworm;
• Field visits for collection of Non-mulberry silkworms;
• Collection and preservation of sericigenous insects (Dry preservation);
• Collection and preservation of immature stages of sericigenous insects (Wet
preservation);
• Visit to Taxonomic section of department of entomology to understand preservation
of specimens and their management.