Call Girls In Nihal Vihar Delhi ❤️8860477959 Looking Escorts In 24/7 Delhi NCR
Insights into Post-Harvest Entomology
1. An insight to Post-Harvest Entomology
Dr. Guru P. N.
Scientist (Agril. Entomology)
2. Humans
(Homo sapiens)
A pie chart of described eukaryote species,
showing just over half of these to be insects
• 925,000 species described
• Total of 30 million species (Approx)
• First sp.: 350 million years ago
• 30 orders & 560 families
Insect diversity
Insects
11. A few types of rodents
Rats
Mice
Squirrels
Chipmunks
Woodchucks
12. Some common species of rats:
Basis of their shelter, rats can broadly be divided in to two groups.
A. House rats B. Field rats
A. House rats:
1. Rattus rattus (House rat)
2. Mus musculus (House mouse)
B. Field rats:
1. Bandicota bengalensis (Lesser bandicoot)
2. Tetera omdoca (Indian gerbil)
3. Nesokia indica (Short tail mole rat)
4. Rattus meltoda (Soft fur field rat)
5. Mus booduga (Field mouse)
C. Common species of rats found in both field as well as houses
1. Rattus norgegicus (Norvey rat)
2. Rattus rattus rufescens
3. Bandicota indica (Large bandicoots)
13. Insects infesting stored grains
• Internal
• External
• Primary
• Secondary
• Storage
• Field cum
storage
Classification Type of insects
• Damage
Direct or
indirect
• Loss
Quality
Quantity
Type of damage
Moth
Weevil
Beetle
20. Rust red flour
beetle: Tribolium castaneum
Confused flour
beetle: Tribolium confusum,
Host range: Broken grains/
mechanically damaged grains,
germ portion and milled
products. Heavy infestation
causes stinking odour in flour,
adversely affecting the dough
quality. It is an important pest
for mill machinery.
200- 600 eggs/female
TLC: 5-8 weeks
21. Rice moth: Corcyra cephalonica
Host range: Rice, jowar, other millets, whole cereals, cereal
products, pulses, processed products of cereals, pulses, oil
seeds, nuts, dry fruits and milled spices.
22. Angoumois grain moth or Grain moth: Sitotroga cerealella
Host range: Paddy, maize, jowar, barley and wheat
(rarely).