Some key facts to remember
- Insect is derived from Latin word ‘insectum’ means ‘to cut into’.
- They have open blood vessel system and bilaterally symmetrical body.
- Cicada has life cycle of 17 years and Female is voiceless.
- Drosophila melanogaster has life cycle of 10 days.
- Flesh fly has a life cycle of 3 days.
- Following insects can be found in this temperature. i.e. -20 0C ( Ice bug) and 800C (Locust).
- Monarch butterfly can fly 600 km at a time.
- All grubs of honeybee feed on royal jelly.
- Pupal stage lasts 8 days for queen, 13 days for worker (fertile egg “ female” ) and 14 days for drone ( fertile eggs “ male”).
- Silkworm ( Bombyx mori) has 5 larval instars; 1st wo are young worms and rest three are grown up worms.
- Lac insects scientific name is Kerria lacca.
- Rice crop devastated by Army worm in 1987 AD in Bankey district.
- Use of resistant varieties is also a cultural method.
- Pusa swami ( Var. of okra) is resistant to borer.
- Winter Majetin ( Var. of apple) is resistant to wooly aphid.
- Nosema bombysis (Green muscardine; protozoa) cause disease in silkworm.
- Parasitic fungi include Ascomycetes, Phycomycetes, Basidiomycetes and Deuteromycetes.
- Entomology is derived from Greek word
- Insect id derived from Latin word.
- Bartlett (1956) coined the term ‘IPM”.
- Term “Pest Management” was given by Geier (1970).
- Maximum amount of sugar in honey is 73% (69%).
- Lac insect : 68% resin.
- 1 kg Silk = 4000-6000 cocoon.
- Termite king: Unfertilized
- Termite queen: Fertilized
- Soldier: unfertilized
- Trade name for Carboxin is vitavex and Oxy carboxin is plant vex.
- Odd spotted beetle is beneficial while even spotted beetle is harmful
- Optimum moisture content for storage grain is 10%.
- Source of rotenone pesticide : darris elyptica
- The true name of BHC is HCN
- Mouth parts of plant parasitic nematode is Protrusible hollow stylet.
- Termite has chewing and cutting type of mouth parts
- Host plant of Locust: Polyphagous
- Family of white fly: Aleyrodidae
- Lac insect belong to homoptera
- Rubber septa is used in sticky trap
- Control of caterpillar : Bacillus thuringiensis
- Killing insect in storage: Methyl bromide
- Insecticide having contact and fumigant action is diazion.
- Insecticide belonging to synthetic parathyroid is cabadilla.
- Contact poison , Stomach poison and fumigant is BHC.
- Meta systox is both contact and systemic poison
- Salivary gland of insect secrete amylase.
- Dead heart of sugarcane: Chilo partellus
- Paralysis of honeybee is caused by virus.