Entomology Notes for IBPS AFO

History, importance, and present status of beekeeping in India -- from Langstroth's movable frame to India's Sweet Revolution

Historical development of entomology, major scientists and their contributions, and important entomology institutes in India.

Insect external and internal morphology, body segments and appendages, classification by orders (Lepidoptera, Coleoptera, Diptera, Hemiptera), metamorphosis types, insect taxonomy — for exams.

Complete guide to the 6 major pests of rice — brown plant hopper (BPH), yellow stem borer, gall midge, green leafhopper (GLH), thrips, and rice hispa with scientific names, ETL values, damage symptoms, management, and exam mnemonics

How pests are defined, categorised by occurrence pattern, and classified using DB Singh's system based on EIL, ETL, GEP, and Damage Boundary — with formulas, examples, and exam mnemonics

What are nematodes, where they live, and why they matter for agriculture -- covering definition, habitat, economic losses, and disease complexes

Five important bee species -- Rock Bee, Little Bee, Indian Bee, Italian Bee, and Stingless Bee -- with comparative analysis for exams

Key characteristics of the largest animal phylum, how arthropods differ from other animals, and why understanding Arthropoda is essential for identifying agricultural pests

Complete guide to minor rice pests (WBPH, earhead bug, mealy bug, black bug, case worm, grasshopper, whorl maggot) and comprehensive rice IPM strategies with biological control agents, resistant varieties, and chemical management

What IPM is, its five core principles, all seven control components, advantages over calendar spraying, and India's national IPM infrastructure — with field examples and exam strategies

Pest classification, Economic Threshold Levels, Integrated Pest Management, toxicology, insecticide formulations, biological control, and trapping methods

Chronological milestones in nematology -- from the first nematode discovery in 1743 to modern research in India, including the 5 landmarks

Queen, Worker, and Drone -- the three castes of a honey bee colony, their duties, haplodiploidy, life cycle, and the superorganism structure

Seven classes of Arthropoda, position of insects in the animal kingdom, defining features of Class Insecta (Hexapoda), and how insects relate to other arthropods

Complete guide to all 7 major pests of sorghum (jowar) — shoot fly, stem borer, pink stem borer, shoot bug, earhead bug, sorghum midge, and aphids with scientific names, ETL, damage, IPM, and exam mnemonics

Farm-level and community-level cultural practices, physical control through temperature, moisture, light, and air manipulation, mechanical methods like trapping and banding — with crop-pest examples, safe moisture levels, and exam mnemonics

Basic body plan, tube-within-a-tube structure, body shape, size, posture, symmetry, and colour of plant parasitic nematodes

Six valuable products from honey bees -- honey composition, ripening, purity tests, beeswax, royal jelly, bee venom, propolis, and pollen

Structure and functions of the insect integument, layers of the cuticle, cuticular modifications, and the hormonal control of the moulting process

Complete guide to all major pests of pearl millet — shoot fly, white grub, stem borer, termite, pink stem borer, grain midge, stink bug, and white borer with scientific names, damage symptoms, management, and exam mnemonics

Comprehensive guide to major pests of cereals, commercial crops, pulses & oilseeds, sugarcane, vegetables, and stored grains — identification, damage symptoms, ETL, and IPM strategies

Natural enemies used in Indian agriculture — parasitoid-crop-pest associations, key predators, microbial biocontrol agents (Bt, NPV, Beauveria), insect traps, and cocoon types with exam mnemonics

Cuticle, hypodermis, somatic muscles, and sensory structures (amphid, phasmid, deirid) of plant parasitic nematodes

Swarming, supersedure, absconding, foraging, dance language, and bee body structure -- essential concepts for competitive exams

Head capsule sclerites and sutures, three types of head orientation (hypognathous, prognathous, opisthognathous), antenna structure and modifications with agricultural examples

Complete guide to all major and minor pests of maize — stem borer, shoot fly, pink borer, corn earworm, fall armyworm (FAW), aphid, web worm, shoot bug, with scientific names, damage, management, and exam mnemonics

Four generations of insecticides, formulation types (EC, WP, GR, SP), particle sizes, spray volumes, toxicology basics (LD50, LC50), WHO hazard classification, and mode-of-action categories with exam mnemonics

Inner body structure of nematodes -- stoma, stylet types, three-part oesophagus, intestine, and the male cloaca vs female anus distinction

Wax moths, mites, birds, and microbial diseases -- identification, symptoms, and management of major bee enemies

Primitive mandibulate mouthparts, structure and function of mandibles, maxillae, labrum, labium, and hypopharynx with agricultural pest examples

Complete guide to all major and minor pests of wheat — armyworm, wheat aphid, ghujhia weevil, gram pod borer, termites, molya nematode, wheat-gall nematode, and 8 minor pests with scientific names, ETL, damage, management, and exam mnemonics

Major botanical insecticides — rotenone, pyrethrum, azadirachtin (neem), and nicotine — their plant sources, active ingredients, modes of action, and role in organic farming, with comparison tables and exam mnemonics

Reproductive modes (sexual, parthenogenetic, hermaphroditic), male and female gonad anatomy, excretory types, and the nerve ring

Bee box components, bee space, smoker mechanism, and honey extractor -- essential equipment for scientific beekeeping

Five types of haustellate mouthparts -- chewing-lapping, piercing-sucking, rasping-sucking, sponging, and siphoning -- with agricultural and medical significance

Master the three major cotton bollworms — spotted bollworm (Earias vittella), American bollworm (Helicoverpa armigera), and pink bollworm (Pectinophora gossypiella) — with damage symptoms, ETL values, Bt cotton technology, and biological control for IBPS AFO and ICAR exams.

Light traps, pheromone traps (with identified pheromone names), sticky traps, poison bait traps, pit fall traps, suction traps, and probe traps — their principles, target pests, and exam-critical facts

Taxonomic classification (Secernentea vs Adenophorea) and feeding-habit-based classification (ecto, semi-endo, and endoparasites)

Site selection, colony placement, dearth period feeding, honey extraction, bee pasturage, pollination management, and pollination benefits for crops

Thorax structure, five segments of insect legs, twelve types of leg modifications with agricultural examples including the specialised legs of honeybees

Complete guide to all 10 cotton sap feeders and foliage pests — leafhopper (hopper burn), aphid (sooty mould), whitefly (CLCuD vector), thrips (silvery sheen), red cotton bug (lint stainer), with ETL values and management for IBPS AFO and ICAR exams.

Insect diapause stages and triggers, pollination syndromes and their agents, pests accidentally introduced into India with countries of origin, and legal control measures including DIPA 1914, Insecticides Act 1968, and quarantine systems

Six stages of the nematode life cycle, moulting (ecdysis), hatching, and voltinism (univoltine vs multivoltine generations)

NBB, CBRTI, KVIC, and All India Bee Keepers Association -- their founding, locations, objectives, and roles in promoting apiculture

Study insect wing structure and venation: Comstock-Needham system, six longitudinal veins (costa, subcosta, radius, media, cubitus, anal veins), cross veins, margins, regions, and pest identification use.

Complete integrated pest management calendar for cotton — pre-sowing to harvest management, Bt cotton refuge strategy, biological control agents, resistant varieties, ETL values, and chemical control for IBPS AFO and ICAR exams.

Conceptual revision quiz covering pest classification, thresholds, IPM principles, cultural, physical, biological and chemical control, botanical insecticides, trapping, diapause, pollination, introduced pests, and legal control

Nematode interactions with fungi, bacteria, and viruses (NEPO/NETU), plus entomopathogenic nematodes (EPNs) for biological control

Sweet Revolution, NBHM, World Bee Day, beekeeping as 5th agricultural input, and recent achievements in Indian apiculture

Types of Wing Couplings, Insect Wing Modifications with examples

Complete guide to groundnut pests — aphid, leafhopper, thrips, red hairy caterpillar, Spodoptera litura, Helicoverpa armigera, white grub, and pod borer — with ETL values, trap crops, resistant varieties, and biological control for IBPS AFO and ICAR exams.

Cultural, regulatory, physical, biological, chemical, and integrated approaches to nematode control in Indian agriculture

Plant parasitic nematodes — root-knot, cyst, reniform and burrowing nematodes. Symptoms, lifecycle, host range, damage thresholds, chemical and biological management strategies for agriculture exams.

Introduction to sericulture, silk as a protein fibre, India's production status, key institutes, and the importance of silk industry for rural economy

Economic insects — honey bees (Apis species), silkworm sericulture, lac insects, pollinators and natural enemies. Biology, rearing practices, products and economic importance for exams.

Abdominal segments, sclerites, genital segments, modifications in different orders, and appendages including cerci, ovipositor, prolegs, and tracheal gills

Complete guide to all major and minor pests of pulses — gram pod borer (Helicoverpa armigera), plume moth, pod fly, cut worm, stem fly, sterility mite, spotted pod borer, tur pod bug with scientific names, ETL, damage, management, and exam mnemonics

The No. 1 nematode pest -- species in India, giant cell biology, gall formation, above/below-ground symptoms, and integrated management

Mulberry, Tasar, Oak Tasar, Muga, and Eri silkworms -- host plants, voltinism, silk characteristics, and classification for exams

Structure and function of the alimentary canal (foregut, midgut, hindgut), process of digestion, filter chamber, and classification of insects by food habits

Complete guide to all 8 major pests of mustard and cruciferous oilseeds — mustard aphid, painted bug, mustard sawfly, green peach aphid, diamondback moth, Bihar hairy caterpillar, cabbage butterfly, pea leaf-miner with scientific names, damage, management, and exam mnemonics

Molya disease, potato cyst nematode, syncytium formation, host-specific hatching, and management with resistant varieties

Moulting, silk composition, diapause, disease-free laying (DFL), grainage, mounting, reeling, stifling, and denier -- all key terms explained

Malpighian tubules, cryptonephry, and seven excretory organs including nephrocytes, fat bodies, urate cells, and chloride cells

Complete guide to all 5 major pests of finger millet (ragi) — pink stem borer, white borer, root aphid, cut worm, and white grub (National Pest) with scientific names, damage, management, comparison tables, and exam mnemonics

The first-ever PPN discovered -- earcockle and tundu diseases of wheat, seed-borne biology, brine flotation, and management

Pebrine, Grasserie, Flacherie, Muscardine, Uzi Fly, and Dermestid Beetle -- causes, symptoms, and identification for exams

Tracheal system structure, spiracles and taenidia, mechanism of respiration, and alternative respiratory methods (cutaneous, gills, plastron, air sacs)

Complete guide to India's major polyphagous pests — red hairy caterpillar, white grub (National Pest), desert locust, migratory locust, Bombay locust, and termites with scientific names, damage, management, comparison tables, and exam mnemonics

Slow decline of citrus -- semi-endoparasitic biology, nurse cell formation, feeder root symptoms, and neem cake management

Lac insect biology, Rangeeni and Kusami strains, host plants, crop seasons, and the life cycle of Kerria lacca for competitive exams

Open circulatory system, dorsal blood vessel (aorta and heart), ostia, haemocoel sinuses, accessory pulsatile organs, haemolymph properties and functions

Complete guide to all five sugarcane borers — early shoot borer (Chilo infuscatellus), internode borer, top borer (Scirpophaga excerptalis), root borer, and Gurdaspur borer — with dead heart identification, ETL, biological control, and resistant varieties for IBPS AFO and ICAR exams.

Above-ground nematodes -- white tip of rice, mushroom nematode, chrysanthemum nematode, strawberry crimp, and red ring disease of coconut

From stick lac to shellac -- processing chain, economic uses, natural enemies, and the National Institute of Secondary Agriculture (NISA)

Neuron structure and classification, synaptic and axonic impulse conduction, central, visceral, and peripheral nervous systems

Complete guide to white grub (Holotrichia consanguinea) and termites (Odontotermes obesus) in sugarcane — identification, damage symptoms, C-shaped grub recognition, sett treatment, resistant varieties, and management for IBPS AFO and ICAR exams.

Banana decline, yellows disease of black pepper, spreading decline of citrus, migratory endoparasitic biology, and toppling-over damage

Parasitoids, predators, pollinators, weed killers, soil builders, scavengers, and insects useful as drugs, food, dyes, and in scientific research

Visual organs (compound eyes, ocelli), auditory organs (tympanum, Johnston's organ), chemoreceptors, mechanoreceptors, and thermoreceptors

Complete guide to sugarcane sap feeders — Pyrilla perpusilla (richman's pest), whitefly, mealybug, scale insects, woolly aphid — with Epiricania melanoleuca bio-control, damage symptoms, and management for IBPS AFO and ICAR exams.

Kidney-shaped female, immature female as infective stage, two races in India, and impact on cotton, castor, and pulses

Revision quiz covering apiculture, honey bee species and castes, bee behaviour, bee products, apiary management, institutions, government initiatives, and core sericulture concepts

Male and female reproductive anatomy, seven types of reproduction (oviparity, viviparity, parthenogenesis, polyembryony, and others), and their agricultural significance

Complete integrated pest management calendar for sugarcane — planting to harvest management, biological control agents for borers and Pyrilla, resistant varieties, sett treatment, ETL values, chemical control, and detrashing schedules for IBPS AFO and ICAR exams.

Ufra disease of rice, onion bloat, potato rot, and mushroom nematode -- above-ground nematode parasites of stems and bulbs

Revision quiz covering silkworm pests and diseases, lac culture, lac processing, beneficial insect categories, pollinators, predators, parasitoids, and insects of economic and scientific importance

Glandular System, Endocrine and Ecocrine Glands

Complete guide to pests of tomato and brinjal — Helicoverpa fruit borer, serpentine leaf miner, Bemisia whitefly (leaf curl vector), Leucinodes shoot borer (most serious brinjal pest), hadda beetle, and brown leafhopper (little leaf vector). With comparison tables, IPM, and exam mnemonics.

Lesion, rice root, false root-knot, spiral, lance, stunt, ring, sheath, pin, dagger, needle, and stubby-root nematodes

Revision quiz covering uncovered high-yield topics in apiculture, bee diseases, silkworm types and processing, lac culture, and wider beneficial insect applications

Ametamorphosis, incomplete and complete metamorphosis, types of eggs, larvae (caterpillar, grub, maggot, naiad), pupae (obtect, exarate, coarctate), and cocoons

Complete guide to pests of chilli and okra — chilli thrips (upward curling), tobacco cutworm, Bemisia whitefly (mosaic and YVMV vectors), and okra shoot borer (same as cotton spotted bollworm). With comparison tables, IPM, and exam mnemonics for exams, NABARD & ICAR.

Revision quiz covering introduction, history, body organisation, morphology, anatomy, physiology, classification, biology, ecology, and management of plant parasitic nematodes

Measures of insect dominance, structural perfections, developmental characters, and protective adaptations that make insects the most successful animals on Earth

Complete guide to pests of onion and cole crops — onion thrips, onion fly, diamondback moth (insecticide resistance champion), cabbage butterfly, mustard sawfly, and cabbage aphid. With comparison tables, trap crop strategies, IPM, and exam mnemonics for exams, NABARD & ICAR.

Revision quiz covering major plant parasitic nematodes including root-knot, cyst, seed-gall, citrus, aphelenchid, burrowing, reniform, Ditylenchus, and other important genera with symptoms and management clues

Revision quiz covering entomological history, Arthropoda classification, insect body regions, exoskeleton, head, mouthparts, legs, wings, abdomen, and key order-family associations

Complete guide to potato pests — potato tuber moth (unique field-and-storage pest), greasy cutworm (nocturnal stem cutter), and green leafhopper (hopper burn). With comparison tables, IPM strategies, and exam mnemonics for exams, NABARD & ICAR.

Revision quiz extending nematology coverage across history, body structure, classification, and finer species-level facts from root-knot, cyst, seed-gall, citrus, aphelenchid, burrowing, reniform, Ditylenchus, and other important plant parasitic nematodes

Revision quiz covering digestive, excretory, respiratory, circulatory, nervous, sensory, reproductive, endocrine, metamorphic, and adaptive features of insects with supporting order-level systematics

Complete guide to pests of tea and tobacco — tea mosquito bug (toxic saliva), tobacco caterpillar (polyphagous defoliator), Helicoverpa (cannibalistic bollworm), cutworms, stem borer, ground beetles, whitefly, and green peach aphid (100+ virus vector). With comparison tables, IPM, and exam mnemonics.

Revision quiz extending nematology coverage across digestive anatomy, reproductive physiology, detailed management, disease complexes, and finer species-level facts not fully covered in the first three tests

Revision quiz covering detailed morphology, appendages, physiology, metamorphosis, reproduction, endocrine control, and dominance-related features of insects for full sub-course revision

Master all 11 major pests of mango — from hoppers and fruit flies to stem borers and mealy bugs. Covers scientific names, damage symptoms, IPM, and exam-focused mnemonics for exams, NABARD & ICAR.

Complete guide to major and minor pests of banana — rhizome weevil, pseudostem borer, banana aphid as BBTV vector, and lacewing bug. Includes comparison tables, IPM, and exam mnemonics for exams, NABARD & ICAR.

Complete guide to major and minor pests of citrus — psyllid (greening vector), leaf miner (canker link), blackfly, whitefly, bark caterpillar, citrus butterfly, and citrus aphid (CTV vector). With comparison tables, IPM, and exam mnemonics.

Complete guide to 11 major and minor pests of coconut — rhinoceros beetle, red palm weevil (hidden enemy), black headed caterpillar, eriophyid mite, white grub, and slug caterpillar. With comparison tables, IPM, and exam mnemonics for exams, NABARD & ICAR.

Complete guide to all pests of guava and pomegranate — tea mosquito bug (corky scab), fruit fly, anar butterfly (fruit borer), castor semilooper (dual-role pest), with comparison tables, IPM strategies, and exam mnemonics for exams, NABARD & ICAR.

Complete guide to primary stored grain pests (internal feeders) — rice weevil, lesser grain borer, angoumois grain moth, pulse beetle, cigarette beetle, drug store beetle, sweet potato weevil, and more with scientific names, damage symptoms, and exam-focused mnemonics

Complete guide to secondary stored grain pests (external feeders) — khapra beetle, Indian meal moth, rice moth, red flour beetle, saw-toothed grain beetle, flat grain beetle, grain mite with scientific names, damage, and exam mnemonics

Complete guide to stored grain pest management — fumigation with aluminium phosphide, methyl bromide, seed treatment with malathion, surface treatment, preventive measures, storage structures (Pusa bin, CAP, silo), and exam-focused facts

Revision quiz covering cereal, fibre, pulse, oilseed, millet, and polyphagous pest concepts with focus on key symptoms, identities, and management clues

Revision quiz covering sugarcane, vegetable, fruit, plantation, and storage pest concepts with focus on major symptoms, vectors, trap crops, and management clues

Revision quiz covering the remaining cereal, fibre, pulse, oilseed, and polyphagous pest concepts not covered in the first two practice tests

Revision quiz covering the remaining sugarcane, vegetable, fruit, plantation, and stored-grain concepts not covered in the earlier practice tests