What is the major insect pest of the cotton plant?
The primary species that attack cotton are: black, granulated and variegated cutworms. Several different species of thrips (flower, soybean, tobacco and western flower) may attack cotton. Yellowstriped armyworms are seedling pests; whereas beet (foliage) and fall (boll) armyworms are more late-season pests.
Which flies pest of cotton?
Of these the sweetpotato whitefly Biotype B is the most serious economic pest of cotton.
What is cotton insect?
Whiteflies are a primary pest of cotton, a pest that has known resistances to commonly used compounds. It is critical that those managing cotton know how to properly sample whitefly adults and large nymphs within their fields. First and foremost, proper sampling is key when making spray decisions.
Why is the cotton bollworm a pest?
Inversely, in cotton, the bollworm poses a serious threat to yield when infestations are left uncontrolled. The bollworm can feed on several plant positions, including flowers (Figure 5), bolls, terminals and fruiting squares. Infestations and damage in cotton are often directly related to surrounding corn crops.
What is a major insect predator of cotton?
Among the hundreds of beneficial species commonly devouring cotton pests are green and brown lacewings, pirate bugs, big-eyed bugs, assassin bugs, damsel bugs, spined soldier beetles, Staphylinid rove beetles, Carabid ground beetles, Collops beetles, lady beetles, six-spotted thrips, Tachinid flies, Phytoseiid mites.
What is a major insect predator of cotton crops?
Natural enemies in cotton include assassin bugs, big-eyed bugs, collops beetles, damsel bugs, ground beetles, lacewing larvae, lady beetles (or ladybugs), minute pirate bugs, spiders, syrphid fly larvae, and a variety of tiny wasps that parasitize the eggs, larvae, and pupae of many cotton pests.
Is bollworm a insect?
The pink bollworm (Pectinophora gossypiella; Spanish: lagarta rosada) is an insect known for being a pest in cotton farming. The adult is a small, thin, gray moth with fringed wings. The larva is a dull white caterpillar with eight pairs of legs with conspicuous pink banding along its dorsum.
What is Monophagous pest?
Monophagous: insects feeding upon only one species or genus of plants.
What is thrips in cotton?
Thrips are tiny, slender insects less than 0.06 inch (1.55 mm) long. Western flower thrips are by far the most common thrips on cotton and may be found all season. They are light colored; adults have clear, slender wings. The bean thrips occasionally appears on cotton in summer, usually at field edges.
Which pest of cotton hibernate in seed?
Among these, the bollworms viz., American bollworm, Helicoverpa armigera, (Hubner), spotted bollworm, Earias vittella (Fabricius), spiny bollworm, Earias insulana (Biosdual), pink bollworm, Pectinophora gossypiella (Saunders), pose greater threat to cotton production.
Which pest is commonly known as spotted bollworm of cotton?
Bollworm is the common term for a moth larva that attacks the fruiting bodies of certain crops, especially cotton. The most common moths known as bollworms are: Red or Sudan bollworm, Diparopsis castanea. Rough bollworm, Earias perhuegeli.
Where are bollworm found?
This invasive pest can be found both in field and greenhouse settings. Old World bollworm is found in many areas of Africa, Asia, Europe, Australia, and the islands of the Western Pacific Region. It has also been reported in Brazil and may be present in other South and Central American countries.
Which is Polyphagous pest?
Polyphagous pests are primarily agricultural pests that feed on economically important agricultural and horticultural crops of wide taxonomic diversity across the globe. They cause immense damage across different crop varieties owing to their generalist and voracious food habits.
Which is Oligophagous pest?
Oligophagous definition An oligophagous pest of leguminous plants. Feeding upon a limited variety of food, as certain caterpillars whose diet is restricted to a few related plants. Feeding on a limited number of foods, usually within one taxonomic family.
What is the scientific name of cotton thrips?
Frankliniella schultzei (cotton thrips)
What is cotton whitefly?
Whitefly is a serious pest of cotton that lowers yield by feeding on the underside of the leaf and spreading diseases like Cotton Leaf Curl Virus. Whiteflies feed on the sap of the leaves and release a fluid on to the leaves on which a black fungus grows.
How many insect pests does cotton have?
More than 1300 species of insects are found attacking on Cotton crop and more than 93 insects and mites are found damaging for the cotton crop in Pakistan.
What is scientific name of American bollworm?
Helicoverpa armigeraCotton bollworm / Scientific name
Which is Monophagous pest?
Monophagous pests are those insects, which are known to feed on only a single species of plants. For example, Scirpophaga incertulas.
What is Oligophagous pest?
zoology. (of an insect) feeding on a limited range of foodstuffs, esp plants.
What is the most common insect that eats cotton?
Major Insect Pests Of Cotton. Cotton jassid is a major sucking insect pest of cotton with scientific name Amrasca biguttula (Ishida). It belongs to family Cicadellidae and order Homoptera. Cotton whitefly is another important sucking insect pest of cotton with scientific name Bemisia tabaci (Gennadius).
What is the scientific name of cotton mealy bug?
Armyworm is a major and important chewing insect pest of cotton crop and its scientific name is Spodoptera litura (Fabricius). It belongs to family Noctuidae and order Lepidoptera. 9. Cotton Mealy Bug
What is the scientific name of bollworm in cotton?
American bollworm is one of the important major insect pests of cotton crop and its scientific name is Helicoverpa armigera (Hubner). It belongs to family Noctaidae and order Lepidoptera. 8. Armyworm
Where did the cotton pest come from?
Possibly originated in the erstwhile Indian subcontinent, this gelechiid insect has caused huge crop loss in both diploid and tetraploid cotton varieties. The pest moved from old world into the rest of the world through seed cotton that was commonly used to make beds and furniture cushion fillings.