Insects

Pests On Tuber Crops – Potato, sweet potato – Insects study materials

PESTS ON TUBER CROPS POTATO Cutworms,    Noctuidae: Lepidoptera Common cutworm,     Agrotis segetum  Black cutworm, Agrotis ipsilon  Spotted cutworm, Xestia C-nigrum  Variegated cutworm, Peridroma saucia Feed on foliage Cut tender stem Larvae remain in soil Larva dark brown in colour  Pupates inside the soil Adult – brown fore wings with spots and markings Potato […]

Insects

Pest Affecting moringa, drumstick tree, horseradish tree, and ben oil tree or benzolive tree – Free Study Material

MORINGA Moringa oleifera is a plant that is often called the drumstick tree, the miracle tree, the ben oil tree, or the horseradish tree. Moringa has been used for centuries due to its medicinal properties and health benefits. It also has antifungal, antiviral, antidepressant, and anti-inflammatory properties.Pod fly Gitona distigma (Drosophilidae: Diptera) Aematurely and full-fed caterpillars come out […]

Insects

Pest Affecting Cruciferous vegetables like cauliflower, cabbage, kale, garden cress, bok choy, broccoli, Brussels – Free Online Studymaterial

CRUCIFEROUS VEGETABLES Cruciferous vegetables are vegetables of the family Brassicaceae (also called Cruciferae) with many genera, species, and cultivars being raised for food production such as cauliflower, cabbage, kale, garden cress, bok choy, broccoli, Brussels sprouts and similar green leaf vegetables. The family takes its alternative name (Cruciferae, New Latin for “cross-bearing”) from the shape […]

Insects

PEST IN CUCURBITATIOUS VEGETABLES – CUCUMBER, WATERMELONS, SQUASH AND PUMPKIN, GUARDS – Free Online Studymaterial

family of chiefly herbaceous tendril-bearing vines (order Campanulales) that are characterized by an inferior ovary and anthers usually united and that include food plants (as the cucumber, melon, squash, and pumpkin), drug plants (as the colocynth), and ornamental plants (as the gourds) Fruit flies (Tephritidae: Diptera) Bactrocera dorsalis:  Adult is a reddish-brown fly with lemon-yellow […]

Insects

Pest Affecting Brinjal Production – Free Online Agri Studymaterial

BRINJAL Shoot and fruit borer Leucinodes orbonalis (Pyraustidae: Lepidoptera) Leucinodes orbonalis is the most important and destructive pest of brinjal. It starts damaging brinjal plant, few weeks after transplantation.  Larva bores into tender shoots and causes withering of terminal shoots or dead hearts.  It also bores into petioles of leaves, flower buds and developing fruits […]

Insects

PESTS ON GROUNDNUT – free online study material

Aphid, Aphis craccivora     Hemiptera, Aphididae They are small-sized insects (2 mm long), pear shaped, green, greenish brown or greenish black in colour. Adults are mostly wingless but few winged forms also seen. It has 12-14 generations per year  Nymphs and adults suck sap from tender growing shoots, flowers, causing stunting and distortion of the […]

Insects

PESTS OF MEDICINAL AND AROMATIC PLANTS – Free Study Material

BELLADONA Cut worm, Agrotis flammetra (Noctuidae: Lepidoptera)  Leaf feeder, Archipsinca ceana SENNA Green leaf eating caterpillar, Catopsilia pyranthe Pierdae Lepidoptera Pod borer, Etiella zinckenella Phycitidae Lepidoptera  LONG PEPPER Mealy bug, Dysmicoccus sp. (Pseudococcidae: Hemiptera)  Tea mosquito bug, Helopeltis theivora (Miridae: Hemiptera)  MEDICINAL YAMS Aphids, Aphids gossypii, Pentalonia nigronervosa (Aphididae: Hemiptera)  Red spider mite, Tetranychus sp […]

Insects

Pest Of Lily, Neriyum, chyrysanthemum,Crotons, Teak, casuarina, Bamboo, Eucalyptus, Neem etc

PESTS OF LILY Leaf caterpillar Polytela gloriosa Noctuidae :  Lepidoptera Adult – brown with yellow and red markings. Larva -leaf feeder PESTS OF NERIUM Sphingid caterpillar   Deilephila nerii         Sphingidae :  Lepidoptera Adult: Robust, green moth with yellow markings Leaf butterfly      Euploea core      Danaidae :  Lepidoptera  Larva: Blackish brown, […]

Insects

Pest or Insects Affecting Coffee Production – Types of pest Affecting the Coffee – Free Study Material

PESTS OF COFFEE White stem borer Xylotrechus quadripes Cerambycidae: Coleoptera White stem borer is the most serious pest of Arabica coffee in India.  Alternate host plants include Robusta tree coffee, teak, Oleadioica etc. However, borer usually does not breed in these plants.  Adult is slender and 2.5 cm long beetle. Forewings are black with white […]

Insects

Pest Affecting Cardomom and Betelvine – Pest control Studymaterial

CARDAMOM Shoot/panicle/capsule borer Conogethes punctiferalis (Pyraustidae: Lepidoptera) It is a serious pest of nurseries in Tamil Nadu, Karnataka and Kerala. Alternate hosts are castor, turmeric, guava, mulberry etc. Larvae bore in to pseudostem of seedlings and feed on nursery plants and young tillers in plantation.  Infestation is indicated by the presence of entry holes plugged […]

Insects

Pests on Chillies, Turmeric and Ginger

PESTS ON SPICES AND CONDIMENTS CHILLIES Chilli thrips Scirtothrips dorsalis (Thripidae: Thysanoptera) Thrips cause severe damage in areas where chilli is cultivated as a dry crop. It also attacks on tea, acacia, prosopis, castor, cotton, mango, onion, groundnut, pomegranate, pulses, brinjal grape vine, Citrus sp. and numerous weeds.  Both nymphs and adults lacerate leaf tissues […]

Insects

SugarCane Pests – Study About Pest – Sugarcane production – Free Study guide

PESTS ON SUGARCANEEarly shoot borer – Chilo infuscatellus (Crambidae: Lepidoptera) P refer 1-3 months old crop. Caterpillar enters the stem by making holes above the ground level.  Formation of “dead heart” is the symptom. Affected plants can be easily pulled out. Rotten portion of the dead heart emits an offensive odour. High temperature, low humidity, […]