Pink Bollworm

plugged with excreta of the insect which are feeding inside the boll. Reduction of lint development, discolouration, and destruction of seed. Premature drop [...] growing regions of the world. Damage symptoms Shredding of buds due to infestation of flower buds. Formation of rosette flower owing to flower infestation [...] eggs all over the cotton plant, preferably on or near the buds and flowers. Each female lay egg about 200-400 in singly or in small groups. Young larva

American serpentine leaf miner

roughly one hour the larva crawls out of the leaf and falls to the ground. This occurs in the early morning. The larva crawls into the ground to pupate [...] toothed ovipositor, usually in the upper side of the leaf. Egg spots are oval and hard to distinguish from feeding spots. The larvae of Liriomyza trifolii are [...] tropical and subtropical areas this can lead to burning in fruit such as tomato and melon. Loss of leaves also reduces yield. In full-grown plants of fruiting

Pomegranate bacterial blight

Disease cycle Infected cuttings are the main source of inoculum and wind splashed rains plays important role is spread of the disease. Intermittent rainfall [...] cloudy weather favours the disease development and further spread. Management Spray Veni GoKlean at the rate of 1.25 to 1.5 ml per litre of water at 10 to 12 [...] Relative humidity above 50% and temperature between 25 - 30 0 C, over-use of nitrogen fertilizer, micronutrient deficiency and reduced plant health leads

Tea mosquito bug

Nymphs and adults are damaging stages which suck the sap from young leaves, tender stems and buds. The toxic saliva of the insect is injected to the plant [...] is capable of laying about 500 eggs. The eggs are laid in all tender parts of the plant. The freshly hatched nymphs are look like spidery in general appearance [...] appendages. The life cycle is completed in 15 to 20 days in summer and 45 to 60 days in winter. It has several generations per year and in extreme winter

Potato aphid

extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky. Black [...] characteristic of the potato aphid and is particularly visible in the nymphs. Immatures have a light dusting of whitish-grey wax. The aphids instantly [...] from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation

Cotton aphid

including the cucumber mosaic virus. Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s [...] if the infestation occurs early enough in the season, the death of young plants. Retarded growth and defoliation reduce yield. Plant sap is rich in sugars [...] extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky. Black

Tomato leafminer

place in the soil or on the surface of a leaf, in a curled leaf or in a mine. If they leave the mines they build silk cocoons on the leaflets or in the soil [...] ped mines in the leaves. Caterpillars prefer leaves and stems, but they may also occur underneath the crown of the fruit and even inside the fruit itself [...] Life cycle and appearance of Tomato leafminer The female moth of the tomato leaf miner ( Tuta absoluta ) lays about 260 eggs. The eggs of the tomato leaf

Arable crops

Asian citrus psyllid

widely distributed in southern Asia and the disease is responsible for the destruction of several citrus industries in Asia and Africa. In North America, it [...] through most of the southern states and Mexico however the state of Florida is the most affected area by the vectored disease. Damage symptoms The psyllid is [...] young stems and on leaves of all developmental stages. Nymphs feed on young leaves and stems, continuously secreting copious amounts of honeydew and a thread-like

Bugs

five nymphal instars and the adult insect. Several species of especially the families Miridae and Pentatomidae are found as pests in agricultural crops. [...] their body when at rest. The wings overlap each other exposing the scutellum, a prominent triangular region of the thorax between the wing bases. This dis [...] leaves and growing points with their piercing-sucking mouthparts and extracting nutrients from them, resulting in deformations and puncture holes. The most