The holes created by the larvae secret juicy excreta. The insect affects the guava plant by first laying a shiny, white, oval-shaped eggs on the calyx of flowers and fruits. The  Eggs hatch in around  8 to 10 days. As the Infestation progresses, food and water transportation is tempered, and normal plant growth is also arrested and fruit formation is greatly reduced. One of the recently identified and most damaging guava pest is the stem borer. • Lack of crop diversity • Absence of crop rotation so that the pest becomes endemic (constantly present). Plot No. The larvae produced usually take 4 to 5 days in the parasitic phase before turning into a maggot. Mealy bug: Ferrisia virgata, Maconellicoccus hirsutus (Pseudococcidae: Hemiptera) Distribution and status: All over India and other grapevine growing countries. Leaves of infested guava plants are covered by a sticky substance. http://eagri.org/eagri50/ENTO331/lecture19/guava.html retrieve on 22/05/2020, https://www.researchgate.net/publication/283210290_STORAGE_INSECT_PESTS_OF_GUAVA_PSIDIUM_GUAJAVA_LINN, https://www.researchgate.net/publication/268379548_Occurrence_of_Insect_Pests_on_Guava_Psidium_guajava_Tree, Cercospora Leaf Spot Of Guava: Cause, Symptoms, And Management, Algal Leaf Spot Of Guava: Symptoms And Management, Anthracnose Disease Of Guava: Causal Organism, Symptoms, And Treatment, Leaves of the plant may be covered in a coarse stippling, Early application of reflective muldes during growing season, Guava should not be planted near the onion and some other plants such as cereals and garlic, Timely pruning is required to allow air to get access to the dense canopy, Proper and timely application of preventive measures, Nematodes are mostly found around sandy soil, Nematodes are common host of most commercial and food crops, Appearance of small galls that reach up to 3.3cm in diameter, Plant may be distorted and underdeveloped, Plant leaves and fruits turn yellow and as the impact worsen, the plant later wilt, Apply green manure to reduce the soil pores, If the roots of guava plant show present of nematodes, replace the soil around the root with a moist soil that is heated for about 140F, Use non-fumigans and fumigans to destroy nematodes, Gather all the affected plants and burn them, Apply timely preventive measurs to expose young pupae and destroy them, Early Harvesting  of fruits when they are slightly hard and greenish, Timely application of preventive measures such as horicultural soil, Gather all afffected plants and burn them, Use a preventive measure such as  light trap 1/ha to monitor the activity of adult parasites, Spraying of malathion 50 EC at 3 L in 1500 – 2000 L water per ha, two times, one at flower formation and next at fruit set, Detoriated fruits caused by the sucking of  mealy bug adults and nymphs, Avoid use of toxic insecticides that can deter mealy bug natural enemies such as Australian lady bird beetle, Collect all damaged leaves and affected parts and burn them, Plant other hosts such as Abutilon and Euphorbia around the guava plant to reduce the population of pests on your guava plant, Use preventive measure such as yellow sticky traps at 15/ha to attract and destroy the adults pest, Introduce Chrysoperla carnea predators at 10000/ha into your guava plantation to destroy  all life stages, Introduce pest natural enemies  such as Encarsia and Chilocorus nigrita  into the guava plantation, Use insceticides like Fish oil rosin soap (FORS) 25g/L,, NSKE 5% or neem oil 0.03% 1ml/l  in 1500 -2000 L per ha., two to three times according to the severity of incidence, Do not use synthetic pyrethroids and extending crop growth, Introduce natural enemies of  scarlet mite. Detailed life history and effective control measures for most of these pests still remain to be worked out. The Female insect usually inserts 32 eggs into guava plant epidermis of the tender shoot, the axis of an inflorescence, and tender fruits. Appearance brownish-black necrotic patches on shoots and resin also appear from feeding punctures formation of blisters and scales on affected fruits. Soapy Spray to Get Rid of Mealybugs on Plants. The eggs (15 to 25 eggs ) are laid in clusters underneath a loose bark of the trees. It is processed using enzymes and natural alkaloids procured from our experienced vendors. STORAGE INSECT PESTS OF GUAVA PSIDIUM GUAJAVA LINN. Garden Pests: Mealybug Nymphs. Published 2019 Feb 22. doi:10.1016/j.heliyon.2019.e01252, Sathe, Tukaram. Mealybug is one of the most common pests in citrus, curry leaf plant, cotton, banana, coffee, cocoa, inger, mango etc. The Egg usually lasts for about  5 to 8 days. They are one of 150 species of Psidium, of which most are fruit bearing.Hardy the guava may be, but they do have their share of guava pest problems, most of which can be dealt with using natural pest control methods for guava trees. Systematic Position: Phylum – Arthropoda Class – Insecta ADVERTISEMENTS: Order – Hemiptera Family — Pseudococcidae ADVERTISEMENTS: Genus – Ferrisia Species – virgata Distribution: It is widely distributed pest of tropical and subtropical countries. 22-25 days punctures formation of blisters and scales on plant leaves susceptible to the pest inside! Well be seen using a hand lens 7 – 13 days,,... Browner in color, cylindrical in shape, and about 5-8 mm in length Get to. To provide useful information about guava botany alongside its health benefits, nutrition facts diseases. Around 18-47 days and post-oviposition periods is 6-7, 8.-9and 1-2 days respectively... 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