OR
| Symptoms of damage |
| Young trees may succumb to the attack. Caterpillars bore into the trunk or junction of branches Caterpillars remain hidden in the tunnel during day time and come out at night, feed on the bark. Presence of gallery made out of silk and frass |
| Symptoms of damage |
| Terminal shoots show tunnel from top to down wards. Stunting of seedlings with terminal bunchy appearance. |
| Symptoms of damage |
| Nymphs and adults suck the sap of inflorescence Withering Shedding of flower buds and flowers Presence of honey dew secrecation on lower leaves and development of sooty mould. Clicking sound - movement of jassids amidst leaves. Hoppers provide shelter in the cracks and crevices of the barks on the tree | |
| Symptoms of damage |
| Maggots attack the inflorescence stalk, flowers and small developing fruits Maggot bore into the bud and feeds on inner content Buds fail to open and drop down |
| Symptoms of damage |
| Reddish brown aphids suck the sap from leaves, petiole and fruits Shedding of flowers. |
| Symptoms of damage |
| Webbing of flowers and bore holes in inflorescence stalk |
| Symptoms of damage |
| Webbed inflorescence and subsequent drying of inflorescence. |
| Symptoms of damage |
| Malformed leaves Buds giving bunchy top appearance Leading to bud necrosis. Normally occurs during summer. |
| Symptoms of damage |
| Grub makes zigzag tunnels in pulp Eats unripe tissue and bore into cotyledons Fruit dropping at marble stage oviposition injuries on marble sized fruits. Tunnelled cotyledons in mature fruit by grubs. |
| Symptoms of damage |
| Presence of galls on leaves. |
| Symptoms of damage |
| Twisting, rolling and drying of terminal leaves. |
| Symptoms of damage |
| Defoliation. |
| Symptoms of damage |
| Both nymphs and adults desap the leaves cause yellowing. |
| Symptoms of damage |
| Drying of leaves and inflorescence Presence of pinkish nymphs and adult mealy bugs on fruit and fruit stalk. |
| Symptoms of damage |
| Webbed of leaves with ants forming nests. |
- Grub tunnels in the sapwood on the trunk or branches
- Grub bore into the sap wood and macking irregular tunnels.
- Feeding the vascular tissues
- interruption of nutrient and water transport on the tissue
- Drying of terminal shoot in early stage
- Frass comes out from several points and some times sap oozes out of the holes
- Wilting of branches or entire tree
| Identification of pest |
| Grub - Linear, fleshy, apodous Adult - Grayish beetle with two pink dots and lateral spine | |
| Identification of pest |
| Larva - Stout and dirty brown in colour Adult Stout yellowish –brown moth with brown wavy markings on the forewings Hind wings is white colour. Males are smaller than the females. |
| Identification of pest |
| Larva - Caterpillar is dark pink with dark brown prothroacic shield. Adult - Adult is greyish moth with grey wings having wavy lines. |
| Identification of pest |
| Larva - A maggot light yellowish colour and moults three times. Adult i) a Dasineura amaramanjarae : Orange red ii) b. Erosomyia indica : Yellowish fly iii) c. Procystiphora mangiferae : Light orange fly |
| Identification of pest |
| Larva - Greenish yellow with light brown head. Adult - Moth has purplish pink or light orange wings. |
| Identification of pest |
| a. Thalassodes quadraria : Grey greenish looper. Adult: green with angular wings b. Chloroclystis sp: Brownish looper . Adult: Greyish moth with wavy lines |
| Identification of pest |
| Grub - A full grown grub is legless, fleshly and yellow with dark head. Dark weevils after emergence remain inactive, hidden in the cracks and crevices on the trunk Adult - Adult is dark brown with a short snout. |
| Identification of pest |
| Larva - Pale greenish with brown head and prothroacic shield. Adult - Brown moth with wavy lines on fore wings. |
| Identification of pest |
| Maggots – are yellowish Adult - Tiny mosquito like. |
| Identification of pest |
| Grub : yellowish Adult : Reddish brown weevil with long snout |
| Identification of pest |
| Euproctis fraterna Larva - yellowish with brown head, yellowish stripe with central red line black hairs dorsally on first three segments Adult - yellowish moth with black spots. | Prothesia scintillans Larva - Reddish with red head surrounded by whitish hairs Adult - yellowish moth with transverse line on the fore wings. |
| Identification of pest |
| Adult - White, elongate, hard scale |
| Identification of pest |
| Pinkish nymph |
| Identification of pest |
| Reddish ant, queen – olive green in colour | |
- Grub - Linear, fleshy, apodous
- Adult - Grayish beetle with two pink dots and lateral spine
- Remove and destroy dead and severely affected branches of the tree
- Remove alternate host, silk cotton and other hosts
- Grow tolerant mango varieties viz., Neelam, Humayudin.
- Swab Coal tar + Kerosene @ 1:2 or Carbaryl 50 WP 20 g / l (basal portion of the trunk - 3 feet height) after scraping the loose bark to prevent oviposition by adult beetles.
- If infestations are severe then apply the copper oxychloride paste on the trunk of the tree.
- One celphos tablet (3 g aluminum phosphide) per hole
- Apply carbofuran 3G 5 g per hole and plug with mud.
- Remove and destroy dead and severely affected branches of the tree
- Remove alternate host, silk cotton and other hosts
- Grow tolerant mango varieties viz., Neelam, Humayudin.
- If infestations are severe then apply the copper oxychloride paste on the trunk of the tree.
- One celphos tablet (3 g aluminum phosphide) per hole
- Apply carbofuran 3G 5 g per hole and plug with mud.
Bark borer , Indarbela tetraonis
- Young trees may succumb to the attack.
- Caterpillars bore into the trunk or junction of branches
- Caterpillars remain hidden in the tunnel during day time and come out at night, feed on the bark.
- Presence of gallery made out of silk and frass
- Larva - Stout and dirty brown in colour
- Adult
- Stout yellowish –brown moth with brown wavy markings on the forewings
- Hind wings is white colour.
- Males are smaller than the females.
Shoot borer , Clumetia transversa
- Terminal shoots show tunnel from top to down wards.
- Stunting of seedlings with terminal bunchy appearance.
Top
- Larva - Caterpillar is dark pink with dark brown prothroacic shield.
- Adult - Adult is greyish moth with grey wings having wavy lines.
- Field sanitation
- Collect and destroy the infested plant parts
- Summer ploughing to expose the pupae
- Spray carbaryl 50WP 0.1%.
INFLORESCENCE AND FRUIT FEEDERS
Mango hoppers, Idioscopus niveoparsus , I. clypealis, Amirtodus atkinsoni
- Nymphs and adults suck the sap of inflorescence
- Withering
- Shedding of flower buds and flowers
- Presence of honey dew secrecation on lower leaves and development of sooty mould.
- Clicking sound - movement of jassids amidst leaves.
- Hoppers provide shelter in the cracks and crevices of the barks on the tree
- Nymph - Nymphs pale yellow, very active and hide in lower shoots or in cracks in the barks.
- The insect appears in February when mango trees come to flowering.
- Adult a. Idioscopus niveoparsus ; Adults: dark with wavy lines on wings and three spots on scutellum. b. I. clypealis ; Adults: small, light brown with dark spots on the vertex and two spots on scutellum. c. Amirtodus atkinsoni ; Adults: large, light brown with two spots on scutellum.
- a. Idioscopus niveoparsus ; Adults: dark with wavy lines on wings and three spots on scutellum.
- b. I. clypealis ; Adults: small, light brown with dark spots on the vertex and two spots on scutellum.
- c. Amirtodus atkinsoni ; Adults: large, light brown with two spots on scutellum.
- Avoid close planting, as the incidence very severe in overcrowded orchards.
- Orchards must be kept clean by ploughing and removal of weeds.
- Spray two rounds of acephate 75 SP@ 1g/lit or phosalone 35 EC@ 1.5 ml/li
- First spray at the time of panicle emergence , second spray two weeks after first spray.
- Wettable sulphur @ 2 g/lit may be sprayed after spraying carbaryl to avoid mite resurgence.
- The mixture toxaphene with sulphur (1:1) have been reported to be effective against pest.
- Neem oil 5 ml/lit of water can be mixed with any insecticides
- Spray 3 per cent neem oil or neem seed kernel powder extract 5 per cent
Inflorescence midge
- Maggots attack the inflorescence stalk, flowers and small developing fruits
- Maggot bore into the bud and feeds on inner content
- Buds fail to open and drop down
- Larva - A maggot light yellowish colour and moults three times.
- Adult i) a Dasineura amaramanjarae : Orange red ii) b. Erosomyia indica : Yellowish fly iii) c. Procystiphora mangiferae : Light orange fly
- Remove and destroy affected flowers and tender shoots
- Spray dimethoate 30 EC @ 0.06%, methyl demeton 25 EC @0.05%
Aphid, Toxoptera odinae
- Reddish brown aphids suck the sap from leaves, petiole and fruits
- Shedding of flowers.
- Collect and destroy the damaged plant parts along with nymphs and adults
- Dimethoate 30 EC or methyldemeton 25 EC 1 ml/l
- Release coccinelid predators
Flower webber, Eublemma versicolor
- Webbing of flowers and bore holes in inflorescence stalk
- Larva - Greenish yellow with light brown head.
- Adult - Moth has purplish pink or light orange wings.
- Spray phosalone 35 EC 2ml/lit for effective control
Loopers, Thalassodes quadraria, Chloroclystis sp
- Webbed inflorescence and subsequent drying of inflorescence.
a. Thalassodes quadraria :
- Grey greenish looper.
- Adult: green with angular wings
b. Chloroclystis sp:
- Brownish looper .
- Adult: Greyish moth with wavy lines
- Collect and destroy the damaged leaves
- Use light trap 1/ha to attract and kill the adults
- Spray malathion 50 EC 2ml/lit
Bud mite , Aceria mangiferae
- Malformed leaves
- Buds giving bunchy top appearance
- Leading to bud necrosis. Normally occurs during summer.
- Dicofol 18.5 EC 2.5ml/lit or wettable sulphur 50WP 2 g /lit
Fruit fly , Bactrocera (Dacus) dorsalis
- Maggot bore into semi-ripen fruits with decayed spots and dropping of fruits.
- Oozing of fluid
- Brownish rotten patches on fruits.
- Larva - Yellowish apodous maggots.
- Adult - Light brown with transparent wing
- Collect fallen infested fruits and dispose them by dumping in a pit
- Provide summer ploughing to expose the pupa
- Monitor the activity of flies with methyl eugenol sex lure traps.
- Bait spray - combing any one of the insecticides and molasses or jaggery 10 g/l, fenthion 100EC 1ml/l, malathion 50EC 2 ml/l, dimethoate 30 EC 1 ml/l, carbaryl 50 WP 4 g/l. two rounds at 2 weeks interval before ripening of fruits. Biological control Field release of natural enemies Opius compensates and Spalangia philippines
- fenthion 100EC 1ml/l,
- malathion 50EC 2 ml/l,
- dimethoate 30 EC 1 ml/l,
- carbaryl 50 WP 4 g/l. two rounds at 2 weeks interval before ripening of fruits.
- Field release of natural enemies Opius compensates and Spalangia philippines
Mango nut weevil , Sternochaetus mangiferae
- Grub makes zigzag tunnels in pulp
- Eats unripe tissue and bore into cotyledons
- Fruit dropping at marble stage
- oviposition injuries on marble sized fruits.
- Tunnelled cotyledons in mature fruit by grubs.
- Grub - A full grown grub is legless, fleshly and yellow with dark head.
- Dark weevils after emergence remain inactive, hidden in the cracks and crevices on the trunk
- Adult - Adult is dark brown with a short snout.
- Collect and destroy the fallen fruits
- Spray application of fenthion 100EC 1ml/l; (first at marble stage of the fruit second at 15 days interval).
- During non flowering season direct spray towards the base of the trunk
LEAF FEEDERS Shoot webber: Orthaga exvinacea
- Caterpillar webbing of terminal leaves and scrapes the chlorophyll content
- Drying up plants.
- Larva - Pale greenish with brown head and prothroacic shield.
- Adult - Brown moth with wavy lines on fore wings.
- Remove and destroy the webbed leaves along with larva and pupa
- Spray carbaryl at 50 WP @ 0.1%
- Encourage the activity of predators, carabid beetle Parena lacticincta , reduvid Oecama sp
Leaf gall midges
- Presence of galls on leaves.
- Maggots – are yellowish
- Adult - Tiny mosquito like.
- Spray dimethoate 30 EC or methyldemeton 25 EC @ 2ml/lit.
Leaf twisting weevil , Apoderus tranquebaricus
- Twisting, rolling and drying of terminal leaves.
- Grub : yellowish
- Adult : Reddish brown weevil with long snout
Hairy caterpillars, Euproctis fraterna , Prothesia scintillans
- Euproctis fraterna Larva - yellowish with brown head, yellowish stripe with central red line black hairs dorsally on first three segments Adult - yellowish moth with black spots.
- Larva - yellowish with brown head, yellowish stripe with central red line
- black hairs dorsally on first three segments
- Adult - yellowish moth with black spots.
- Larva - Reddish with red head surrounded by whitish hairs
- Adult - yellowish moth with transverse line on the fore wings.
- Collect and destroy egg masses and caterpillars
- Use burning torch to kill the congregating larvae
- Use light trap to attract and kill the adults
- Spray chlorpyriphos 20 EC or quinalphos 25 EC 2ml/lit
Scales
- Both nymphs and adults desap the leaves cause yellowing.
- Adult - White, elongate, hard scale
- Pruning of infested branches and burning
- Dimethoate or phosphomidon are effective
Gaint mealybug , Drosicha mangiferae
- Drying of leaves and inflorescence
- Presence of pinkish nymphs and adult mealy bugs on fruit and fruit stalk.
- Remove weeds like Clerodendrum inflortunatum and grasses by ploughing during June-July.
- Band the trees with 20 cm wide alkalthene of polythene (400 gauge) in the middle of December
(50 cm above the ground level and just below the junction of branching).
- Stem with jute thread and apply a little mud of fruit tree grease on the lower edge of the band.
- If necessary apply methyl parathion1ml/lit, chlopyriphos 20EC 2.5 ml/l
- Release of Australian ladybird beetle, Cryptolaemus montrouzieri @ 10/tree
Red ant , Oecophylla smaradina
- Webbed of leaves with ants forming nests.
- Reddish ant, queen – olive green in colour
| |
| Maggots of fruit fly dropping out of mango fruit | Mango fruit fly |
| | | |
| Symtom | Grub | Grub on mango | Adult on Mango |
| | |
| Tip dry | Inflorescence entangled | Nest of dried leaves |