(Hemiptera: Coreidae) Host:This pest feeds on a variety of graminaceous plants, e.g. rice, wheat, sugarcane, maize, millets, bajra etc. Flowering rice is the. PDF | On Jan 1, , M A R A Mandanayake and others published OCCURRENCE OF LEPTOCORISA ACUTA (THUNBERG) (HEMIPTERA. Leptocorisa acuta (Thunberg). Taxonomic position. Insecta: Hemiptera: Heteroptera: Alydidae. Common names. Rice earhead bug, paddy bug. Habitat / Crop(s).
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The Leptocorisinae Heteroptera-Alydidae of the world. Resistant Crop Varieties Certain coarse-grain-yielding, bearded varieties such as scuta ‘Soma’ and ‘Mundagakutty’ in India are resistant to attack. Biology of the rice Gundhi bug Leptocorisa acuta.
rice seed bug (Leptocorisa acuta)
Application of granules of carbofuran or diazinon has also been found effective. Role of Leptocorisa acuta Thun.
Damage Back to Top Rice bugs feed by inserting their needlelike mouthparts into new leaves, tender stems and developing grains. Other reported hosts include mango Magnifera indica L. Go to distribution map The rice bug Leptocorisa and its control in West Malaysia.
Leptocorisa acuta, Rice earhead bug, Paddy stink bug
Tropical Pest Management, 35 2: Some Leptocorisa species are destructive and cause significant damage to rice throughout their range Cendana and Calora, Two new species of Leptocorisa from Indonesia Het: Asian rice bug; paddy bug; paddy fly; rice bug; rice sappers Spanish: After days, adults of both sexes are fully mature. The use of late-maturing cultivars can reduce feeding damage from the rice bug, as their activity corresponds with warm weather and the flowering stage of host grasses.
The species occurs throughout Asia up to New Guinea and northern Australia. Journal of the American Science Association, actua When they are freshly deposited, eggs are a cream-yellow color, turning to a reddish-brown after approximately one week.
Hill, ; EPPO, Broad-headed bugs belong to the family Alydidae, a well-known but relatively small family of plant-feeding true bugs. The most economically important leptoorisa is caused when the adults and nymphs feed on the developing grains.
Natural mortality of leaffooted bug Hemiptera: Laboratory and field studies of natural attractant of the rice pest, Leptocorisa acuta Hemiptera, Coreidae. Pentatomidae and Leptocorisa acuta Thunberg Heteroptera: They are a light yellow-green to yellow-brown color Figure 1.
The use of scented aquatic plants such Ceratophyllum demersum, C. There are five wingless nymphal instars with a total nymphal period of days.
Resistance to benzene hexachloride of rice bug, Leptocorisa varicornis F.
Aligarh Muslim Univ Ind. International Rice Research Newsletter, 6 1 These bugs are usually seen feeding on the foliage and acuya of leguminous and graminaceous crops.
The fourth antennal segment is curved and longer than the third segment Corbett Rice bugs feed by inserting their needlelike mouthparts into new leaves, tender stems and developing grains. Tropical Pest Management Like all true bugs, they have piercing-sucking mouthparts that puncture the substrate they are feeding on, which can damage plant tissue and reduce grain yields.