(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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During the heat of midday, they leave the rice crop in search of wild grassy areas Pathack and Khan When the bugs feed on soft or hard dough endosperm, they inject enzymes to predigest the carbohydrate.

An adult rice bug, Leptocorisa acuta Thunburg. Some Leptocorisa species are destructive and cause significant damage to rice throughout their range Cendana and Calora, The bionomics and control of Leptocorisa acuta Thunb. This is because the bug leptocirisa a wild host to feed and reproduce upon before moving into the rice field in early spring.

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Leptocorisa acuta (rice seed bug)

Department of Agriculture S. Their feeding activity can result in partially filled or empty grains. Intrinsic rate of natural increase of gundhi bug, Leptocorisa varicornis F. They are diurnal but most active during morning and leptocorisz when they look for the flowering crops.

Hemiptera and its insecticidal control. Distribution Back to Top Leptocorisa acuta has not been found in the U.

rice seed bug (Leptocorisa acuta)

This is to ensure that we give you the best experience possible. Resistance to benzene hexachloride of rice bug, Leptocorisa varicornis F. The empty grains turn whitish and show a puncture mark.

Rice bug control relies mainly on chemical insecticides and a number are available. Cookies on Plantwise Knowledge Bank Like most websites we use cookies.

These bugs have globular, protruding leptocorjsa in addition to small ocelli simple eyeswhich are difficult to see. Host Plants Back to Top Leptocorisa acuta feeds primarily on graminaceous plants such as rice, wheat, and sugarcane Hill Catling, ; EPPO, Growth Stages Top of page Flowering stage, Fruiting stage.

Leptocorisa acuta, Rice earhead bug, Paddy stink bug

Flowering rice is the preferred host. Excessive feeding can cause yellow spots on the leaves. Leptocorisa acuta has not been found in the U.


Cultural Control In India, practices such as early sowing of early- and late-maturing rice varieties help to reduce pest damage Srivastava and Saxena, It is believed that after the rice is harvested, the bugs overwinter in wild grasses or other grass crops. Leptocorisa acuta Thunberg Insecta: Current Science, 45 Taxonomic Tree Top of page Domain: Asian rice bug; paddy bug; paddy fly; rice bug; rice sappers Spanish: The bionomics and control of Leptocorisa acuta Thunb with leptocprisa on other Leptocorisa spp.

Staggered planting should be avoided. They are a light yellow-green to yellow-brown color Figure 1. Title Adult genitalia – SEM.

Occurrence of Leptocorisa acuta Fabr. Nymphs are greenish, slender and similar to the adults in appearance and sucking habit.