. Cooperative economic insect report. Beneficial insects; Insect pests. 413 - INSECTS NOT KNOWN TO OCCUR IN THE UNITED STATES RICE PENTATOMID BUG (Scotinophara liirlda (Burm.)) Economic Importance: S^. lurida is a major pest of rice in areas of Japan, China and Ceylon. Damage to rice in Ceylon first became serious in 1940, and since that time periodic outbreaks have occurred in the Southern Province where two crops are grown annually. The bug's feeding causes localized, chlorotic leaf lesions on rice grown in the field. The lesions gradually dry up and frequently result in death of that portio
. Cooperative economic insect report. Beneficial insects; Insect pests. 413 - INSECTS NOT KNOWN TO OCCUR IN THE UNITED STATES RICE PENTATOMID BUG (Scotinophara liirlda (Burm.)) Economic Importance: S^. lurida is a major pest of rice in areas of Japan, China and Ceylon. Damage to rice in Ceylon first became serious in 1940, and since that time periodic outbreaks have occurred in the Southern Province where two crops are grown annually. The bug's feeding causes localized, chlorotic leaf lesions on rice grown in the field. The lesions gradually dry up and frequently result in death of that portion of the leaf between the lesion and the leaf tip, death of the central shoot or death of the entire plant. In the laboratory, it has been shown that feeding near the growing point of seedlings always leads to death of plants without subsequent tillering; however, when feeding takes place more than inches above the growing point, the leaves develop necrotic patches and dry off but the plant tillers and the rest of it grows normally. In Japan, early planted varieties of rice are most heavily infested and densely planted fields are preferred. One adult per rice plant in the spring may be responsible for total loss of the crop. Control has been obtained in China by flooding the plants to depths of 4 to 5 inches every fourth day for a full day; however, submergence for over 16 hours will affect the parasite emergence. Hosts: Recorded on rice and related grasses, wheat, Panicum spp. and wildrice. Also found to feed on corn, foxtail millet, Panicum miliaceum, napiergrass and guineagrass in the laboratory. Eggs of S^. lurida have been observed on many plants, and it is quite likely that adults or nymphs of this species will feed on many plants other than those mentioned above. Distribution: Ceylon, China (southern part), Formosa, Indochina, Japan (Honshu, Shikoku, Kyushu), Loochoo Islands, Malaya, Okinawa and Distribution of Scotinophara lurida (Burm.)) Life History and
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