• Title/Summary/Keyword: Mirid bugs

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Mirid Bugs (Heteroptera: Miridae) on Grapevine: Their Damages and Host Plants (포도에 발생하는 장님노린재(노린재목, 장님노린재과)의 종류, 피해 및 기주식물)

  • 이승환;이관석;고현관
    • Korean journal of applied entomology
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    • v.41 no.1
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    • pp.33-41
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    • 2002
  • The mirid bug damages on grapevine were observed not only on young shoot and leaves (decoloration, deforming, and perforation) but also on fruits (black spot, corky scar, and young fruit shattering). Among 159 fields surveyed throughout the country, 113 fields (71%) were damaged, and the damages were relatively severer in the chief producing districts of grape vine, such as Gimpo, Anseong, Naju, Gimcheon, Buyeo, Daejeon, Yesan than other districts where grapevine yards were not concentrated. The severest shoot damages were observed in two grape vine yards of Naju (85%) and Gimpo (65%) in 1999. Three species of virid bugs were recognized on grape vine tree, Apoygus spinolae (Meyer-Dur), Apolygus lucorum (Meyer-Dur), and Orthotylus (Melanotrichus) flavosparsus(Sahlberg). Among them, A. spinolae was dominant species in the number of specimens collected. A. spinolae were collected on 10 host plants including Vitis vinifera L., Prunus armeniaca var. ansu Max., and prunus serrulata var. spontanea(Max.) Wils. and etc., and A. lucorum were collected on 10 species of plants, including Artemisia iwayomogi Kitamura, Artemisia princeps var. orientalis(Pampan) Hara and etc. Both A. spinolae and A. lucorum distributed widely in Korean grapevine yards.

Evaluating Pesticides for Controlling Apolygus spinolae and A. lucorum Mirid Bug Population Patterns in Jujube Orchards in Boeun, Chungbuk (충북 보은지역 대추나무의 장님노린재 발생 특성 및 활용 가능한 살충제 선발)

  • Lee, Seongkyun;Kang, Hyo-Jung;Lee, Kyeong Hee;Oh, Ha Kyung;Park, Heesoon;Shin, Hyunman
    • Korean journal of applied entomology
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    • v.58 no.3
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    • pp.197-202
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    • 2019
  • Jujube tree farms need effective methods of pest control to reduce damage caused by mirid bugs. In this study, we measured the density of mirid bug populations in jujube trees and tested the efficacy of various insecticides. We observed seasonal density patterns, where nymphs were observed from early May to the middle of July; and adults were observed from the end of May to the middle or end of July. Furthermore, we measured the density of two types of mirid bug species, Apolygus spinolae and A. lucorum. Among 45 damaged jujube trees, the dominant species of mirid bugs was A. spinolae (89%). We tested 7 types of insecticides to control mirid bug populations, including pyrifluquinazon, deltamethrin, diazinon, dinotefuran, etofenprox, fenitrothion, and bifenthrin, showing over 80% efficacy. Thus, in this study, we showed that using insecticides was effective for controlling mirid bug populations on jujube trees.