Effect of delayed and multiple mating on the reproduction of Maruca vitrata
Author of the article:LU PengFei1,3**QIAO HaiLi2ZONG ShiXiang1***LEI ChaoLiang3
Author's Workplace：1. Key Laboratory for Silviculture and Conservation of Ministry of Education, Beijing Forestry University, Beijing100083, China；2. Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing100193, China; 3. College of Plant Science and Technology, Huazhong Agricultural University, Key Laboratory of Insect Resources Utilization and Sustainable
Key Words：Maruca vitrata, reproduction, delayed mating, multiple mating
Abstract：
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The legume pod borer, Maruca vitrata ( Fabricius), is a serious pantropical insect pest of grain legumes. The reproduction of M. vitrata when mating was delayed, or after multiple mating, was investigated. The longevity of both sexes and female fecundity first increased then reduced, but hatching rate did not change much when males and females were prevented from mating for the same period of time. Female longevity, fecundity and hatching rate reduced, but the longevity of males first increased then reduced when females were prevented from mating. The longevity of both sexes and female fecundity first increased then reduced, but hatching rate declined when males were delayed from mating. The mating success rate, the longevity of both sexes and female fecundity all reduced when males mated multiple times. Mating duration was prolonged, and hatching rate did not change much. Males can mate 4 times in their lifespan but females can mate only once.