Seasonal abundance and reproductive season of Chauliops fallax (Heteroptera: Malcidae) on kudzu Pueraria lobata

Y. Suzaki, Ushio Koizumi, Takahisa Miyatake

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3 Citations (Scopus)


We investigated the seasonal abundance and seasonal dynamics of reproduction in the stalk-eyed bug Chauliops fallax Scott, which is described as a minor pest of bean plants such as soybean and a minor cause of pecky rice. We counted the number of adult males and females, mating pairs, and nymphs of C. fallax on kudzu plants, Pueraria lobata (Willd.), in the southern part of Okayama City, Japan, from 2005 to 2007 and in 2009. Two peaks in abundance for mating pairs were found in late May and August. Both male and female solitary adults appeared from late April, and two peaks of solitary adults were found in May and September. Two clearly separate peaks of nymphs were found in late June and late August. Therefore, it seems that C. fallax produces two generations a year in the southern Okayama area. These data may provide essential information for pest control, and therefore, we discuss them from an applied entomological standpoint to predict invasions by C. fallax into agriculture fields from weeds that grow around and/or in fields.

Original languageEnglish
Pages (from-to)429-433
Number of pages5
JournalApplied Entomology and Zoology
Issue number3
Publication statusPublished - Aug 2011


  • Bean bug
  • Life history
  • Population dynamics
  • Seasonal aspect
  • Soy bean pest

ASJC Scopus subject areas

  • Insect Science


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