Abstract
The abundance, incidence pattern and species composition of green leafhopper (GLH) in seedbed, rice field and light trap were studied in three rice growing seasons in Bangladesh during 2004 and 2005. Five species of GLH were recorded. These were Nephotettix virescens, N. nigropictus, N. malayanus, N. parvus and N. cincticeps. The first two species were most important as their presence were higher in number almost all the year round. More GLH was observed in 2005 compared to 2004 in all habitats. The GLH population was higher in seedbed than transplanted rice. Seedbed of both the year prevailed highest number of GLH than transplanted rice. Among 5 species of GLH N. nigropictus was found higher in summer and winter rice seedbed during 2005. Nephotettix virescens was dominant in summer rice seed bed in both the year and transplanted monsoon rice field in the year 2005. The number of other 3 species of GLH was comparatively low in all the season and habitats. Temperature and rainfall influenced the population of GLH. The fluctuation of GLH population in the rice field did not always represent the fluctuation of light trap catches. The abundance of 5 GLH species in the order of N. virescens> N. nigropictus> N. malayanus> N. cincticeps > N. parvus.
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