scholarly journals An Analytical Study on the Injury to Rice Plants by the Rice Stem Borer, Chilo suppressalis WALKER (Lepidoptera : Pyralidae) in Its First Generation

1967 ◽  
Vol 2 (4) ◽  
pp. 173-186
Author(s):  
Akio OTAKE
1979 ◽  
Vol 14 (1) ◽  
pp. 95-100 ◽  
Author(s):  
Sadahiro TATSUKI ◽  
Masaaki KURIHARA ◽  
Kyoichi ICHIUMI ◽  
Junichi FUKAMI ◽  
Yasuo FUJIMOTO ◽  
...  

1979 ◽  
Vol 69 (2) ◽  
pp. 331-335 ◽  
Author(s):  
H. Kanno

AbstractThe effects of age on calling behaviour of virgin females of Chilo suppressalis (Wlk.) were investigated. The results show clearly that patterns of calling varied with age. The frequency of calling was high in females up to 4 or 5 days after emergence and thereafter decreased rapidly. The number of calling bouts increased slightly in older moths. Bout length became longer with increasing age. The total duration of calling, therefore, increased gradually with age. On average, calling began 3 h 49 min after light-off on day 1, but thereafter, the time of start became earlier each day by 10 to 40 min per day. It seems that the change of calling patterns with age is correlated with increased reproductive maturity of females.


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