Behavior and mortality of the southern stink bugNezara viridula in Hawaii |
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Authors: | Toshiyuki Nishida |
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Institution: | (1) College of Tropical Agriculture, University of Hawaii, Honolulu, Hawaii, USA |
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Abstract: | Summary This paper is concerned with some aspects of the ecology of the southern green stink bug,Nezara viridula, in Hawaii. Dispersal studies on adults showed an asymetrical dispersal pattern. The rate of plant to plant to movement by
the adults was 3.3–6.7 feet per day. Mortality studies showed that egg predation by ants,Pheidole megancephala, was as high as 80–90 per cent. Egg parasitism byTelenomus basalis was highest during February, 1965, and adult parasitism byTrichopoda pennipes was highest during July, 1964, to January of the following year. The population ofN. viridula declined during May, 1964, to May, 1965. This decline occurred simultaneously with the decline in the number of eggs produced
per female. It has been speculated that this reduction in egg production was caused by parasitism byT. pennipes.
Published with the approval of the Director of the Hawaii Agricultural Experiment Station as Technical Paper No. 816.
It is with great pleasure that I acknowledge with thanks the help that I received in various ways from the following: Dr.
WallaceC. Mitchell, Dr. MervinKamran., Mr HarryKaya and Mr. HitoshiKamasaki. |
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