The natural control effect of egg parasitoids on litchi stink bug Tessaratoma papillosa (Heteroptera: Pentatomidae) in litchi orchard

Liu YuFang; Zhang GuRen; Gu DeXiang; Zhang WenQing

Entomologia Sinica 7(4): 322-328

2000


DOI: 10.1111/j.1744-7917.2000.tb00230.x
Accession: 003591279

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Abstract
The control effect of egg parasitoids on Tessaratoma papillosa was studied in an IPM and a chemically managed litchi orchard in Guangzhou, China, in 1996. Most eggs (86%) were laid between early April and early June. Two egg parasitoids, Anastatus japonicus and Ooencyrtus phongi, were obtained in the IPM orchard, destroying 30.6-47% of host eggs in the middle and late stages of T. papillosa oviposition, while only A. japonicus was present in the chemically treated one, where a maximum of 2.8% of eggs were parasitized.

The natural control effect of egg parasitoids on litchi stink bug Tessaratoma papillosa (Heteroptera: Pentatomidae) in litchi orchard