Therophilus festivus (Muesebeck, 1953)——a Larval Parasitoid Wasp of Oriental Fruit Moth: Morphology, Biological Characteristics and Biological Control Potential

doi:10.16409/j.cnki.2095-039x.2019.02.002

Abstract

Abstract: A parasitoid wasp was found in larvae of oriental fruit moth (OFM), Gropholitha molesta, and identified as Therophilus festivus (Muesebeck, 1953). The wasp belongs to Agathidinae, Braconidae, Hymenoptera. Morphological characteristics of the wasp were observed and described, and variations of its scientific name were introduced in this paper. Further studies showed that the parasitic rate was 27.51%, 43.08%, 38.37%, and 23.91% in 2014-2017, respectively. When the adult wasps were fed with purified water, 10% sugar water, 5% honey water, 10% honey water, 20% honey water, they lived 3.4 d, 6.6 d, 5.67 d, 5.67 d, and 6.75 d, respectively. At different temperatures 15, 20, 25, and 30℃, the adults lived 19 d, 12 d, 6.5 d and 6.83 d, respectively. The wasp shows high field parasitism rate in larvae of OFM and thus has a potential as biological control agent for OFM.

Key words: oriental fruit moth (OFM), Therophilus festivus, morphological description, biological characteristics, biological control potential

CLC Number:

S476.3

RAN Hongfan, MA Aihong, LIU Wenxu, LU Ziyun, LI Jiancheng. Therophilus festivus (Muesebeck, 1953)——a Larval Parasitoid Wasp of Oriental Fruit Moth: Morphology, Biological Characteristics and Biological Control Potential[J]. journal1, 2019, 35(2): 173-179.

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