CHINESE
Zoological Systematics

Zoological Systematics >

2024 , Vol. 49 >Issue 3: 258 - 266

DOI: https://doi.org/10.11865/zs.2024301

Original Article

Sclerodermus alternatusi (Hymenoptera: Bethylidae), a new species from China, parasitizing Monochamus alternatus (Coleoptera: Cerambycidae)

  • Zhongqi Yang ,
  • Xiaoyi Wang ,
  • Zhaoyao Duan ,
  • Yanlong Zhang ,
  • Yi’nan Zhang ,
  • Liangming Cao ,
  • Ke Wei
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  • 1Key Lab of Forest Protection, China State Forestry Administration; Research Institute of Forest Ecology, Environment and Natural Protection, Chinese Academy of Forestry, Beijing 100091, China  2Research Institute of Biological Control, Beijing Vocational College of Agriculture, Beijing 102442, China  3Research Institute of Forest Protection, Yunnan Academy of Forestry and Grassland, Kunming 650201, China

Online published: 2024-07-22

Supported by

The study is part of the Research Program “The Key Techniques for Control Pine Wood Nematod”. We thank “Fundamental Research Funds of Chinese Academy of Forestry (CAFBB2021ZG001)” for supporting the present study. The research is also supported by the National Natural Science Foundation of China (32370494): Taxonomic study of braconids parasitizing important cerambycids and screening of excellent natural enemies.

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Abstract

A new species, Sclerodermus alternatusi Yang, sp. nov. (Hymenoptera: Bethylidae), is described and illustrated. Its cerambycid host, Monochamus alternatus Hope, a severe wood borer attacking many pine trees (Pinus spp.), is also a vector of pine wood nematode, Bursaphelencus xylophilus, which cause severe damages to pine forests in China. The new species is a gregarious ectoparasitoid of junior larva of M. alternatus. The number of adult wasps reared from a single host larva ranges from 6 to 45. The ratio of female to male is 20 : 1. The new parasitoid species has a high potential in using as a biocontrol agent for the wood borer. Diagnosis of the new species with comparisons to its related species, S. pupariae Yang & Yao and a key to known species of Sclerodermus from China is provided.

Key words： Ectoparasitoid, larval parasitoid, taxonomy, biological control

Cite this article

Zhongqi Yang , Xiaoyi Wang , Zhaoyao Duan , Yanlong Zhang , Yi’nan Zhang , Liangming Cao , Ke Wei . Sclerodermus alternatusi (Hymenoptera: Bethylidae), a new species from China, parasitizing Monochamus alternatus (Coleoptera: Cerambycidae)[J]. Zoological Systematics, 2024 , 49(3) : 258 -266 . DOI: 10.11865/zs.2024301

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