A New Species of Hyssopus (Hymenoptera: Hymenopteridae) Parasitizing the Seed-eating and Defoliator Moths on Acer truncatum

doi:10.16409/j.cnki.2095-039x.2024.03.019

Abstract

Abstract: The present paper reported a new species of parasitic wasp, Hyssopus truncatumi Yang, Liu et Cao (Hymenoptera: Eulophidae), found in Inner Mongolia and Beijing. The eulophid wasp effectively parasitizes the larval stages of two major pests: Bagdadia yanglingensis (Lepidoptera: Gelechiidae), a seed-eating pest, and Caloptilia dentata (Lepidoptera: Gracilariidae), a defoliator, both of which infest Acer truncatum (Aceraceae), especially achieving a parasitism rate of 34.4% in B. yanglingensis larvae. Given that B. yanglingensis poses a severe threat to seeds of A. truncatum, with a seed damage rate up to 40%, and C. dentata has emerged as a prominent defoliating pest that significantly impacts the health of A. truncatum, the employment of Hyssopus truncatumi sp. nov. For holds significant value in biological control of these two detrimental pests possess immense potential and valuable prospects for practical application. This article provides a detailed morphological description of this new species, along with colored photos of the parasitic wasp. Meanwhile, a comparative analysis of the distinguishing features is conducted to distinguish this new species from two close related species within the genus Hyssopus.

Key words: Eulophidae, Hyssopus, Acer truncatum, Bagdadia yanglingensis, Caloptilia dentata

CLC Number:

S476.3

LIU Huihui, CAO Liangming, WANG Xiaoyi, LI Enjie, XIN Xuebing, YIN Can, BAO Qingchun, YANG Zhongqi. A New Species of Hyssopus (Hymenoptera: Hymenopteridae) Parasitizing the Seed-eating and Defoliator Moths on Acer truncatum[J]. Chinese Journal of Biological Control, 2024, 40(5): 1214-1220.

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