The Methocha (Hymenoptera: Thynnidae: Methochinae) of Hong Kong (China), a preliminary faunal list with descriptions of five new species and sexual associations rendered through molecular analysis

Christophe Barthélémy; Mamoru Terayama; Emily Shui Kei Poon; Simon Yung Wa Sin

doi:10.5852/ejt.2026.1043.3213

March 6, 2026SHILAP Revista de lepidopterologíaOpen Access

The Methocha (Hymenoptera: Thynnidae: Methochinae) of Hong Kong (China), a preliminary faunal list with descriptions of five new species and sexual associations rendered through molecular analysis

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Key Points

To document and describe new species of Methocha identified in Hong Kong, including their sexual associations.
Described five new Methocha species based on molecular analysis and morphological traits.
Utilized both female-only and male-only specimens for species identification.
Provided a phylogenetic tree and key to species for identification.
Identified two new species based solely on female specimens and two based solely on males.
Described one species with both male and female specimens linked through molecular analysis.
Presented a key for species identification and a phylogenetic tree reflecting relationships among species.

Implication

Describes five new Methocha species in Hong Kong, highlighting their sexual associations and molecular insights.

Abstract

Five new species of Methocha Latreille, 1804 are described from Hong Kong: two species based on females only, Methocha haaksek Barthélémy & Terayama sp. nov. and Methocha leleji Barthélémy & Terayama sp. nov.; two on males only, M. wilsoni Barthélémy & Terayama sp. nov. and M. zetetes Barthélémy & Terayama sp. nov.; and one with females and males associated through molecular analysis, M. hongkongensis Barthélémy & Terayama sp. nov. A key to species and a phylogenetic tree of Methocha occurring in the Hong Kong SAR are provided.

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Barthélémy et al. (2026) studied this question.

synapsesocial.com/papers/69ada873bc08abd80d5bb6a9 https://doi.org/10.5852/ejt.2026.1043.3213

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The Methocha (Hymenoptera: Thynnidae: Methochinae) of Hong Kong (China), a preliminary faunal list with descriptions of five new species and sexual associations rendered through molecular analysis

Key Points

Implication

Abstract

Discussion

Cite This Study

The Methocha (Hymenoptera: Thynnidae: Methochinae) of Hong Kong (China), a preliminary faunal list with descriptions of five new species and sexual associations rendered through molecular analysis

Key Points

Implication

Abstract

Discussion

Cite This Study

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