Discrimination of Vietnamese species of the genus <i>Rhynocoris</i> (Hemiptera: Heteroptera: Reduviidae) with the utilization of integrative taxonomy

Xuan Lam Truong; Ngoc Linh Ha; Thanh Truc Truong; Dac Dai Nguyen; Quang Cuong Nguyen; Katsuyuki Eguchi

doi:10.15625/2615-9023/20534

Author affiliations

Authors

Truong Xuan Lam Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Ha Noi, Vietnam; Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Ha Noi, Vietnam
Ha Ngoc Linh Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Ha Noi, Vietnam
Truong Thanh Truc Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Ha Noi, Vietnam; Phan Dinh Phung High School, 30 Phan Dinh Phung, Ha Noi, Vietnam
Nguyen Dac Dai Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Ha Noi, Vietnam; Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Ha Noi, Vietnam
Nguyen Quang Cuong Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Ha Noi, Vietnam; Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Ha Noi, Vietnam
Katsuyuki Eguchi Graduate School of Science, Tokyo Metropolitan University, Minami-Osawa 1-1, Hachioji, Tokyo 192-0397, Japan

DOI:

https://doi.org/10.15625/2615-9023/20534

Keywords:

Morphology, molecular phylogeny, taxonomy assassin bug, Reduviidae, Vietnam.

Abstract

The genus Rhynocoris Hahn, 1834 is one of the largest genera of the subfamily Harpactorinae. This genus consists of 144 described species widely distributed in the Afrotropical, Palearctic, Sino-Japanese, Oriental, and Nearctic Realms. There are three species, Rhynocoris fuscipes (Fabricius, 1787), Rhynocoris marginellus (Fabricius, 1803), Rhynocoris mendicus (Stål, 1867) recorded in Vietnam. In this study, we attempted to re-examine the Rhynocoris species collected from Vietnam based on external morphology, genital morphology, and COI phylogeny to reveal the species delimitation of this genus in Vietnam. As a result, the independence of the three Rhynocoris species from Vietnam was confirmed. Moreover, R. mendicus was revealed as being a polymorphic species with two intraspecific morphological phenotypes.

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