A new species of the Simulium (Gomphostilbia) (Diptera: Simuliidae) from Thailand, with its phylogenetic relationships with related species in the Simulium asakoae species-group

Wichai Srisuka; Hiroyuki Takaoka; Masako Fukuda; Yasushi Otsuka; Atiporn Saeung

doi:10.1016/j.actatropica.2019.105043

A new species of the Simulium (Gomphostilbia) (Diptera: Simuliidae) from Thailand, with its phylogenetic relationships with related species in the Simulium asakoae species-group

Acta Trop. 2019 Sep:197:105043. doi: 10.1016/j.actatropica.2019.105043. Epub 2019 May 30.

Authors

Wichai Srisuka¹, Hiroyuki Takaoka², Masako Fukuda³, Yasushi Otsuka⁴, Atiporn Saeung⁵

Affiliations

¹ Entomology Section, Queen Sirikit Botanic Garden, P.O. Box 7, Maerim, Chiang Mai 50180, Thailand. Electronic address: wsrisuka@gmail.com.
² Tropical Infectious Diseases Research and Education Centre (TIDREC), University of Malaya, Kuala Lumpur 50603, Malaysia. Electronic address: takaoka@oita-u.ac.jp.
³ Institute for Research Promotion, Oita University, Idaigaoka 1-1, Hasama, Yufu City, Oita 879-5593, Japan. Electronic address: mfukuda@oita-u.ac.jp.
⁴ Research Center for the Pacific Islands, Kagoshima University, Korimoto 1-21-24, Kagoshima City, Kagoshima 890-8580, Japan. Electronic address: yotsuka@cpi.kagoshima-u.ac.jp.
⁵ Center of Insect Vector Study, Department of Parasitology, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand. Electronic address: atisaeung.noi@gmail.com.

PMID: 31153893
DOI: 10.1016/j.actatropica.2019.105043

Abstract

A new species of black fly, Simulium (Gomphostilbia) rampae, is described, based on adult male, its pupal exuviae and mature larvae collected from Doi Inthanon National Park, northern Thailand. This new species is placed in the Simulium asakoae species-group, and is characterized in the male by the high number of upper-eye facets in 17 vertical columns and 18 horizontal rows, in the pupa by the gill with a long common basal stalk, cone-shaped terminal hook, and cocoon with an anterodorsal projection, and in the larva by the medium-long postgenal cleft. A DNA analysis using COI gene supported its assignment to the S. asakoae species-group and showed its close relationship to S. (G.) udomi Takaoka & Choochote and S. (G.) chiangdaoense Takaoka & Srisuka. This is the fourth member of the S. asakoae species-group recorded from Thailand.

Keywords: Aquatic insects; Biodiversity; Oriental Region; Taxonomy.

MeSH terms

Animals
Female
Larva / anatomy & histology
Larva / classification
Male
Phylogeny*
Pupa / anatomy & histology
Pupa / classification
Simuliidae / anatomy & histology
Simuliidae / classification*
Species Specificity
Thailand