Revealing a cryptic species of mole cricket genus Gryllotalpa Latreille, 1802 (Orthoptera: Gryllotalpidae) in Roi Et Province, Thailand, detected by mitochondrial DNA sequences

Mole crickets of the genus Gryllotalpa Latreille, 1802 are widely distributed across the Oriental region, including Thailand. While the species G. orientalis Burmeister, 1838 was thought to be the most common although there was limited genetic information existed for Thai specimens. This study colle...

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Veröffentlicht in:Biológia 2024-12, Vol.80 (2), p.323-333
Hauptverfasser: Vangno, Wacharapong, Pradit, Nakorn, Pilap, Warayutt, Jaroenchaiwattanachote, Chavanut, Duangkhamchan, Wasan, Saijuntha, Jatupon, Thanee, Isara, Plant, Adrian R., Tawong, Wittaya, Saijuntha, Weerachai
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Sprache:eng
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Zusammenfassung:Mole crickets of the genus Gryllotalpa Latreille, 1802 are widely distributed across the Oriental region, including Thailand. While the species G. orientalis Burmeister, 1838 was thought to be the most common although there was limited genetic information existed for Thai specimens. This study collected 271 mol crickets from 14 localities in Roi Et province, Thailand. The sequence variation in the mitochondrial cytochrome c oxidase subunit 1 gene (CO1) and 16S ribosomal DNA (16S rDNA) were examined. High genetic diversity was observed with 37 CO1 and 15 16S rDNA haplotypes. Haplotype networks and phylogenetic trees classified the mole cricket into six genetic groups (I – VI). The most common genetic group detected throughout the studied areas was group I. While, groups III and IV were specifically found in Kaset Wisai and At Samat districts, respectively. The CO1 sequences of G. orientalis from other countries deposited in the GenBank database were clustered as a distinct genetic group. Phylogenetic trees revealed six genetic groups which were classified into three species groups (Sp. 1 – Sp. 3). There were slight differences in male genitalia and tegmen venation between Sp. 1 and Sp. 3. Our findings suggest that in Roi Et Province, the genus Gryllotalpa contained cryptic species, with at least three species involved. The need was identified for a comprehensive investigation of their biology, ecology, and genetic diversity throughout Thailand.
ISSN:1336-9563
0006-3088
1336-9563
DOI:10.1007/s11756-024-01835-x