A new species and new records of black flies (diptera: simuliidae) from Thailand.

Takaoka, Hiroyuki; Saito, Katsumi

doi:10.2149/tmh1973.24.163

Cited by 33 publications

(19 citation statements)

References 4 publications

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“…The male of S. chaliowae is similar to S. fenestratum from Sumatra and Thailand (Edwards, 1934;Takaoka and Saito, 1996) , by having the hind basitarsus almost entirely darkened (Fig. 5) as well as the ventral plate hairy on ventral surface (Fig.…”

Section: Remarksmentioning

confidence: 87%

Four new species of black flies (Diptera: Simuliidae) from Thailand.

Takaoka¹,

Kuvangkadilok

1999

Jap. J. Trop. Med. Hyg.

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Abstract:Four new species of black flies (Diptera: Simuliidae) are described based on reared adult, pupal and/or larval specimens collected from Thailand.Three new species, Simulium chaliowae sp. nov., S. chainarongi sp. nov., and S. triglobus sp. nov., are all assigned in the multistriatum-group of the subgenus Simulium (Simulium) , and share the similar shoe-shaped cocoon instead of the usual fenestrate cocoon. S. triglobus is most remarkable by having three spermathecae in female adult. The fourth new species, S. baimaii sp. nov., is placed in the genus Simulium but its subgeneric assignment remains unclear due to lack of adult specimens. This species is distinct from the other known simuliid species in the Oriental Region by having the pupal gill with two filaments directed forward from an inflated stalk on each side.

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Section: Remarksmentioning

confidence: 87%

Four new species of black flies (Diptera: Simuliidae) from Thailand.

Takaoka¹,

Kuvangkadilok

1999

Jap. J. Trop. Med. Hyg.

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“…The fixative was changed about 5 min after collection, and again after 24 h. Some living pupae were reared for identification by placing them in a vial tightly plugged with damp cotton wool and closed with netted fabric. Specimens were identified using external morphology following the keys and descriptions found in Takaoka and Suzuki (1984), Takaoka and Saito (1996), Takaoka and Adler (1997), Takaoka and Kuvangkadilok (1999) and Takaoka and Choochote (2004) and the descriptions of new species in Takaoka andChoochote (2005a, b, 2006a, b, c, d, e), Jitklang and Kuvangkadilok (2007) and Pramual and Tangkawanit (2008).…”

Section: Specimens and Dna Methodsmentioning

confidence: 99%

“…In 1984, Takaoka and Suzuki reported 19 species including seven new and five unnamed. Takaoka and Saito (1996) described one new species, S. (Byssodon) siripoomense, and listed four newly recorded species. Takaoka and Kuvangkadilok (1999) described four new species.…”

Section: Introductionmentioning

confidence: 99%

Phylogenetic relationships among the black fly species (Diptera: Simuliidae) of Thailand based on multiple gene sequences

et al. 2010

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Simulium is a very speciose genus of the black fly family Simuliidae that includes many important pests of humans and animals. Cytotaxonomic and morphological studies have made substantial progress in Simulium systematics. 16S rRNA and ITS-1 DNA sequence studies have assisted this progress. Intensive multi-gene molecular systematic investigations will, however, be required for a comprehensive understanding of the genus' taxonomy and evolution. Our research was conducted to investigate the relationships of Thai Simulium at the subgeneric, species group and species levels. We also examined the possibility of using mitochondrial DNA sequences to facilitate Simulium species identification. Data were collected from three mitochondrial genes (COI, ND4 and 16S rRNA) and two segments of the nuclear 28S ribosomal RNA (the D1 to D2 and the D4 expansion regions). The subgenera Simulium and Gomphostilbia were monophyletic in most analyses. Nevermannia included Montisimulium but was otherwise monophyletic in multigene analyses. In most analyses, Simulium and Nevermannia were more closely related to each other than to Gomphostilbia which was usually basal. Species groups were generally monophyletic. Within Gomphostilbia, however, the batoense species group was always paraphyletic to the other two species groups found in Thailand. Three species groups in Simulium were not monophyletic. The tendency to gill filament number reduction for some species groups in the subgenus Simulium was associated with a derived position in multigene analyses. Most species were monophyletic with two exceptions that probably represent species complexes and will present difficulties for rapid mitochondrial DNA identification.

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“…Larvae of S. feuerborni were preserved in Carnoy's fixative (absolute ethanol: acetic acid; 2:1). Identifications were based on the external morphology of larvae, pupae and adults according to Takaoka (1977), Takaoka (1979), Takaoka (2001), Takaoka and Suzuki (1984), Takaoka and Davies (1995), Takaoka and Saito (1996), Takaoka and Adler (1997), Takaoka and Kuvangkadilok (1999), Kuvangkadilok and Takaoka (2000) and Takaoka and Choochote (2005a, d). In addition to morphological identification, cytological criteria were used for identification of S. feuerborni.…”

Section: Black Fly Collection and Species Identificationmentioning

confidence: 99%

Molecular phylogeny of black flies (Diptera: Simuliidae) from Thailand, using ITS2 rDNA

2006

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The sequences of the second internal transcribed spacer (ITS2) of ribosomal DNA (rDNA) were determined for 40 black fly species from Thailand, belonging to 4 subgenera of the genus Simulium, namely Gomphostilbia (12 species), Nevermannia (5 species), Montisimulium (1 species), Simulium sensu stricto (21 species), and an unknown subgenus with one species (Simulium baimaii). The length of the ITS2 ranged from 247 to 308 bp. All black fly species had high AT content, ranging from 71 to 83.8%. Intraindividual variation (clonal variation) occurred in 13 species, ranging from 0.3 to 1.1%. Large intrapopulation and interpopulation heterogeneities exist in S. feuerboni from the same and different locations in Doi Inthanon National Park, northern Thailand. Phylogenetic relationships among 40 black fly species were examined using PAUP (version 4.0b10) and MrBAYS (version 3.0B4). The topology of the trees revealed two major monophyletic clades. The subgenus Simulium and Simulium baimaii were placed in the first monophyletic clade, whereas the subgenera Nevermannia + Montisimulium were placed as the sister group to the subgenus Gomphostilbia in the second monophyletic clade. Our results suggest that S. baimaii belongs to the malyschevi-group or variegatum-group in the subgenus Simulium. The molecular phylogeny generally agrees with existing morphology-based phylogenies.

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A new species and new records of black flies (diptera: simuliidae) from Thailand.

Cited by 33 publications

References 4 publications

Four new species of black flies (Diptera: Simuliidae) from Thailand.

Four new species of black flies (Diptera: Simuliidae) from Thailand.

Phylogenetic relationships among the black fly species (Diptera: Simuliidae) of Thailand based on multiple gene sequences

Molecular phylogeny of black flies (Diptera: Simuliidae) from Thailand, using ITS2 rDNA

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