<i>Arengomyia</i>, new genus for the <i>Colocasiomyia arenga</i> species group (Diptera: Drosophilidae), with description of a new species

Yafuso, Masako; Toda, Masanori J.; Sembel, Dantje T.

doi:10.1111/j.1479-8298.2008.00285.x

Cited by 5 publications

(5 citation statements)

References 7 publications

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“…Accordingly, Yafuso et al . () established Arengomyia Yafuso & Toda, for this group. On the other hand, Sultana et al .…”

Section: Resultsmentioning

confidence: 97%

“…Although Grimaldi (1991) regarded the arenga group and the toshiokai group as the first and the second branches, respectively, Sultana et al (2006) revealed the distant relationship of the arenga group to the genus Colocasiomyia. Accordingly, Yafuso et al (2008) (2006) suggested the sister relationship between the toshiokai and baechlii groups with a bootstrap value of 77.2%. However, of the characters having supported this relationship, some were regarded as symplesiomorphies and others were revised for character states in the present study.…”

Section: Cladogrammentioning

confidence: 99%

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Colocasiomyia (Diptera: Drosophilidae) revised phylogenetically, with a new species group having peculiar lifecycles on monsteroid (Araceae) host plants

Fartyal

Gao

Toda

et al. 2013

Systematic Entomology

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The phylogeny of Colocasiomyia (Drosophilidae) is analysed using data for 70 morphological characters, many of which are re‐evaluated from or added to those used previously, for an expanded taxon sample of 24 Colocasiomyia ingroup species. A special focus is put on three species, of which two have remained unresolved for their relationships to other Colocasiomyia species, and the other is a newly discovered species. The analysis results in a single, most parsimonious cladogram, in which a clade comprising the three focal species is recognized along with other clades recovered for the known species groups of Colocasiomyia. Based on this, a new species group—the gigantea group—is established, including Colocasiomyia gigantea (Okada), C. rhaphidophorae Gao & Toda, n.sp. and C. scindapsae Fartyal & Toda, n.sp. These species of the gigantea group breed on inflorescences/infructescences of the subfamily Monsteroideae (Araceae) exceptionally among Colocasiomyia species, most of which use plants of the subfamily Aroideae as their hosts. Colocasiomyia gigantea uses Epipremnum pinnatum (L.) Engler, C. rhaphidophorae uses Rhaphidophora hookeri Schott and C. scindapsae uses Scindapsus coriaceus Engler as their hosts. The host plants of the gigantea group are epiphytes and differ in the structure of spadix and the fruiting process from those of the Aroideae. To understand how the species of the gigantea group adapt to properties of their host plants, their reproductive ecology—most intensively that of C. gigantea—is investigated. The lifecycle of C. gigantea is characterized by its relatively slow embryonic development (taking approximately 6 days), the very long duration of the full‐grown first instar within the egg capsule (approximately three months) until dehiscence of host infructescence, and its relatively fast larval and pupal development (taking approximately 11 or 12 days). Some morphological adaptations and the reproductive strategy in terms of ‘egg size vs. number’ trade‐off are discussed in relation to their reproductive habits and peculiar lifecycles.

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“…Accordingly, Yafuso et al . () established Arengomyia Yafuso & Toda, for this group. On the other hand, Sultana et al .…”

Section: Resultsmentioning

confidence: 97%

Section: Cladogrammentioning

confidence: 99%

Colocasiomyia (Diptera: Drosophilidae) revised phylogenetically, with a new species group having peculiar lifecycles on monsteroid (Araceae) host plants

Fartyal

Gao

Toda

et al. 2013

Systematic Entomology

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“…Anthophilic drosophilids, therefore, are present worldwide, especially in tropical regions. Other noteworthy examples are the Scaptodrosophila aterrima species group in Africa (Tsacas et al, 1988), the subgenus Exalloscaptomyza Hardy of Scaptomyza Hardy, in Hawaii (Montague & Kaneshiro, 1982;Starmer & Bowles, 1994), Scaptodrosophila hibisci (Bock) and S. aclinata (McEvey & Barker), in Australia (Cook et al, 1977;McEvey & Barker, 2001), the Drosophila elegans species subgroup (melanogaster group) (Sultana et al, 1999), the genus Colocasiomyia de Meijere (Carson & Okada, 1980;Sultana et al, 2006;Fartyal et al, 2013) and the genus Arengomyia Yafuso & Toda (Yafuso et al, 2008), in Asia.…”

Section: Introductionmentioning

confidence: 99%

The flower flies and the unknown diversity of Drosophilidae (Diptera): a biodiversity inventory in the Brazilian fauna

Schmitz

Valente

2019

Pap. Avulsos Zool.

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Diptera is a megadiverse order, reaching its peak of diversity in Neotropics, although our knowledge of dipteran fauna from this region is grossly lacking. This applies even to the most studied families, such as Drosophilidae. Despite its prominence, most aspects of the biology of these insects are still poorly understood, especially those linked to natural communities. Field studies on drosophilids are highly biased towards fruit-breeding species. Flower-breeding drosophilids, however, are worldwide distributed, especially in tropical regions, although being mostly neglected. The present paper shows the results of a biodiversity inventory of flower-breeding drosophilids carried out in several localities in Brazil, based on samples of 125 plant species, from 47 families. Drosophilids were found in flowers of 56 plant species, from 18 families. The fauna discovered turned out to be mostly unknown, comprising 28 species, with 12 of them (> 40%) still undescribed. Not taking into account opportunistic species, two-thirds of the flower-exclusive diversity was undescribed. The Drosophila bromeliae species group was the most representative taxon, with eight species (six undescribed), including four polyphagous and four Solanum-specialized species. This specialization on Solanum is reported for the first time for Drosophilidae. Other taxa of restricted flower-breeding drosophilids were the Drosophila lutzii species group and two species of the genus Zygothrica Wiedemann. Some specimens of the genera Cladochaeta Coquillett, Rhinoleucophenga Hendel and Scaptomyza Hardy were found, but their relations to flowers are unclear. Additionally, ten species of broad niche were found using flowers opportunistically. Localities and host plants were recorded for all species collected.

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“…Up to the present, 23 species of Colocasiomyia have been described exclusively from the Oriental Region including New Guinea (Sultana et al . 2006; Yafuso et al . 2008).…”

Section: Introductionmentioning

confidence: 99%

“…Up to the present, 23 species of Colocasiomyia have been described exclusively from the Oriental Region including New Guinea (Sultana et al 2006;Yafuso et al 2008). In recent years, however, a considerable number of new species have been discovered in Southeast Asia (Sultana et al 2006;M.…”

Section: Introductionmentioning

confidence: 99%

Genus Colocasiomyia (Drosophilidae: Diptera) in Sabah, Bornean Malaysia: High species diversity and use of host aroid inflorescences

Toda¹,

Lakim²

2011

Entomological Science

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A total of 21 Colocasiomyia species, including 17 undescribed species, are reported from Sabah (Mt. Kinabalu and neighboring areas), Malaysia, based on samples collected from inflorescences of 14 or 15 Araceae species. This number of species is the largest as a local fauna of this genus in the world. The high species diversity is attributed to 12 undescribed species belonging to the Colocasiomyia baechlii species group. A particular breeding habit of Colocasiomyia is sharing of the same inflorescence by a pair of species, with partial niche separation between them: one species uses exclusively the pistillate (lower female-flower) section of the spadix for oviposition and larval development, whereas the other mostly uses the staminate (upper male-flower) section. However, the baechlii group species show quite different patterns of host plant use: many (up to eight) species cohabit on the same inflorescence. It is unlikely that they separate their breeding niches micro-allopatrically within an inflorescence. Instead, species composition and their proportions of individual numbers vary among different localities, seasons and host plants, with partial overlap among them. Such partial separations in local distribution, phenology and host selection would in combination contribute to their coexistence and promote the species diversity of this group.

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Arengomyia, new genus for the Colocasiomyia arenga species group (Diptera: Drosophilidae), with description of a new species

Cited by 5 publications

References 7 publications

Colocasiomyia (Diptera: Drosophilidae) revised phylogenetically, with a new species group having peculiar lifecycles on monsteroid (Araceae) host plants

Colocasiomyia (Diptera: Drosophilidae) revised phylogenetically, with a new species group having peculiar lifecycles on monsteroid (Araceae) host plants

The flower flies and the unknown diversity of Drosophilidae (Diptera): a biodiversity inventory in the Brazilian fauna

Genus Colocasiomyia (Drosophilidae: Diptera) in Sabah, Bornean Malaysia: High species diversity and use of host aroid inflorescences

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