<i>Drosophila subpulchrella</i>, a new species of the <i>Drosophila suzukii</i> species subgroup from Japan and China (Diptera: Drosophilidae)

Takamori, Hisaki; Watabe, Hideaki; Fuyama, Yoshiaki; Zhang, Yaping; Aotsuka, Tadashi

doi:10.1111/j.1479-8298.2006.00159.x

Cited by 30 publications

(30 citation statements)

References 5 publications

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“…Both D. subpulchrella (Takamori et al 2006) and D. biarmipes have been proposed as sister to D. suzukii (van der Linde & Houle 2008; Yang et al 2012). To reexamine these relationships, we used DNA from 13 protein-coding genes (3 mtDNA, 10 nDNA, downloaded from Genbank) for 10 members of the melanogaster species group (Supplementary Material 2).…”

Section: Methodsmentioning

confidence: 99%

Wolbachiado not live by reproductive manipulation alone: infection polymorphism inDrosophila suzukiiandD. subpulchrella

et al. 2014

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Drosophila suzukii recently invaded North America and Europe. Populations in Hawaii, California, New York and Nova Scotia are polymorphic for Wolbachia, typically with <20% infection frequency. The Wolbachia in D. suzukii, denoted wSuz, is closely related to wRi, the variant prevalent in continental populations of D. simulans. wSuz is also nearly identical to Wolbachia found in D. subpulchrella, plausibly D. suzukii's sister species. This suggests vertical Wolbachia transmission through cladogenesis (“cladogenic transmission”). The widespread occurrence of 7-20% infection frequencies indicates a stable polymorphism. wSuz is imperfectly maternally transmitted, with wild infected females producing on average 5-10% uninfected progeny. As expected from its low frequency, wSuz produces no cytoplasmic incompatibility (CI), i.e., no elevated embryo mortality when infected males mate with uninfected females, and no appreciable sex-ratio distortion. The persistence of wSuz despite imperfect maternal transmission suggests positive fitness effects. Assuming a balance between selection and imperfect transmission, we expect a fitness advantage on the order of 20%. Unexpectedly, Wolbachia-infected females produce fewer progeny than do uninfected females. We do not yet understand the maintenance of wSuz in D. suzukii. The absence of detectable CI in D. suzukii and D. subpulchrella makes it unlikely that CI-based mechanisms could be used to control this species without transinfection using novel Wolbachia. Contrary to their reputation as horizontally transmitted reproductive parasites, many Wolbachia infections are acquired through introgression or cladogenesis and many cause no appreciable reproductive manipulation. Such infections, likely to be mutualistic, may be central to understanding the pervasiveness of Wolbachia among arthropods.

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Section: Methodsmentioning

confidence: 99%

Wolbachiado not live by reproductive manipulation alone: infection polymorphism inDrosophila suzukiiandD. subpulchrella

et al. 2014

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Section: Spotted Wing Drosophila (Swd) Ormentioning

confidence: 99%

“…subpulchrella Takamori andWatabe, 2006. All three species are characterized by the two black spots on male wings while female possesses a pronounced serrated ovipositor (Takamori et al, 2006). Thus far, D. suzukii is the only species of the D. melanogaster group in Europe characterized by a serrated ovipositor present in females and spotted wings present in males.…”

Section: Spotted Wing Drosophila (Swd) Ormentioning

confidence: 99%

Drosophila suzukii (Matsumura, 1931) (Siptera: Srosophilidae): A new invasive pest in Serbia

Toševski¹,

Milenkovic²,

Krstić³

et al. 2014

Plant protection

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, a survey was conducted in order to establish the presence of the invasive pest Drosophila suzukii (Matsumura, 1931) on the territory of Serbia. Survey revealed the presence of this fly in four districts (Rasinski, Mačvanski, Raški and Pčinjski), in sampled raspberry and blackberry ripe fruits, as well as in common fig and grape. Collected fruits were used for the rearing of Drosophilid larvae to adults, which were subsequently subjected to morphological and molecular characterization. The presence of D. suzukii was confirmed in all surveyed districts, as well as in Zemun (City of Belgrade). This is the first report of the highly invasive fruit pest D. suzukii on the territory of Serbia.

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“…From the applied science perspective, it is critical to know the extent to which other relatives of D. suzukii could behave as pests in a similar manner, in the hope of preventing their spread before they are established. Indeed, popular guides have referred to D. suzukii as 'spotted wing Drosophila' [3,5,13] but this description applies to a number of flies in this species group [14,15] and it is not clear how many of them are potentially harmful to agriculture.…”

Section: Introductionmentioning

confidence: 99%

The making of a pest: the evolution of a fruit-penetrating ovipositor inDrosophila suzukiiand related species

et al. 2014

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Evolutionary innovation can allow a species access to a new ecological niche, potentially reducing competition with closely related species. While the vast majority of Drosophila flies feed on rotting fruit and other decaying matter, and are harmless to human activity, Drosophila suzukii, which has a morphologically modified ovipositor, is capable of colonizing live fruit that is still in the process of ripening, causing massive agricultural damage. Here, we conducted the first comparative analysis of this species and its close relatives, analysing both ovipositor structure and fruit susceptibility. We found that the ovipositor of the species most closely related to D. suzukii, Drosophila subpulchrella, has a similar number of enlarged, evolutionarily derived bristles, but a notably different overall shape. Like D. suzukii, D. subpulchrella flies are capable of puncturing the skin of raspberries and cherries, but we found no evidence that they could penetrate the thicker skin of two varieties of grapes. More distantly related species, one of which has previously been mistaken for D. suzukii, have blunt ovipositors with small bristles. While they did not penetrate fruit skin in any of the assays, they readily colonized fruit interiors where the skin was broken. Our results suggest that considering evolutionary context may be beneficial to the management of invasive species.

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Drosophila subpulchrella, a new species of the Drosophila suzukii species subgroup from Japan and China (Diptera: Drosophilidae)

Cited by 30 publications

References 5 publications

Wolbachiado not live by reproductive manipulation alone: infection polymorphism inDrosophila suzukiiandD. subpulchrella

Wolbachiado not live by reproductive manipulation alone: infection polymorphism inDrosophila suzukiiandD. subpulchrella

Drosophila suzukii (Matsumura, 1931) (Siptera: Srosophilidae): A new invasive pest in Serbia

The making of a pest: the evolution of a fruit-penetrating ovipositor inDrosophila suzukiiand related species

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