INCOMPATIBLE RACES OF EUROPEAN CHERRY FRUIT FLY, <i>RHAGOLETIS CERASI</i> (DIPTER A: TEPHRITIDAE), THEIR ORIGIN AND POTENTIAL USE IN BIOLOGICAL CONTROL

Boller, E. F.; Russ, K.; Vallo, V.; Bush, Guy L.

doi:10.1111/j.1570-7458.1976.tb02640.x

Cited by 54 publications

(72 citation statements)

References 12 publications

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“…Casually recorded in 1983, this species was recorded from Switzerland by Merz (1991) as "R. indiff erens", but later was correctly identifi ed as R. cingulata (Boller & Mani, 1994;EPPO, 2004EPPO, , 2010. European specimens oft en have widely darkened mid and hind femora, as well as the wing pattern typical for R. indiff erens.…”

Section: Rhagoletis Bagheeramentioning

confidence: 99%

The Carpomyini Fruit Flies (Diptera: Tephritidae) of Europe, Caucasus, and Middle East: New Records of Pests, with Improved Keys

Korneyev¹,

Mishustin²,

Korneyev³

2017

Vestnik Zoologii

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Th e Carpomyini Fruit Flies (Diptera, Tephritidae) of Europe, Caucasus, and Middle East: New Records of Pest Species, with Improved Keys. Korneyev, V. A., Mishustin, R. I., Korneyev, S. V. -Based on previously unpublished specimens from the collection of I. I. Schmalhausen Institute of Zoology (Kyiv), all the species of the tribe Carpomyini known to occur in Europe and Asia westwards of the Caspian Sea and Afghanistan, are listed. Th e melon fruit fl y, Carrpomya (Myiopardalis) pardalina (Bigot) is recorded for the fi rst time from Ukraine and Europe, and Carpomya (s. str.) vesuviana (A. Costa, 1854) for continental Ukraine, based on collection material. Carpomya (Goniglossum) liat (Freidberg, 2016), comb. n., is established as Goniglossum has not been adopted at the genus rank. New records and illustrated keys to species are given.

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Section: Rhagoletis Bagheeramentioning

confidence: 99%

The Carpomyini Fruit Flies (Diptera: Tephritidae) of Europe, Caucasus, and Middle East: New Records of Pests, with Improved Keys

Korneyev¹,

Mishustin²,

Korneyev³

2017

Vestnik Zoologii

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“…However, at the time of this writing, ongoing experimental work suggests that some Brazilian natural populations of medfly may be infected with Wolbachia (D. Selivon, personal communication). To determine whether the medfly can support Wolbachia infections and express CI, we used conventional embryonic cytoplasmic injections (14-17) for transfer of natural bacterial symbionts from a related species, R. cerasi (Diptera, Tephritidae) (18), to an uninfected laboratory strain of medf ly C. capitata (Diptera, Tephritidae), the Benakeion strain.Previous studies have demonstrated high levels of incompatibility between natural populations of R. cerasi (10,19), the basis of which was recently shown to be Wolbachia (18). Populations of R. cerasi are either infected by a single Wolbachia variant, wCer1, or coinfected by two variants, wCer1 and wCer2.…”

mentioning

confidence: 99%

“…Previous studies have demonstrated high levels of incompatibility between natural populations of R. cerasi (10,19), the basis of which was recently shown to be Wolbachia (18). Populations of R. cerasi are either infected by a single Wolbachia variant, wCer1, or coinfected by two variants, wCer1 and wCer2.…”

mentioning

confidence: 99%

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Wolbachia-induced cytoplasmic incompatibility as a means for insect pest population control

Zabalou

Riegler

Theodorakopoulou

et al. 2004

Proc. Natl. Acad. Sci. U.S.A.

341

335

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C ytoplasmic incompatibility (CI) is the most widespread and, perhaps, the most prominent feature that Wolbachia endosymbionts impose on their hosts (1, 2). CI results in embryonic mortality (EM) in matings between insects of the same species with different Wolbachia infection status (3, 4). It can be either unidirectional or bidirectional. Unidirectional CI is typically expressed when an infected male mates with an uninfected female. The reciprocal mating is fully compatible, as are matings between infected individuals. Bidirectional CI usually occurs in matings between infected individuals harboring different strains of Wolbachia. Although the mechanism of CI has not yet been elucidated on the molecular level, several lines of evidence suggest that Wolbachia somehow modifies the paternal chromosomes during spermatogenesis (mature sperm does not contain the bacteria). This modification influences their behavior during the first mitotic divisions and results in loss of mitotic synchrony (5, 6). Even before the etiological connection between Wolbachia and CI was revealed in mosquitoes (7), attempts were made to exploit CI as a method to suppress natural populations of arthropod pests in a way analogous to the sterile insect technique (S.I.T.) (8). These early attempts involved the mass production and release of incompatible male insects to control wild populations of disease vectors such as the mosquito Culex pipiens (9) and of agricultural pests such as the European cherry fruit fly, Rhagoletis cerasi (10) and, at a smaller scale, the almond moth Cadra (Ephestia) cautella (11).The Mediterranean fruit fly (medfly) Ceratitis capitata is a worldwide pest that infests Ͼ250 fruit varieties of economic importance (12). Extensive screenings of both laboratory and natural populations of medfly have shown that this insect pest is not infected with Wolbachia (13). However, at the time of this writing, ongoing experimental work suggests that some Brazilian natural populations of medfly may be infected with Wolbachia (D. Selivon, personal communication). To determine whether the medfly can support Wolbachia infections and express CI, we used conventional embryonic cytoplasmic injections (14-17) for transfer of natural bacterial symbionts from a related species, R. cerasi (Diptera, Tephritidae) (18), to an uninfected laboratory strain of medf ly C. capitata (Diptera, Tephritidae), the Benakeion strain.Previous studies have demonstrated high levels of incompatibility between natural populations of R. cerasi (10,19), the basis of which was recently shown to be Wolbachia (18). Populations of R. cerasi are either infected by a single Wolbachia variant, wCer1, or coinfected by two variants, wCer1 and wCer2. Incompatibility occurs between males from doubly infected populations and females from singly infected populations, suggesting the wCer2 infection as the cause of CI (18). Additionally, transfer of wCer2 in Drosophila simulans also resulted to the induction of CI (17). An additional, yet uncharacterized, Wolbachia strain (wCer...

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“…Early studies demonstrated high levels of incompatibility between populations of R. cerasi (1,2), the basis of which was recently shown to involve Wolbachia (32). Populations of R. cerasi are either infected by a single Wolbachia variant, wCer1, or superinfected by two variants, wCer1 and -2.…”

mentioning

confidence: 99%

WolbachiaTransfer fromRhagoletis cerasitoDrosophila simulans: Investigating the Outcomes of Host-Symbiont Coevolution

Riegler

Charlat

Stauffer

et al. 2004

Appl Environ Microbiol

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Wolbachia is an endosymbiont of diverse arthropod lineages that can induce various alterations of host reproduction for its own benefice. Cytoplasmic incompatibility (CI) is the most common phenomenon, which results in embryonic lethality when males that bear Wolbachia are mated with females that do not. In the cherry fruit fly, Rhagoletis cerasi, Wolbachia seems to be responsible for previously reported patterns of incompatibility between populations. Here we report on the artificial transfer of two Wolbachia variants (wCer1 and wCer2) from R. cerasi into Drosophila simulans, which was performed with two major goals in mind: first, to isolate wCer1 from wCer2 in order to individually test their respective abilities to induce CI in the new host; and, second, to test the theoretical prediction that recent Wolbachia-host associations should be characterized by high levels of CI, fitness costs to the new host, and inefficient transmission from mothers to offspring. wCer1 was unable to develop in the new host, resulting in its rapid loss after successful injection, while wCer2 was established in the new host. Transmission rates of wCer2 were low, and the infection showed negative fitness effects, consistent with our prediction, but CI levels were unexpectedly lower in the new host. Based on these parameter estimates, neither wCer1 nor wCer2 could be naturally maintained in D. simulans. The experiment thus suggests that natural Wolbachia transfer between species might be restricted by many factors, should the ecological barriers be bypassed.Wolbachia is a maternally inherited ␣-proteobacterium and symbiont of arthropods (4,26,34,42). This bacterium has an intracellular lifestyle, and infections occur throughout host somatic and germ line tissues of insect species (15). As a reproductive parasite, it manipulates host reproduction and favors in this way its own dispersal in host populations. The most common Wolbachia effect described so far is cytoplasmic incompatibility (CI) (8,21). CI arises when infected males mate with uninfected females and results in embryonic lethality. Reciprocal crosses between infected females and uninfected males do not express CI. This pattern can be interpreted through a two-function model (29, 42): Wolbachia would somehow modify the sperm of infected males during spermatogenesis (modification, or mod function), leading to embryo death unless Wolbachia is present in the egg and restores viability (rescue, or resc function). The mod and resc functions seem to interact in a specific manner, because CI can also be observed in crosses between males and females that are both infected, if the two partners bear different Wolbachia variants.CI allows Wolbachia to invade host populations because it increases the fitness of infected females relative to that of uninfected ones. Both theoretical and empirical studies (6,16,19,36) have highlighted the key role of three parameters in the invasion dynamics: (i) CI level (the percentage of embryos killed by CI in incompatible crosses), (ii) the fitness ef...

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INCOMPATIBLE RACES OF EUROPEAN CHERRY FRUIT FLY, RHAGOLETIS CERASI (DIPTER A: TEPHRITIDAE), THEIR ORIGIN AND POTENTIAL USE IN BIOLOGICAL CONTROL

Cited by 54 publications

References 12 publications

The Carpomyini Fruit Flies (Diptera: Tephritidae) of Europe, Caucasus, and Middle East: New Records of Pests, with Improved Keys

The Carpomyini Fruit Flies (Diptera: Tephritidae) of Europe, Caucasus, and Middle East: New Records of Pests, with Improved Keys

Wolbachia-induced cytoplasmic incompatibility as a means for insect pest population control

WolbachiaTransfer fromRhagoletis cerasitoDrosophila simulans: Investigating the Outcomes of Host-Symbiont Coevolution

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