DNA Barcodes Suggest Cryptic Speciation inDasineura oxycoccana(Diptera: Cecidomyiidae) on Cranberry,Vaccinium macrocarpon, and Blueberry,V. corymbosum

Mathur, Shivani; Cook, Melissa A.; Sinclair, Bradley J.; Fitzpatrick, Sheila M.

doi:10.1653/024.095.0222

Cited by 27 publications

(29 citation statements)

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“…The hypothesis that a single species of D. oxycoccana arrived in British Columbia on blueberry, dispersed to cranberry, and is forming two host races as each population adapts to its host-plantÕs phenology via induced phenotypic plasticity is unlikely in light of genetic evidence provided by Mathur et al (2012). More probably, D. oxycoccana on cranberry and on blueberry are two cryptic species originating from a common wild ancestral Vaccinium host and were brought into British Columbia separately when each crop began to be intensively cultivated.…”

Section: Discussionmentioning

confidence: 99%

“…Peach, J. Iwanski, and G. Gries; unpublished data). Genetic analysis using mitochondrial DNA cytochrome oxidase I found 10.7Ð13.1% divergence between highbush blueberry and cranberry D. oxycoccana populations from British Columbia but only 0 Ð1.2 and 0 Ð1.3% within cranberry and highbush blueberry populations, respectively, even though adults from the two populations are morphologically indistinguishable (Mathur et al 2012). The sum of information from these three investigations strongly suggests that D. oxycoccana on highbush blueberry and cranberry represent two cryptic species per the deÞnition of Bickford et al (2007): populations of individuals that are morphologically similar and do not interbreed but are incorrectly classiÞed into one species.…”

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confidence: 99%

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Phenology of Dasineura oxycoccana (Diptera: Cecidomyiidae) on Cranberry and Blueberry Indicates Potential for Gene Flow

2012

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Dasineura oxycoccana (Johnson) (Diptera: Cecidomyiidae) is a pest of cranberry, Vaccinium macrocarpon (Aiton) (Ericales: Ericaceae), and highbush blueberry, Vaccinium corymbosum (L.) (Ericales: Ericaceae), in North America. In British Columbia, Canada, D. oxycoccana was first found on highbush blueberry in 1991 and then on cranberry seven years later. Because many cranberry and highbush blueberry farms are adjacent to one another, we hypothesized that D. oxycoccana was moving from highbush blueberry onto cranberry. Cranberry and highbush blueberry differ in phenology, and adaptation to these different phenologies may result in host races or cryptic species on these two crops. We recognized the alternative hypothesis that D. oxycoccana had arrived as immature stages with cranberry vines imported from another region of North America. During spring and summer, we recorded the phenology of D. oxycoccana and the development of plant shoots from three cranberry and three highbush blueberry farms to determine whether the opportunity exists for successful movement of D. oxycoccana between the two crops. Our results show that D. oxycoccana from cranberry and highbush blueberry overlap in phenology for much of the season, indicating a high potential for movement and gene flow. However, differences were seen in number of larvae per shoot, location of pupae, and heat unit accumulation during larval development suggesting that instead there may be the potential for host race or cryptic species formation.

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Section: Discussionmentioning

confidence: 99%

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Phenology of Dasineura oxycoccana (Diptera: Cecidomyiidae) on Cranberry and Blueberry Indicates Potential for Gene Flow

2012

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“…However, it has been suggested that tipworm injury can have a negative impact on fruit production in the northern latitudes (Maine and northern Wisconsin), and it has reached pest status in the cranberry-growing regions of British Columbia, Canada (C. Armstrong, personal communication, Mahr 2005, Mahr and Perry 2006, Cook et al 2011. Tipworm is also a severe pest of commercially cultivated blueberries in the southern United States (Sampson et al 2002, Hahn andIssacs 2012), although recent work has suggested that the populations of tipworm on cranberry and blueberry may be cryptic species (Cook et al 2011Mathur et al 2012;Fitzpatrick et al 2013).…”

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Physiological Integration Plays Key Role in Cranberry (Ericales: Ericaceae) for Tolerance of Damage byDasineura oxycoccana(Diptera: Cecidomyiidae)

Tewari¹,

Buonaccorsi²,

Averill³

2014

Environ Entomol

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Understanding the mechanisms by which plants tolerate herbivory is important in the study of insect-plant interactions. In cranberry, current season growth has been identified as the main source of photosynthate for the developing fruits. Feeding injury by larvae of cranberry tipworm, Dasineura oxycoccana Johnson, disrupts the apical growth of cranberry shoots or uprights, but does not impact fruit output. To study the effects of experimentally depleting photosynthate available from sources other than the current season growth on fruit output, we girdled tipworm-injured uprights. This technique enabled us to estimate the contribution of current season growth in supplying photosynthate to developing fruits in tipworm-injured uprights. The mean fruit weight declined by >55% in those tipworm-injured uprights that were limited to photosynthate from only the current season growth (girdled uprights). The result was consistent between two phenologically different cultivars of cranberry, one a native selection from wild cranberry stands ('Howes') and the other a hybrid ('Stevens'). In addition, fruit weight was positively correlated to current season leaf area in the girdled uprights only. These results strongly suggest that physiological integration among the different sources of photosynthate plays a key role in the tolerance of tipworm feeding injury for fruit output in cranberry.

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“…The blueberry gall midge Dasineura oxycoccana (Johnson) and the blueberry tip midge Prodiplosis vaccinii (Felt) are cecidomyiids that have long been recognized as global pests of cultivated Vaccinium (Driggers 1926;Gagné 1986Gagné , 1989Bosio et al 1998;Calvo et al 2006;Mathur et al 2012). In North America, these two native gall midge species typically emerge after blueberry bloom to feed mainly on newly expanding leaf buds.…”

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“…For instance, in the warm temperate States along the United States Gulf Coast, both midge species feed virtually year-round. Midge species tend to specialize on speciÞc blueberry plant organs (Sampson et al 2002(Sampson et al , 2006Mathur et al 2012). The delicate ßower buds of southern blueberries are principally fed upon by D. oxycoccana.…”

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Biology and Efficacy of Aprostocetus (Eulophidae: Hymenoptera) as a Parasitoid of the Blueberry Gall Midge Complex: Dasineura oxycoccana and Prodiplosis vaccinii (Diptera: Cecidomyiidae)

Sampson¹,

Roubos

Stringer³

et al. 2013

jnl. econ. entom.

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In the southeastern United States, bud-infesting larvae of two gall midge species, Dasineura oxycoccana (Johnson) and Prodiplosis vaccinii (Felt), destroy from 20 to 80% of the rabbiteye blueberry crop, Vaccinium virgatum Aiton (syn. V. ashei Reade). These midge larvae are attacked by five species of parasitoid wasps. The most effective of these is the bivoltine eulophid Aprostocetus sp. nr. marylandensis (Eulophidae), whose adults constitute one-third of the gall midge parasitoids, active in both conventional and organic blueberry fields. Broods of Aprostocetus use several reproductive strategies to keep sole possession of their larval hosts. As solitary endoparasitoids as well as facultative hyperparasitoids, precocial larvae of Aprostocetus devour hosts organs along with any younger siblings and rival parasitoid broods. Although larger hosts are preferred, any sized larvae can be parasitized, which reduces brood congestion and infanticide. An Aprostocetus female spends an hour or more in a systematic hunt for hosts, during which time 40 to 100% of midge larvae encountered are parasitized. Aprostocetus females could have located hosts more quickly had they recognized host-feeding scars as cues. Even so, high rates of larval parasitism achieved by Aprostocetus may kill as many midges as insecticides do.

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DNA Barcodes Suggest Cryptic Speciation inDasineura oxycoccana(Diptera: Cecidomyiidae) on Cranberry,Vaccinium macrocarpon, and Blueberry,V. corymbosum

Cited by 27 publications

References 24 publications

Phenology of <I>Dasineura oxycoccana</I> (Diptera: Cecidomyiidae) on Cranberry and Blueberry Indicates Potential for Gene Flow

Phenology of <I>Dasineura oxycoccana</I> (Diptera: Cecidomyiidae) on Cranberry and Blueberry Indicates Potential for Gene Flow

Physiological Integration Plays Key Role in Cranberry (Ericales: Ericaceae) for Tolerance of Damage byDasineura oxycoccana(Diptera: Cecidomyiidae)

Biology and Efficacy of <I>Aprostocetus</I> (Eulophidae: Hymenoptera) as a Parasitoid of the Blueberry Gall Midge Complex: <I>Dasineura oxycoccana</I> and <I>Prodiplosis vaccinii</I> (Diptera: Cecidomyiidae)

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