Host range of braconid species (Hymenoptera: Braconidae) that attack Asphondyliini (Diptera: Cecidomyiidae) in Japan

Matsuo, Kazunori; Uechi, Nami; Tokuda, Makoto; Maetô, Kaoru; Yukawa, Junichi

doi:10.1111/ens.12167

Cited by 13 publications

(12 citation statements)

References 29 publications

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“…In sub-Saharan Africa, B. celer has been reported in Kenya, Ethiopia, Namibia, and South Africa (Silvestri 1913(Silvestri , 1915Neuenschwander 1982;Mkize et al 2008;Daane et al 2011). The genus was previously found to be monophyletic with high statistical support, using 658 bp COI sequences (Matsuo et al 2016). Our NJ and ML analyses recovered B. asphondilae and B. tamabae as non-monophyletic with low statistical support, probably due to the shorter COI region utilized (547 bp).…”

Section: Braconidaementioning

confidence: 65%

Barcoding of parasitoid wasps (Braconidae and Chalcidoidea) associated with wild and cultivated olives in the Western Cape of South Africa

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Caleca

Sinno

et al. 2019

Genome

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Wild and cultivated olives harbor and share a diversity of insects, some of which are considered agricultural pests, such as the olive fruit fly. The assemblage of olive-associated parasitoids and seed wasps is rich and specialized in sub-Saharan Africa, with native species possibly coevolving with their hosts. Although historical entomological surveys reported on the diversity of olive wasp species in the Western Cape Province of South Africa, no comprehensive study has been performed in the region in the molecular era. In this study, a dual approach combining morphological and DNA-based methods was used for the identification of adult specimens reared from olive fruits. Four species of Braconidae and six species of Chalcidoidea were identified, and DNA barcoding methodologies were used to investigate conspecificity among individuals, based on randomly selected representative specimens. Morphological identifications were congruent with DNA data, as NJ and ML trees correctly placed the sequences for each species either at the genus or species level, depending on the available taxa coverage, and genetic distances strongly supported conspecificity. No clear evidence of cryptic diversity was found. Overall seed infestation and parasitism rates were higher in wild olives compared to cultivated olives, and highest for Eupelmus spermophilus and Utetes africanus. These results can be used for early DNA-based detection of wasp larvae in olives and to further investigate the biology and ecology of these species.Résumé : Les olives sauvages et cultivées abritent et partagent une grande diversité d'insectes, dont certains sont considérés comme des ravageurs, comme la mouche de l'olive. Il existe une riche diversité de parasitoïdes et de guêpes séminivores spécialisés associés aux oliviers en Afrique subsaharienne, dont plusieurs espèces indigènes qui auraient co-évolué avec leurs hôtes. Bien que des enquêtes entomologiques historiques aient rapporté la diversité des guêpes de l'olive dans la province du Cap-Occidental en Afrique du Sud, aucune étude approfondie n'a été réalisée dans cette région depuis l'avènement de méthodes moléculaires. Dans ce travail, une approche double combinant des méthodes morphologiques et basées sur l'ADN ont été employées pour identifier des spécimens adultes élevés sur des olives. Quatre espèces de Braconidae et six espèces de Chalcidoidea ont été identifiées sur la base de la morphologie et des méthodes de codage à barres de l'ADN ont été employées pour étudier la conspécificité chez des individus choisis au hasard parmi des spécimens représentatifs. Les identifications morphologiques étaient en accord avec les données moléculaires car les arbres NJ et ML ont correctement placé les séquences de chacune des espèces, soit en fonction du genre ou de l'espèce selon la couverture des taxons, et les distances génétiques ont fortement supporté la conspécificité. Aucune évidence claire de diversité cryptique n'a été trouvée. Globalement, les niveaux d'infestation des graines et les taux de parasitisme...

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Section: Braconidaementioning

confidence: 65%

Barcoding of parasitoid wasps (Braconidae and Chalcidoidea) associated with wild and cultivated olives in the Western Cape of South Africa

Powell

Caleca

Sinno

et al. 2019

Genome

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“…xylostella (Arvanitakis et al 2014). On the other hand, recent studies have revealed that the host ranges of idiobiont ectoparasitoids, such as Bracon and Habrobracon species (Braconidae), are narrower than that expected previously (Chomphukhiao et al 2018;Matsuo et al 2016). Host specificity of parasitoids in relation to koinobiosis or idiobiosis will be a challenging issue to be discussed again.…”

Section: Discussionmentioning

confidence: 92%

Polyphagous koinobiosis: the biology and biocontrol potential of a braconid endoparasitoid of exophytic caterpillars

Maetô

2018

Appl Entomol Zool

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Polyphagous koinobiosis might be a novel perspective to help elucidate the evolution of the physiological and ecological traits of parasitoid wasps and determine their use as biocontrol agents. The euphorine braconid Meteorus pulchricornis is a polyphagous koinobiont endoparasitoid of exophytic caterpillars from 15 families within 10 lepidopteran superfamilies. Here, the biology of this common but enigmatic parasitoid wasp is reviewed. The unique cocoon suspension system of M. pulchricornis protects it against predators during and after cocoon spinning. This structural cocoon protection method, as well as robust immune suppression mechanism, likely enables its very wide host range. In Japan, M. pulchricornis can reproduce both sexually and asexually, and the coexistence of sexual and asexual strains might be encouraged by its high polyphagy. In this review, the potential use of M. 2 pulchricornis as a biocontrol agent is also addressed.

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“…In I. yukawai , however, B. tamabae , the most dominant parasitoid, is a polyphagous and multivoltine ectoparasitoid (idiobiont) (Matsuo et al. ). Therefore, it does not need to enter diapause to synchronize its lifecycle with that of the host gall midge.…”

Section: Discussionmentioning

confidence: 99%

“…Bracon tamabae Maeto (Hymenoptera: Braconidae) has been known as an ectoparasitoid of mature larvae and pupae of I. yukawai (Matsuo et al. ). This parasitoid is polyphagous, attacking other gall midges of Asphondyliini, such as Asteralobia sasakii (Monzen), A. soyogo (Kikuti), D. machilicola and P. neolitseae , of which the last two species occasionally coexist in broad‐leaved evergreen forests.…”

Section: Methodsmentioning

confidence: 99%

Geographical and annual variations in the proportion of extended diapausing individuals of Illiciomyia yukawai (Diptera: Cecidomyiidae) with reference to an adaptive significance of its bimodal emergence pattern

Yukawa

Nakagawa

Kohno

et al. 2016

Entomological Science

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Illiciomyia yukawai (Diptera: Cecidomyiidae) induces leaf galls on Illicium anisatum (Schisandraceae) and exhibits 1‐year (yr) and 2‐yr type life history patterns. Geographical and annual variations in the proportion of 2‐yr to 1‐yr type individuals of I. yukawai were studied from 1977 to 1994 and in 2008, 2009 and 2014. An analysis of geographical variation at 13 different census fields indicated that the proportion of 2‐yr type individuals significantly increased with the decrease of mean annual temperature reflected by altitudinal and latitudinal gradients. However, a multiple regression analysis indicated that the annual variation in the proportion was not correlated with temperature, gall density, abundance of host resources or parasitism by hymenopteran parasitoids. Thus, we eliminated the effects of these external factors that have been thought to determine the annual variation. We need to take alternative intrinsic factors, instead of external factors, into consideration to explain the annual variation. The fall of galled leaves occasionally caused a higher mortality of 2‐yr type individuals than those of 1‐yr type. Nevertheless, 2‐yr type individuals exist. We considered that the existence of 2‐yr type individuals of I. yukawai has an adaptive significance to diversify risks against catastrophic events such as the serious shortage of host buds and high percentage of parasitism that happen more frequently than the high mortality caused by the fall of galled leaves.

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Host range of braconid species (Hymenoptera: Braconidae) that attack Asphondyliini (Diptera: Cecidomyiidae) in Japan

Cited by 13 publications

References 29 publications

Barcoding of parasitoid wasps (Braconidae and Chalcidoidea) associated with wild and cultivated olives in the Western Cape of South Africa

Barcoding of parasitoid wasps (Braconidae and Chalcidoidea) associated with wild and cultivated olives in the Western Cape of South Africa

Polyphagous koinobiosis: the biology and biocontrol potential of a braconid endoparasitoid of exophytic caterpillars

Geographical and annual variations in the proportion of extended diapausing individuals of Illiciomyia yukawai (Diptera: Cecidomyiidae) with reference to an adaptive significance of its bimodal emergence pattern

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