Lariophagus distinguendus (Hymenoptera: Pteromalidae) (Förster)—Past, Present, and Future: The History of a Biological Control Method Using L. distinguendus against Different Storage Pests

Niedermayer, Steffi; Pollmann, Marie; Steidle, Johannes L. M.

doi:10.3390/insects7030039

Cited by 13 publications

(14 citation statements)

References 52 publications

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“…Our study revealed that L. distinguendus , a parasitoid which occurs in human environments and has been studied for a long time (Niedermayer et al, ), consists of at least two different species. These species are reproductively separated by (a) ecological isolation, (b) almost absolute sexual isolation due to female mate choice, (c) postzygotic isolation due to CI caused by a yet undescribed endosymbiotic bacterium, (d) and other, hitherto unknown barriers.…”

Section: Discussionmentioning

confidence: 64%

“…Our study revealed that L. distinguendus, a parasitoid which occurs in human environments and has been studied for a long time (Niedermayer et al, 2016), consists of at least two different species.…”

Section: Con Clus Ionsmentioning

confidence: 85%

“…distinguendus is attacking beetle larvae living in grains, seeds, or cocoons (Niedermayer & Steidle, 2013;Steidle & Schöller, 1997). For many decades, its general biology, ecology, and use for the biological control of stored product pests have been extensively studied by many authors (reviewed by Niedermayer, Pollmann, & Steidle, 2016). König et al (2015) reported on two distinct lineages of L. distinguendus which are ecologically separated.…”

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confidence: 99%

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Reproductive isolation due to prezygotic isolation and postzygotic cytoplasmic incompatibility in parasitoid wasps

König

Zundel²,

Krimmer

et al. 2019

Ecology and Evolution

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The reproductive barriers that prevent gene flow between closely related species are a major topic in evolutionary research. Insect clades with parasitoid lifestyle are among the most species‐rich insects and new species are constantly described, indicating that speciation occurs frequently in this group. However, there are only very few studies on speciation in parasitoids. We studied reproductive barriers in two lineages of Lariophagus distinguendus (Chalcidoidea: Hymenoptera), a parasitoid wasp of pest beetle larvae that occur in human environments. One of the two lineages occurs in households preferably attacking larvae of the drugstore beetle Stegobium paniceum (“DB‐lineage”), the other in grain stores with larvae of the granary weevil Sitophilus granarius as main host (“GW‐lineage”). Between two populations of the DB‐lineage, we identified slight sexual isolation as intraspecific barrier. Between populations from both lineages, we found almost complete sexual isolation caused by female mate choice, and postzygotic isolation, which is partially caused by cytoplasmic incompatibility induced by so far undescribed endosymbionts which are not Wolbachia or Cardinium. Because separation between the two lineages is almost complete, they should be considered as separate species according to the biological species concept. This demonstrates that cryptic species within parasitoid Hymenoptera also occur in Central Europe in close contact to humans.

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Section: Discussionmentioning

confidence: 64%

Section: Con Clus Ionsmentioning

confidence: 85%

mentioning

confidence: 99%

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Reproductive isolation due to prezygotic isolation and postzygotic cytoplasmic incompatibility in parasitoid wasps

König

Zundel²,

Krimmer

et al. 2019

Ecology and Evolution

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“…Besides, it has been also showed that an important parasitoid of L . serricorne , Lariophagus distinguendus Forster (Hymenoptera: Pteromalidae) 66 , mainly rely to the VOCs emitted by adult beetle feces when locating its host, stressing that the potential impact of the VOCs proposed for real-world use should be evaluated also on biocontrol agents of the targeted pest, to shed light on potential behavioural changes 67,68 . In this framework, the attractiveness of VOCs from the CMMs to L .…”

Section: Discussionmentioning

confidence: 99%

Innate positive chemotaxis to paeonal from highly attractive Chinese medicinal herbs in the cigarette beetle, Lasioderma serricorne

Cao

Benelli

Germinara

et al. 2019

Sci Rep

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Lasioderma serricorne , also known as cigarette beetle, can exploit a wide variety of stored materials as foods, but it is particularly common on tobacco and herbs. This beetle is a dominant pest species of stored Chinese medicinal materials (CMMs) causing high economic damages, making effective control strategies urgently needed. Behavioural manipulation is an important component of Integrated Pest Management. To the best of our knowledge, plant-borne volatile organic compounds (VOCs) have never been explored to develop lures for managing L . serricorne . In this study, the behavioural responses of L . serricorne to VOCs from four selected CMMs ( Euphorbia kansui , Aconitum carmichaelii , Eucommia ulmoides and Pinellia ternata ) were studied and their components analysed. Then, the olfactory responses of L . serricorne to the most abundant VOC identified in the preferred CMM, i.e., paeonal, was tested. L . serricorne showed significant differences in its preferences for the VOCs from the four CMMs, i.e, E . kansui > A . carmichaelii > E . ulmoides > P . ternata . From the VOCs of E . kansui , A . carmichaelii , E . ulmoides , and P . ternata , 77, 74, 56, and 81 molecules, were identified, respectively. Paeonal (23.5%), junipene (17.2%), hexanal (17.1%), and benzeneacetonitrile (14.0%) were the most abundant, respectively. Since paeonal dominated the VOC spectrum of the most preferred CMM, this compound was selected for further studies. L . serricorne showed significant positive responses to paeonal tested at various doses, with the most attractive ones being 100 μg and 500 μg. Our findings shed light on the olfactory cues routing the food searching behaviour in the cigarette beetle, providing important information on how L . serricorne targets particular CMMs. The high attractiveness of paeonal at low doses tested here may be exploited further to develop novel monitoring and control tools (e.g., lure-and-kill strategies) against this important stored product pest.

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“…Lariophagus distinguendus (Förster, 1841), which also belongs to the family Pteromalidae, is an apparently well-studied cosmopolitan parasitoid of certain beetle species (Coleoptera) which feed on many stored products [21–22]. However, our recent research revealed the presence of at least two cryptic species with alternative host preferences and strongly different DNA sequences [23–25].…”

Section: Introductionmentioning

confidence: 99%

Microdissection and whole chromosome painting confirm karyotype transformation in cryptic species of the Lariophagus distinguendus (Förster, 1841) complex (Hymenoptera: Pteromalidae)

et al. 2019

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Karyotypes of two cryptic species of parasitoid Hymenoptera with n = 5 and 6 belonging to the Lariophagus distinguendus (Förster, 1841) complex, which includes cosmopolitan parasitoids of coleopteran stored-product pests, were studied using glass-needle based microdissection, reverse and cross-species fluorescence in situ hybridisation (FISH). This experiment strongly indicates that the largest metacentric chromosome in the karyotype with n = 5 originated from a particular fusion between the only acrocentric and a smaller metacentric chromosome of the set with n = 6, therefore confirming our previous hypothesis based on the karyotypic analysis using chromosome morphometrics. This study represents the first successful application of both microdissection and whole chromosome painting for the reconstruction of karyotypic rearrangements in closely related species of parasitoids, as well as in the order Hymenoptera in general.

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Lariophagus distinguendus (Hymenoptera: Pteromalidae) (Förster)—Past, Present, and Future: The History of a Biological Control Method Using L. distinguendus against Different Storage Pests

Cited by 13 publications

References 52 publications

Reproductive isolation due to prezygotic isolation and postzygotic cytoplasmic incompatibility in parasitoid wasps

Reproductive isolation due to prezygotic isolation and postzygotic cytoplasmic incompatibility in parasitoid wasps

Innate positive chemotaxis to paeonal from highly attractive Chinese medicinal herbs in the cigarette beetle, Lasioderma serricorne

Microdissection and whole chromosome painting confirm karyotype transformation in cryptic species of the Lariophagus distinguendus (Förster, 1841) complex (Hymenoptera: Pteromalidae)

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