Field studies and molecular forensics identify a new association: Idris elba Talamas, sp. nov. parasitizes the eggs of Bagrada hilaris (Burmeister)

Lomelí-Flores, J. Refugio; Rodríguez-Rodríguez, Susana Eva; Rodríguez-Levya, Esteban; González‐Hernández, Héctor; Gariépy, Tara D.; Talamas, Elijah J.

doi:10.3897/jhr.73.38025

Cited by 20 publications

(12 citation statements)

References 31 publications

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“…More recently, published a method that enables identification of parasitoids via residual DNA in empty, parasitized eggs. This method has since been used to detect the first population of Trissolcus japonicus in eastern Canada and confirm that a species of Idris Förster (Scelionidae) parasitized bagrada bug eggs, the first non-spider host for the genus (Lomeli-Flores et al 2019). Each of these examples relied on a pre-existing library of CO1 sequences that were reliably matched to species names.…”

Section: Molecular Diagnosticsmentioning

confidence: 91%

Molecular phylogeny of Trissolcus wasps (Hymenoptera, Scelionidae) associated with Halyomorpha halys (Hemiptera, Pentatomidae)

Talamas¹,

Bon²,

Hoelmer³

et al. 2019

JHR

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As the brown marmorated stink bug (Halyomorpha halys) has spread across the Northern Hemisphere, research on its egg parasitoids has increased accordingly. These studies have included species-level taxonomy, experimental assessments of host ranges in quarantine, and surveys to assess parasitism in the field. We here present a molecular phylogeny of Trissolcus that includes all species that have been reared from live H. halys eggs. Species-group concepts are discussed and revised in the light of the phylogenetic analyses. The analyses indicate that the ability to successfully parasitize H. halys eggs is not phylogenetically constrained, but the most effective parasitoids are all found in the flavipes species group.

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Section: Molecular Diagnosticsmentioning

confidence: 91%

Molecular phylogeny of Trissolcus wasps (Hymenoptera, Scelionidae) associated with Halyomorpha halys (Hemiptera, Pentatomidae)

Talamas¹,

Bon²,

Hoelmer³

et al. 2019

JHR

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“…The reports of this study indicate that at least four species of Trissolcus (T. basalis, T. hyalinipennis, T. hullensis, and T. utahensis) are actively parasitizing B. hilaris eggs in southern California (Ganjisaffar et al 2018). Three other scelionids have been reported parasitizing B. hilaris eggs in Mexico: Telenomus podisi (Ashmead), Gryon myrmecophilum (Ashmead), and Idris elba Talamas (Felipe-Victoriano et al 2019, Lomeli-Flores et al 2019. This suggests that B. hilaris eggs may be broadly suitable for Nearctic parasitoids.…”

Section: Discussionmentioning

confidence: 66%

First report and integrated analysis of two native Trissolcus species utilizing Bagrada hilaris eggs in California

Ganjisaffar¹,

Talamas²,

Bon³

et al. 2020

JHR

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Surveys with sentinel eggs of Bagrada hilaris (Hemiptera: Pentatomidae) in southern California retrieved two parasitoids that were not previously known to be associated with this stink bug, Trissolcus hullensis and T. utahensis (Hymenoptera: Scelionidae). Molecular and morphological analysis of these specimens is used to modify the concept of T. utahensis and assess the factors that contribute to intraspecific variation. We provide an updated couplet to separate T. utahensis from a morphologically similar species, T. cosmopeplae.

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“…Members of the tribe Baeini are specialist endoparasitoids that parasitise the eggs of spiders (Austin 1985, 1988a; Austin & Field 1997), with only one exception, a species known from heteropteran eggs (Lomeli‐Flores et al . 2019). They likely have a high level of host specificity and are found in virtually all habitats (Austin 1985; Iqbal & Austin 2000a; Stevens & Austin 2007).…”

Section: Introductionmentioning

confidence: 99%

New species‐group of brachypterous Idris Förster, 1856 s.l. (Hymenoptera: Platygastridae s.l.) from the Oriental region

Veenakumari

Austin

2021

Austral Entomology

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Members of the cosmopolitan wasp tribe Baeini (Platygastridae s.l.) are obligate endoparasitoids of spider eggs. The group is estimated to have well over 2000 species globally, approximately 80% of which are undescribed. Most species belong to the genus Idris Förster s.l., a megadiverse group which is probably paraphyletic without the inclusion of a number of smaller genera. The group has resisted phylogenetic analysis using morphology largely due to convergence associated with reductional character states or, in the case of molecular analysis, insufficient taxon sampling and markers. To make any headway in understanding the diversity and relationships within the tribe, and particularly for the genus Idris, a pragmatic approach is to describe species groups that can be later incorporated into a broader sampling of taxa for molecular analysis. In taking this approach, we describe two new species from the Oriental region (India) with brachypterous females, Idris benaka sp. nov. and Idris samueli sp. nov., which are assigned to a new species group, the ‘benaka‐group’. These two species are morphologically similar to a number of undescribed Idris from Australia and southern Africa which, if related, point to a possible circum‐Indian Ocean distribution for this species group. In addition, we also discuss the make‐up and relationships of Idris, and the nature of wing reduction in the Baeini.

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Field studies and molecular forensics identify a new association: Idris elba Talamas, sp. nov. parasitizes the eggs of Bagrada hilaris (Burmeister)

Cited by 20 publications

References 31 publications

Molecular phylogeny of Trissolcus wasps (Hymenoptera, Scelionidae) associated with Halyomorpha halys (Hemiptera, Pentatomidae)

Molecular phylogeny of Trissolcus wasps (Hymenoptera, Scelionidae) associated with Halyomorpha halys (Hemiptera, Pentatomidae)

First report and integrated analysis of two native Trissolcus species utilizing Bagrada hilaris eggs in California

New species‐group of brachypterous Idris Förster, 1856 s.l. (Hymenoptera: Platygastridae s.l.) from the Oriental region

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