Brachyptery Analysis in Alloxysta (Hymenoptera: Figitidae): Synonymy of A. curta Ferrer-Suay and Pujade Villar as the Brachypterous Male of A. ramulifera (Thomson) in the Nearctic

Alice Casiraghi; Jonathan S Dregni; Nicolás Pérez Hidalgo; Joe M. Kaser; George E. Heimpel; Jesús Selfa; Mar Ferrer-Suay

doi:10.4289/0013-8797.124.1.1

Brachyptery Analysis in Alloxysta (Hymenoptera: Figitidae): Synonymy of A. curta Ferrer-Suay and Pujade Villar as the Brachypterous Male of A. ramulifera (Thomson) in the Nearctic

Alice Casiraghi, Jonathan S Dregni, Nicolás Pérez Hidalgo, Joe M. Kaser, George E. Heimpel, Jesús Selfa, Mar Ferrer-Suay

Entomology

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Eight brachypterous species have been described within the hymenopteran genus Alloxysta. Intraspecific wing polymorphism linked to sex has been previously hypothesized within this genus and the aim of this work was to confirm whether the phylogenetic relationships based on morphological characters between brachypterous and macropterous species are correct using molecular analyses. This study used material collected from Minnesota (USA), with 278 specimens identified as Alloxysta brachyptera (Hartig, 1840), A. curtaFerrer-Suay and Pujade-Villar, 2017 (Ferrer-suay et al. 2017), A. brevis (Thomson, 1862), or A. ramulifera (Thomson, 1862). Twenty-three of these specimens were subjected to sequencing of the barcoding gene, Cytochrome Oxidase I. Previous analyses had identified A. curta as a distinct species from A. ramulifera based in part on shorter wing length and our current sampling from Minnesota identified only male A. curta. However, our molecular analyses (COI) showed that A. curta should instead be considered a phenotypic variant of A. ramulifera exhibiting male brachyptery, and we establish this new synonymy here. Alloxysta brevis and A. brachyptera remain as valid species. These results suggest that some brachypterous taxa within the figitid subfamily Charipinae, which have been described as valid species, are actually sexually dimorphic forms from the same species with different wing morphology.

Original language	English (US)
Pages (from-to)	1-12
Number of pages	12
Journal	Proceedings of the Entomological Society of Washington
Volume	124
Issue number	1
DOIs	https://doi.org/10.4289/0013-8797.124.1.1
State	Published - Sep 13 2022

Bibliographical note

Funding Information:
Alice Casiraghi benefited from an Erasmus+ scholarship during the year 2018-2019, to do her Master thesis at the University of Valencia. The investigation in Spain was conducted in the context of Project CGL2015-68188-P, funded by "Ministerio de Economia, Industria y Competitividad" (MIMECO) of Spain. We thank Nicholas Padowski and Kelton Welch for sampling as well as funding by the University of Minnesota Rapid Agricultural Response Fund, the University of Minnesota Agricultural Experiment Station, the Minnesota Invasive Terrestrial Plant and Pest Center, the Minnesota Soybean Research and Promotion Council and the U.S. Dept. of Agriculture Sustainable Agriculture Research and Education program.

Publisher Copyright:
© 2022 Entomological Society of Washington. All rights reserved.

Keywords

COI
Charipinae
hyperparasitoid
phylogeny
wings

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10.4289/0013-8797.124.1.1

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Casiraghi, A., Dregni, J. S., Hidalgo, N. P., Kaser, J. M., Heimpel, G. E., Selfa, J., & Ferrer-Suay, M. (2022). Brachyptery Analysis in Alloxysta (Hymenoptera: Figitidae): Synonymy of A. curta Ferrer-Suay and Pujade Villar as the Brachypterous Male of A. ramulifera (Thomson) in the Nearctic. Proceedings of the Entomological Society of Washington, 124(1), 1-12. https://doi.org/10.4289/0013-8797.124.1.1

Brachyptery Analysis in Alloxysta (Hymenoptera: Figitidae): Synonymy of A. curta Ferrer-Suay and Pujade Villar as the Brachypterous Male of A. ramulifera (Thomson) in the Nearctic. / Casiraghi, Alice; Dregni, Jonathan S; Hidalgo, Nicolás Pérez et al.
In: Proceedings of the Entomological Society of Washington, Vol. 124, No. 1, 13.09.2022, p. 1-12.

Research output: Contribution to journal › Article › peer-review

Casiraghi, A, Dregni, JS, Hidalgo, NP, Kaser, JM, Heimpel, GE, Selfa, J & Ferrer-Suay, M 2022, 'Brachyptery Analysis in Alloxysta (Hymenoptera: Figitidae): Synonymy of A. curta Ferrer-Suay and Pujade Villar as the Brachypterous Male of A. ramulifera (Thomson) in the Nearctic', Proceedings of the Entomological Society of Washington, vol. 124, no. 1, pp. 1-12. https://doi.org/10.4289/0013-8797.124.1.1

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title = "Brachyptery Analysis in Alloxysta (Hymenoptera: Figitidae): Synonymy of A. curta Ferrer-Suay and Pujade Villar as the Brachypterous Male of A. ramulifera (Thomson) in the Nearctic",

abstract = "Eight brachypterous species have been described within the hymenopteran genus Alloxysta. Intraspecific wing polymorphism linked to sex has been previously hypothesized within this genus and the aim of this work was to confirm whether the phylogenetic relationships based on morphological characters between brachypterous and macropterous species are correct using molecular analyses. This study used material collected from Minnesota (USA), with 278 specimens identified as Alloxysta brachyptera (Hartig, 1840), A. curtaFerrer-Suay and Pujade-Villar, 2017 (Ferrer-suay et al. 2017), A. brevis (Thomson, 1862), or A. ramulifera (Thomson, 1862). Twenty-three of these specimens were subjected to sequencing of the barcoding gene, Cytochrome Oxidase I. Previous analyses had identified A. curta as a distinct species from A. ramulifera based in part on shorter wing length and our current sampling from Minnesota identified only male A. curta. However, our molecular analyses (COI) showed that A. curta should instead be considered a phenotypic variant of A. ramulifera exhibiting male brachyptery, and we establish this new synonymy here. Alloxysta brevis and A. brachyptera remain as valid species. These results suggest that some brachypterous taxa within the figitid subfamily Charipinae, which have been described as valid species, are actually sexually dimorphic forms from the same species with different wing morphology.",

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note = "Funding Information: Alice Casiraghi benefited from an Erasmus+ scholarship during the year 2018-2019, to do her Master thesis at the University of Valencia. The investigation in Spain was conducted in the context of Project CGL2015-68188-P, funded by {"}Ministerio de Economia, Industria y Competitividad{"} (MIMECO) of Spain. We thank Nicholas Padowski and Kelton Welch for sampling as well as funding by the University of Minnesota Rapid Agricultural Response Fund, the University of Minnesota Agricultural Experiment Station, the Minnesota Invasive Terrestrial Plant and Pest Center, the Minnesota Soybean Research and Promotion Council and the U.S. Dept. of Agriculture Sustainable Agriculture Research and Education program. Publisher Copyright: {\textcopyright} 2022 Entomological Society of Washington. All rights reserved.",

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Brachyptery Analysis in Alloxysta (Hymenoptera: Figitidae): Synonymy of A. curta Ferrer-Suay and Pujade Villar as the Brachypterous Male of A. ramulifera (Thomson) in the Nearctic

Abstract

Bibliographical note

Keywords

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