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A phylogeny of Carrerapyrgota Aczél (Diptera, Pyrgotidae)

Abstract

CarrerapyrgotaAczél, 1956Aczél, M.L. 1956a. Revisíon parcial de las Pyrgotidae neotropicales y Antárticas con synopsis de los géneros y especies (Diptera, Acalyptratae). Revista Brasileira de Entomologia, 6: 1-38. is a Neotropical Diptera genus within Pyrgotidae. Currently, the genus comprise four species: C. miliariaAczél, 1956Aczél, M.L. 1956a. Revisíon parcial de las Pyrgotidae neotropicales y Antárticas con synopsis de los géneros y especies (Diptera, Acalyptratae). Revista Brasileira de Entomologia, 6: 1-38. (type species), C. personata (Lutz & Lima, 1918Lutz, A. & Lima, A.L. 1918. Contribuição para o estudo das Tripaneidas brasileiras. Memórias do Instituto Oswaldo Cruz, 10: 5-16. 10.1590/S0074-02761918000100001.
https://doi.org/10.1590/S0074-0276191800...
), C. aczeliMello, Lamas & Rafael, 2010Mello, R.L.; Lamas, C.J.E. & Rafael, J.A. 2010. Revision of the Neotropical genus Carrerapyrgota Aczél (Diptera, Pyrgotidae) with the description of two new species. Zootaxa , 2515: 45-64. 10.11646/zootaxa.2515.1.3.
https://doi.org/10.11646/zootaxa.2515.1....
, and C. bernardiiMello, Lamas & Rafael, 2010Mello, R.L.; Lamas, C.J.E. & Rafael, J.A. 2010. Revision of the Neotropical genus Carrerapyrgota Aczél (Diptera, Pyrgotidae) with the description of two new species. Zootaxa , 2515: 45-64. 10.11646/zootaxa.2515.1.3.
https://doi.org/10.11646/zootaxa.2515.1....
. This study investigates the phylogenetic relationships among Carrerapyrgota species, aiming to establish their monophyly as a genus. To achieve this, we conducted phylogenetic analyses based on 22 external morphological characters of adults, emploing the principle of parsimony. Analyses using both equal and implied character weighting support the monophyly of the genus, based on the following apomorphies: absence of the postscutellum, R2+3 with spurious apical vein, lower calypter with a longitudinal row of bristles, and the presence of a posterior longitudinal groove on the female fore femur. The species C. aczeli, C. bernardii, and C. miliaria form a monophyletic group, supported by the synapomorphic condition of a spot on the forehead. Within this group, C. bernardii and C. miliaria are sister species, sharing the synapomorphic condition of a less sclerotized M vein, after dm-cu compared to the anterior region, as well as the homoplastic condition of a spot on the median occipital sclerite. This phylogenetic analysis reaffirms the synonymy proposed by Bernardi (1990)Bernardi, N. 1990. Caracterização do gênero Carrerapyrgota Aczél, 1956 e sinonimização de Anapyrgota Steyskal, 1967 (Diptera, Pyrgotidae). Biotemas, 3(1): 101-104., which treats AnapyrgotaSteyskal, 1967Steyskal, G.C. 1967. 56. Family Pyrgotidae. In: Papavero, N. (Ed.). A catalogue of the Diptera of the Americas South of the United States. São Paulo, Secretaria da Agricultura, Departamento de Zoologia. p. 1-8. https://www.biodiversitylibrary.org/item/205612#page/706/mode/1up.
https://www.biodiversitylibrary.org/item...
, as a junior synonym of Carrerapyrgota. The evolutionary relationship among the species of the genus is represented as (C. personata (C. aczeli (C. bernardii, C. miliaria))). Furthermore, this study includes an updated distributional map for the genus, featuring the first record of Pyrgotinae in the Andean region.

Keywords:
Cladistic; Monophyly; Pyrgotinae; South America; Tephritoidea

INTRODUCTION

Pyrgotidae is a dipteran family distributed worldwide, comprising approximately 365 species across 55 genera (Korneyev, 2006Korneyev, V. 2006. A revision of Afrotropical species of the Eupyrgota (Diptera, Pyrgotidae): the spinifemur group and latipennis subgroup of species. Vestnik Zoologii, 40: 3-25. http://www.v-zool.kiev.ua/pdfs/2006/2/02_Korneyev.pdf.
http://www.v-zool.kiev.ua/pdfs/2006/2/02...
). In the Neotropics, 58 species are recognize, divided into 12 genera (Steyskal, 1967Steyskal, G.C. 1967. 56. Family Pyrgotidae. In: Papavero, N. (Ed.). A catalogue of the Diptera of the Americas South of the United States. São Paulo, Secretaria da Agricultura, Departamento de Zoologia. p. 1-8. https://www.biodiversitylibrary.org/item/205612#page/706/mode/1up.
https://www.biodiversitylibrary.org/item...
; Bernardi, 1991Bernardi, N. 1991. Notas sobre o gênero Leptopyrgota Hendel, com descrição de vinte e uma novas espécies do Brasil (Diptera, Pyrgotidae). Revista Brasileira de Zoologia, 7(3): 327-350. 10.1590/S0101-81751990000300015.
https://doi.org/10.1590/S0101-8175199000...
; Mello et al., 2010Mello, R.L.; Lamas, C.J.E. & Rafael, J.A. 2010. Revision of the Neotropical genus Carrerapyrgota Aczél (Diptera, Pyrgotidae) with the description of two new species. Zootaxa , 2515: 45-64. 10.11646/zootaxa.2515.1.3.
https://doi.org/10.11646/zootaxa.2515.1....
; Mello & Lamas, 2014Mello, R.L & Lamas, C.J.E. 2014. Review of the genera Stenopyrgota Malloch and Tropidothrinax Enderlein (Diptera, Pyrgotidae). Revista Brasileira de Entomologia , 58: 1-6. 10.1590/S0085-56262014000100001.
https://doi.org/10.1590/S0085-5626201400...
). Members of this family are nocturnal, with larvae developing as endoparasitoids of adult beetles in the Scarabaeidae family (Forbes, 1908Forbes, S.A. 1908. 13ª Report of the State Entomologist on the noxious and beneficiates insects of the States Illinois: 24. https://www.biodiversitylibrary.org/page/15244240.
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; Davis, 1913Davis, J.J. 1913. Common White Grubs. Farmers’ Bulletin United States Department of Agriculture, 543: 1-20., 1919Davis, J.J. 1919. Contributions to a Knowledge of the natural enemies of Phyllophaga. Bulletin of the Illinois Natural History Survey, 13: 53-138. 10.21900/j.inhs.v13.329.
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; De Meijere, 1916De Meijere, J.C.H. 1916. Studien über südostasiatische Dipteren, XI. Zur Biologie Einiger Javanischen Dipteren Nebst Beschreibung einiger neue Javanischen Arten. Tijdschrift Voor Entomologie, 59: 184-213.; Wolcott, 1922Wolcott, G.N. 1922. Insect parasite introduction in Porto Rico. Journal Departament of Agriculture, 6: 5-20. 10.46429/jaupr.v6i1.15128.
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; Aldrich, 1928Aldrich, J.M. 1928. Five new parasitic flies reared from beetles in China and India. Proceedings of the United States National Museum, 74(8): 1-7. 10.5479/si.00963801.74-2753.1.
https://doi.org/10.5479/si.00963801.74-2...
; Clausen et al., 1933Clausen, C.P.; Jaynes, H.A. & Gardner, T.R. 1933. Further investigations of the parasites of Popillia japonica in the Far East. Technical Bulletin United States Department of Agriculture, 366: 1-58.; Moutia, 1940Moutia, L.A. 1940. The research for parasites of White grubs (Melolonthids) in Zanzibar, Algeria, Morocco and France. Bulletin of Entomological Resource, 31(2): 193-208. 10.1017/S0007485300004971.
https://doi.org/10.1017/S000748530000497...
; Ritcher, 1940Ritcher, P.O. 1940. Kentucky White grubs. Kentucky Agricultural Experimental Station Bulletin, 401: 1-151.; Gardner & Parker, 1940Gardner, T.R. & Parker, L.B. 1940. Investigations of the parasites of Popillia japonica and related Scarabeidae in the Far East from 1929 to 1933 inclusive. Technical Bulletin United States Departament Agricola, 738: 1-36.; Paramonov, 1958Paramonov, S.J. 1958. A review of Australian Pyrgotidae (Diptera). Australian Journal of Entomology, 6(1): 89-138. 10.1071/ZO9580089.
https://doi.org/10.1071/ZO9580089...
).

Carrerapyrgota was proposed by Aczél (1956a)Aczél, M.L. 1956a. Revisíon parcial de las Pyrgotidae neotropicales y Antárticas con synopsis de los géneros y especies (Diptera, Acalyptratae). Revista Brasileira de Entomologia, 6: 1-38. to host the new species Carrerapyrgota miliaria, described based on male and female specimens from Brazil and Argentina. Lutz & Lima (1918Lutz, A. & Lima, A.L. 1918. Contribuição para o estudo das Tripaneidas brasileiras. Memórias do Instituto Oswaldo Cruz, 10: 5-16. 10.1590/S0074-02761918000100001.
https://doi.org/10.1590/S0074-0276191800...
) described the species Apyrgota personata based on a single specimen (of unidentified sex, due to the lack of the abdomen) from Pernambuco, Brazil. Hennig (1936Hennig, W. 1936. Beiträge zur Tiergeographie und Systematik der Pyrgotiden. Arbeiten über morphologische und taxonomische Entomologie, 3: 243-256.) and Aczél (1956b)Aczél, M.L. 1956b. Revisíon parcial de las Pyrgotidae neotropicales y Antárticas con synopsis de los géneros y especies (Diptera, Acalyptratae). Revista Brasileira de Entomologia , 5: 1-70. noted the absence of the genus Apyrgota in the neotropics, and suggested that the species described by Lutz & Lima should be transferred to the genus Pyrgota (Hennig, 1936Hennig, W. 1936. Beiträge zur Tiergeographie und Systematik der Pyrgotiden. Arbeiten über morphologische und taxonomische Entomologie, 3: 243-256.) or included in a new genus (Aczél, 1956bAczél, M.L. 1956b. Revisíon parcial de las Pyrgotidae neotropicales y Antárticas con synopsis de los géneros y especies (Diptera, Acalyptratae). Revista Brasileira de Entomologia , 5: 1-70.). Steyskal (1967Steyskal, G.C. 1967. 56. Family Pyrgotidae. In: Papavero, N. (Ed.). A catalogue of the Diptera of the Americas South of the United States. São Paulo, Secretaria da Agricultura, Departamento de Zoologia. p. 1-8. https://www.biodiversitylibrary.org/item/205612#page/706/mode/1up.
https://www.biodiversitylibrary.org/item...
) presented a taxonomic catalog of Neotropical Pyrgotidae, proposing the genus Anapyrgota to host the species A. personata.Bernardi (1990Bernardi, N. 1990. Caracterização do gênero Carrerapyrgota Aczél, 1956 e sinonimização de Anapyrgota Steyskal, 1967 (Diptera, Pyrgotidae). Biotemas, 3(1): 101-104.) considered Anapyrgota synonymous with Carrerapyrgota, proposing C. personata as a new combination with Carrerapyrgota.

Mello et al. (2010Mello, R.L.; Lamas, C.J.E. & Rafael, J.A. 2010. Revision of the Neotropical genus Carrerapyrgota Aczél (Diptera, Pyrgotidae) with the description of two new species. Zootaxa , 2515: 45-64. 10.11646/zootaxa.2515.1.3.
https://doi.org/10.11646/zootaxa.2515.1....
) provided a revision of Carrerapyrgota, which included the description of two new Brazilian species, C. aczeliMello, Lamas & Rafael, 2010Mello, R.L.; Lamas, C.J.E. & Rafael, J.A. 2010. Revision of the Neotropical genus Carrerapyrgota Aczél (Diptera, Pyrgotidae) with the description of two new species. Zootaxa , 2515: 45-64. 10.11646/zootaxa.2515.1.3.
https://doi.org/10.11646/zootaxa.2515.1....
and C. bernardiiMello, Lamas & Rafael, 2010Mello, R.L.; Lamas, C.J.E. & Rafael, J.A. 2010. Revision of the Neotropical genus Carrerapyrgota Aczél (Diptera, Pyrgotidae) with the description of two new species. Zootaxa , 2515: 45-64. 10.11646/zootaxa.2515.1.3.
https://doi.org/10.11646/zootaxa.2515.1....
. They retained the synonymy and new combination proposed by Bernardi (1990Bernardi, N. 1990. Caracterização do gênero Carrerapyrgota Aczél, 1956 e sinonimização de Anapyrgota Steyskal, 1967 (Diptera, Pyrgotidae). Biotemas, 3(1): 101-104.), reported the first South American pyrgotid species of pyrgotids associated with a host (one beetle species), and presented an identification key and a distributional map of the species.

Carrerapyrgota is defined by the following combination of characters: medial vertical seta intersecting with postocellar seta; mesofacial plate without carina; one notopleural seta; postscutellum absent; female forefemur featuring a posterior longitudinal groove; vein C with Sc break; Sc incomplete (not reaching C); R2+3 with an apical spur vein; lower calypter covered by a longitudinal row of hairs; and ovipositor without apical hook.

This study aims to investigate the phylogenetic relationships among Carrerapyrgota species, including their monophyly as a genus, and to test the synonymy proposed by Bernardi (1990Bernardi, N. 1990. Caracterização do gênero Carrerapyrgota Aczél, 1956 e sinonimização de Anapyrgota Steyskal, 1967 (Diptera, Pyrgotidae). Biotemas, 3(1): 101-104.). To accomplish this, phylogenetic parsimony analyses were performed based on the morphological characteristics of adults. Additionally, we present the first record of a Pyrgotinae from the Andean region, for the species C. miliaria.

MATERIAL AND METHODS

Specimens used in this study were belongs from the following institutions: Coleção Entomológica “Padre Jesus Santiago Moure”, Departamento de Zoologia, Universidade Federal do Paraná, Curitiba, Brazil (DZUP); Fundação e Instituto Oswaldo Cruz, Rio de Janeiro, Brazil (FIOCRUZ); Fundación e Instituto Miguel Lillo, San Miguel de Tucumán, Argentina (IMLA); Instituto Nacional de Pesquisas da Amazônia, Manaus, Brazil (INPA); Museu de Zoologia da Universidade de São Paulo, São Paulo, Brazil (MZUSP); e Museu Nacional, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil (MNRJ). The material from MNRJ has been preserved since the 2018 fire incident (Couri, personal communication). The complete list of specimens studied here corresponds to that presented by Mello et al. (2010Mello, R.L.; Lamas, C.J.E. & Rafael, J.A. 2010. Revision of the Neotropical genus Carrerapyrgota Aczél (Diptera, Pyrgotidae) with the description of two new species. Zootaxa , 2515: 45-64. 10.11646/zootaxa.2515.1.3.
https://doi.org/10.11646/zootaxa.2515.1....
). Additional specimens were obtain from the collection of the Instituto Argentino de Investigaciones Zonas Áridas, Mendoza, Argentina (IADIZA).

Terminology in this study adheres to the conventions outlined by Korneyev (2006Korneyev, V. 2006. A revision of Afrotropical species of the Eupyrgota (Diptera, Pyrgotidae): the spinifemur group and latipennis subgroup of species. Vestnik Zoologii, 40: 3-25. http://www.v-zool.kiev.ua/pdfs/2006/2/02_Korneyev.pdf.
http://www.v-zool.kiev.ua/pdfs/2006/2/02...
), Cumming & Wood (2009Cumming, J.M. & Wood, D.M. 2009. Adult Morphology and Terminology. In: Brown, B.V.; Borkent, A.; Cumming, J.M.; Wood, D.M.; Woodley, N.E. & Zumbado, M.A. (Eds.). Manual of Central American Diptera. V.1. Ottawa, NRC Research Press. p. 9-50.), and Mello et al. (2010Mello, R.L.; Lamas, C.J.E. & Rafael, J.A. 2010. Revision of the Neotropical genus Carrerapyrgota Aczél (Diptera, Pyrgotidae) with the description of two new species. Zootaxa , 2515: 45-64. 10.11646/zootaxa.2515.1.3.
https://doi.org/10.11646/zootaxa.2515.1....
). Photographs and illustrations were edited using Adobe Photoshop CC 2014, and Adobe Illustrator CS. The distribution map was crated using QGIS 3.28.2.

Outgroup taxa utilized for this analysis consisted of Ceratitis capitata (Wiedemann, 1824) (Tephritidae, Dacinae); Descoleia teretruraAczél, 1956Aczél, M.L. 1956a. Revisíon parcial de las Pyrgotidae neotropicales y Antárticas con synopsis de los géneros y especies (Diptera, Acalyptratae). Revista Brasileira de Entomologia, 6: 1-38. (Tephritoidea incertae sedis); Leptopyrgota sahlbergiana Frey, 1918 (Pyrgotidae, Pyrgotinae); Idiopyrgota setiventrisAczél, 1956Aczél, M.L. 1956b. Revisíon parcial de las Pyrgotidae neotropicales y Antárticas con synopsis de los géneros y especies (Diptera, Acalyptratae). Revista Brasileira de Entomologia , 5: 1-70. (Pyrgotidae, Pyrgotinae); and Stenopyrgota crassitibiaAczél, 1956Aczél, M.L. 1956a. Revisíon parcial de las Pyrgotidae neotropicales y Antárticas con synopsis de los géneros y especies (Diptera, Acalyptratae). Revista Brasileira de Entomologia, 6: 1-38. (Pyrgotidae, Pyrgotinae). The cladograms were rooted between C. capitata and the remaining taxa.

Phylogenetic parsimony analyses were conducted using data related to the external morphology of adult males and females. Morphological characters, whether binary or multistate, were coded and organized into a matrix using the Mesquite v3.61 software. Character codification followed the logic proposed by Sereno (2007Sereno, P.C. 2007. Logical basis for morphological characters in phylogenetics. Cladistics , 23(6): 565-587. 10.1111/j.1096-0031.2007.00161.x.
https://doi.org/10.1111/j.1096-0031.2007...
). Multistate characters were treat as unordered (Fitch, 1971Fitch, W. 1971. Toward defining the course of Evolution: minimum change for a specific tree topology. Systematic Zoology, 20(4): 406-416.). The analysis was performed using the Tree Analysis Using New Technology v1.1 (Goloboff et al., 2008Goloboff, P.; Farris, J. & Nixon, K. 2008. TNT a free program for phylogenetic analysis. Cladistics , 24: 774-786. 10.1111/j.1096-0031.2008.00217.x.
https://doi.org/10.1111/j.1096-0031.2008...
).

Analyses were carried out with equal weighting of characters using heuristic searches with 1,000 replicates, retaining up to 100 cladograms. Additionally analyses were conducted with implied weighting employing concavity K values ranging from 1 to 10. Lower K values, approaching zero, imposed stronger penalties on characters displaying homoplasy (Goloboff, 1993Goloboff, P. 1993. Estimating Character Weights During Tree Search. Cladistics , 9: 83-91. 10.1111/j.1096-0031.1993.tb00209.x.
https://doi.org/10.1111/j.1096-0031.1993...
). This range of K values was selected to test the phylogenetic hypothesis under differential weighting. Results for each analysis were summarized through strict consensus (Sokal & Rohlf, 1981Sokal, R.R. & Rohlf, F.J. 1981. Taxonomic congruence in the Leptopodomorpha reexaminad. Systematic Zoology , 30(3): 309-325. 10.2307/2413252.
https://doi.org/10.2307/2413252...
).

Bremer’s Absolute Supports were calculated for the cladograms resulting from the equal weighting analysis (Bremer, 1994Bremer, K. 1994. Branch support and tree stability. Cladistics, 10(3): 295-304.), while Bremer’s Relative Support was employed for the implied weighting analysis (Goloboff & Farris, 2001Goloboff, P. & Farris, J. 2001. Methods for quick consensus estimation. Cladistics , 17: 26-34. 10.1111/j.1096-0031.2001.tb00102.x.
https://doi.org/10.1111/j.1096-0031.2001...
). Figures of the cladograms were edited using the WINCLADA v1.00.08 software (Nixon, 2002Nixon, K.C. 2002. Winclada ver. 1.00.08. Ithaca, NY, Published by the author.).

RESULTS AND DISCUSSION

A total of 22 morphological characters were analyzed, including one related to the general body, nine concerning the head, 11 regarding the thorax, and one specific to the male abdomen (Table 1). The length (L), consistency index (CI), and retention index (RI) are provided in parentheses.

Table 1
Matrix of Morphological Characters used for Carrerapyrgota and outgroups.

List of Characters

  1. Body setae and setulae, color (L: 3; CI: 33; RI: 33): (0) reddish yellow; (1) black.

  2. Frons, spot (L: 1; CI: 100; RI: 100): (0) absent (Fig. 1); (1) present (Fig. 2).

  3. Antennal groove, median carina (L: 2; CI: 50; RI: 0): (0) present; (1) absent.

  4. Antennal groove, lower margin, spot (L: 2; CI: 50; RI: 66): (0) present; (1) absent.

  5. Pedicel, dorsal surface, size in relation to the first flagellomere (L: 2; CI: 50; RI: 0): (0) shorter; (1) longer (Fig. 1).

  6. Arista, position in the dorsal surface of the first flagellomere (L: 3; CI: 66; RI: 50): (0) apical (Fig. 1); (1) basal; (2) middle (Fig. 3).

  7. Ocelli (L: 1; CI: 100; RI: 100): (0) present (Fig. 4); (1) absent (Fig. 1).

  8. Ocellar seta (L: 2; CI: 50; RI: 0): (0) present; (1) absent (Fig. 1).

  9. Postocellar seta, position in relation to the medial vertical seta (L: 3; CI: 66; RI: 0): (0) convergent, not crossed; (1) parallel; (2) convergent, crossed like X.

  10. Median occipital sclerite, spot (L: 3; CI: 33; RI: 33): (0) absent; (1) present.

  11. Postscutelum (L: 1; CI: 100; RI: 100): (0) present; (1) absent.

  12. Notopleural seta (L: 2; CI: 50; RI: 50): (0) two setae; (1) one seta.

  13. Wing, color pattern (L: 6; CI: 50; RI: 40): (0) hyaline with apical spot (Fig. 5); (1) reticulate (Fig. 6); (2) bicolor (Fig. 7); (3) banded (Fig. 8).

  14. Costal vein (L: 2; CI: 50; RI: 0): (1) ending at vein M; (0) ending before reach vein M.

  15. Costal vein (L: 2; CI: 50; RI: 0): (0) unbroken on Sc; (1) broken on Sc.

  16. Vein R2+3, apical spur vein (L: 1; CI: 100; RI: 100): (0) absent (Figs. 5-7); (1) present (Figs. 8-9).

  17. Vein R4+5, dorsal surface (L: 1; CI: 100; RI: 100): (0) setulose; (1) bare.

  18. Vein M, sclerotization (L: 1; CI: 100; RI: 100): (0) uniformly esclerotized (Figs. 5-8); (1) less sclerotization in front of dm-cu (Fig. 9).

  19. Vein M, in front of dm-cu, position in relation to the vein R₄₊₅ (L: 3; CI: 33; RI: 0): (0) straight (Figs. 5-7); (1) sinuose (Figs. 8-9).

  20. Lower calypter, longitudinal row of hairs (L: 1; CI: 100; RI: 100): (0) absent; (1) present.

  21. Female forefemur, posterior surface, longitudinal groove (L: 1; CI: 100; RI: 100): (0) absent; (1) present (Fig. 10).

  22. Male sternite 5, anterior margin, shape (L: 3; CI: 66; RI: 0): (0) bilobate (Fig. 11); (1) straight (Fig. 12); (2) rounded.

Figures 1-4
Heads: dorsal view of Leptopyrgota juniae Bernardi (1); Carrerapyrgota miliaria Aczél (2); Teretrura tinctipennis Malloch (4); lateral view of Idiopyrgota setiventris Aczél (3). Scales: Fig. 1: 0.5 mm; Figs. 2-3: 1 mm; Fig. 4: 0.25 mm. Fig. 2 modified from Mello et al. (2010Mello, R.L.; Lamas, C.J.E. & Rafael, J.A. 2010. Revision of the Neotropical genus Carrerapyrgota Aczél (Diptera, Pyrgotidae) with the description of two new species. Zootaxa , 2515: 45-64. 10.11646/zootaxa.2515.1.3.
https://doi.org/10.11646/zootaxa.2515.1....
), Fig. 3 modified from Mello & Lamas (2008)Mello, R.L & Lamas, C.J.E. 2008. Review of the monotypic genus Idiopyrgota Aczél (Diptera, Pyrgotidae). Zootaxa, 1817: 59-64. 10.11646/zootaxa.1817.1.6.
https://doi.org/10.11646/zootaxa.1817.1....
.

Figures 5-9
Wings: Leptopyrgota sahlbergiana Frey (5); Stenopyrgota crassitibia Aczél (6); Idiopyrgota setiventris Aczél (7); Carrerapyrgota personata (Lutz & Lima) (8); C. miliaria Aczél (9). Scales: Fig. 5: 2 mm; Figs. 6-9: 1 mm. Fig. 6 modified from Mello & Lamas (2014Mello, R.L & Lamas, C.J.E. 2014. Review of the genera Stenopyrgota Malloch and Tropidothrinax Enderlein (Diptera, Pyrgotidae). Revista Brasileira de Entomologia , 58: 1-6. 10.1590/S0085-56262014000100001.
https://doi.org/10.1590/S0085-5626201400...
), Fig. 7 modified from Mello & Lamas (2008)Mello, R.L & Lamas, C.J.E. 2008. Review of the monotypic genus Idiopyrgota Aczél (Diptera, Pyrgotidae). Zootaxa, 1817: 59-64. 10.11646/zootaxa.1817.1.6.
https://doi.org/10.11646/zootaxa.1817.1....
, Figs. 8-9 modified from Mello et al. (2010)Mello, R.L.; Lamas, C.J.E. & Rafael, J.A. 2010. Revision of the Neotropical genus Carrerapyrgota Aczél (Diptera, Pyrgotidae) with the description of two new species. Zootaxa , 2515: 45-64. 10.11646/zootaxa.2515.1.3.
https://doi.org/10.11646/zootaxa.2515.1....
.

Figures 10-12
Female fore femur, posterior view of Carrerapyrgota aczeli Mello, Lamas & Rafael (10). Male sternite five of C. miliaria Aczél (11); C. aczeli (12). Scales: 1 mm. Figs. 10-12 modified from Mello et al. (2010)Mello, R.L.; Lamas, C.J.E. & Rafael, J.A. 2010. Revision of the Neotropical genus Carrerapyrgota Aczél (Diptera, Pyrgotidae) with the description of two new species. Zootaxa , 2515: 45-64. 10.11646/zootaxa.2515.1.3.
https://doi.org/10.11646/zootaxa.2515.1....
.

The analysis with equal weighting yielded six most parsimonious cladograms, as indicated by the parenthetical notation in Table 2. These cladograms exhibited an L value of 43 steps, CI 62, and RI 60. In all six cladograms, the monophyly of the genus was supported by four synapomorphies: postscutellum absent (11:1), R2+3 with apical spur vein (16:1. Figs. 8-9), lower calypter with a longitudinal row of hairs (20:1), and the presence of a longitudinal groove on the posterior surface of female fore femur (21:1. Fig. 10). Furthermore, all six cladograms, consistently placed C. bernardii and C. miliaria as sister groups, supported by the synapomorphic conditions of vein M being less sclerotized after dm-cu compared to its basal half (18:1. Fig. 9), as well as the homoplasic presence of a spot on the median occipital sclerite (10:1).

Table 2
Parenthetical notation of the seven cladograms most parcimonious obtained using equal and implied weighting with k values from 1-10.

In three of the cladograms, the clade consisting of (C. aczeli, (C. bernardii, C. miliaria)) was supported by the presence of a spot on the frons (2:1. Fig. 2). The strict consensus of the cladograms from the equal weighting analysis, along with Bremer’s Absolute Support analysis, is presents in Fig. 13. The monophyly of the groups obtained in the equal weighting analysis, Carrerapyrgota, and the clade composed of (C. bernardii, C. miliaria), was consistently found in cladograms within two steps of the most parsimonious cladograms (Fig. 13).

Figure 13
Strict consensus cladogram and Absolute Bremer Support of Carrerapyrgota, resulted from analysis with equal weighting of characters.

Analyses with implied weighting produced a total of 25 cladograms, resulted in a single phylogenetic hypothesis for the ingroup and four distinct topologies for the outgroups (Table 2). Table 2 provides the number of cladograms obtained for each K value, along with the corresponding phylogenetic hypotheses from the equal weighting analysis.

The optimal cladogram selected to represent the monophyly of Carrerapyrgota and the phylogenetic hypothesis is decipted in Fig. 15. This cladogram corresponds to one of the most parsimonious cladograms resulting from equal weighting, and seven of the most parsimonious cladograms from analyses with implied weighting using K3-K8, and K10 (Table 2). Adittionally, this cladogram aligns with the classification of the pyrgotids proposed by McAlpine (1990McAlpine, D.K. 1990. The taxonomy position of the Ctenostylidae (= Lochmostylinae; Diptera: Schizophora). Memórias do Instituto Oswaldo Cruz , 84: 365-371. 10.1590/S0074-02761989000800065.
https://doi.org/10.1590/S0074-0276198900...
), concerning the relationship of the outgroup.

Figure 14
Strict consensus cladogram and Relative Bremer Support of Carrerapyrgota, resultant from analysis with implied weighting from K3.

Figure 15
Optimal cladogram selected to represents the evolutionary relationship among the species of Carrerapyrgota. Black circles represents synapomorphies, white circles represents homoplasies.

The strict consensus, along with Bremer’s Relative Support, for the analyses with implied weighting, starting from K3, is presented in Fig. 14. The distribution of characters and their respective states pertaining to the optimal cladogram, are illustrated in Fig. 15.

New occurrences of Carrerapyrgota miliaria (Fig. 16): Argentina, Mendoza, Santa Rosa, Ñacuñán; 30/x/1996; G. Debandi col. 1 female (IADIZA), Mello & Núñez-Campero det. xi/2022. Idem, 18/vii-16/viii/1998. 1 male (IADIZA). Neuquén, Collón Curá; 21/x/1967; M. Gentile col. 1 female (IADIZA), Mello & Núñez-Campero det. xi/2022.

Figure 16
Distribution map of Carrerapyrgota species. n. oc.: new occurrences. Modified from Mello et al. (2010Mello, R.L.; Lamas, C.J.E. & Rafael, J.A. 2010. Revision of the Neotropical genus Carrerapyrgota Aczél (Diptera, Pyrgotidae) with the description of two new species. Zootaxa , 2515: 45-64. 10.11646/zootaxa.2515.1.3.
https://doi.org/10.11646/zootaxa.2515.1....
).

CONCLUSION

The confirmation of the monophyly of Carrerapyrgota provides further support for the synonymy proposed by Bernardi (1990Bernardi, N. 1990. Caracterização do gênero Carrerapyrgota Aczél, 1956 e sinonimização de Anapyrgota Steyskal, 1967 (Diptera, Pyrgotidae). Biotemas, 3(1): 101-104.), which regards Anapyrgota as a junior synonym of Carrerapyrgota. Additionally, the discovery of new occurrences of C. miliaria in Neuquén, Argentina, marks the first record of the Pyrgotinae in the Andean region. This finding expands the distributional range of the subfamily in South America.

ACKNOWLEDGMENTS:

We are very grateful to all curators of the cited collections, which made material available for our study; to the Dr. Alessandre Pereira-Colavite (UFPB), Dr. Danilo Ament (UFLA), Fernando da Silva Carvalho-Filho (MPEG), Dr. Gustavo Graciolli (UFMS), João Paulo Vinicios Rodrigues (UFPR), and to Dr. Segundo Núñez-Campero (CRILAR) for a first revision of the manuscript.

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  • FUNDING INFORMATION:

    Fundação de Apoio ao Desenvolvimento do Ensino, Ciência e Tecnologia do Estado de Mato Grosso do Sul (FUNDECT) (Proc. 71/700.175/2020), fellowship to the first author.

Edited by

Edited by:

Kirstern Lica Follmann Haseyama

Publication Dates

  • Publication in this collection
    10 June 2024
  • Date of issue
    2024

History

  • Received
    03 Feb 2023
  • Accepted
    01 Sept 2023
  • Published
    02 Jan 2024
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