. 2020 Feb 20:914:81-125.

doi: 10.3897/zookeys.914.46652. eCollection 2020.

Nomenclatural changes in Centroptella Braasch & Soldán, 1980 (Ephemeroptera, Baetidae)

Nikita J Kluge¹, Roman J Godunko^{2

3}, Marek Svitok^{4

5}

Affiliations

¹ Department of Entomology, Saint Petersburg State University, Universitetskaya nab., 7/9, Saint Petersburg, 199034, Russia Saint Petersburg State University Saint Petersburg Russia.
² Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Branišovská 31, CZ-37005 České Budějovice, Czech Republic Biology Centre of the Czech Academy of Sciences České Budějovice Czech Republic.
³ Department of Invertebrate Zoology and Hydrobiology, University of Łódź, Banacha 12/16, 90237 Łódź, Poland University of Łódź Łódź Poland.
⁴ Faculty of Ecology and Environmental Sciences, Technical University in Zvolen, T. G. Masaryka 24, SK-96001 Zvolen, Slovakia Technical University in Zvolen Zvolen Slovakia.
⁵ Department of Ecosystem Biology, Faculty of Science, University of South Bohemia, Branišovská 1760, CZ-37005, České Budějovice, Czech Republic University of South Bohemia České Budějovice Czech Republic.

PMID: 32132856
PMCID: PMC7046710
DOI: 10.3897/zookeys.914.46652

Nomenclatural changes in Centroptella Braasch & Soldán, 1980 (Ephemeroptera, Baetidae)

Nikita J Kluge et al. Zookeys. 2020.

. 2020 Feb 20:914:81-125.

doi: 10.3897/zookeys.914.46652. eCollection 2020.

Authors

Nikita J Kluge¹, Roman J Godunko^{2

3}, Marek Svitok^{4

5}

Affiliations

¹ Department of Entomology, Saint Petersburg State University, Universitetskaya nab., 7/9, Saint Petersburg, 199034, Russia Saint Petersburg State University Saint Petersburg Russia.
² Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Branišovská 31, CZ-37005 České Budějovice, Czech Republic Biology Centre of the Czech Academy of Sciences České Budějovice Czech Republic.
³ Department of Invertebrate Zoology and Hydrobiology, University of Łódź, Banacha 12/16, 90237 Łódź, Poland University of Łódź Łódź Poland.
⁴ Faculty of Ecology and Environmental Sciences, Technical University in Zvolen, T. G. Masaryka 24, SK-96001 Zvolen, Slovakia Technical University in Zvolen Zvolen Slovakia.
⁵ Department of Ecosystem Biology, Faculty of Science, University of South Bohemia, Branišovská 1760, CZ-37005, České Budějovice, Czech Republic University of South Bohemia České Budějovice Czech Republic.

PMID: 32132856
PMCID: PMC7046710
DOI: 10.3897/zookeys.914.46652

Abstract

The genus Centroptella Braasch & Soldán, 1980 is accepted here in a wide sense, i.e., including Chopralla Waltz & McCafferty, 1987. This genus concept is similar to the concept of the genus Bungona Harker, 1957 proposed by Salles et al. (2016), but with the generic name Centroptella instead of Bungona. The type species of Bungona, B. narilla Harker, 1957, has an unknown systematic position; the neotype designation proposed by Suter and Pearson (2001) is invalid, being inconsistent with the International Code of Zoological Nomenclature; the species name B. narilla and the generic name Bungona are nomina dubia, so the name Centroptella is the senior name for the genus under consideration. The generic names Chopralla and Crassolus Salles, Gattolliat & Sartori, 2016 both are junior synonyms of Centroptella (syn. nov.). The subgenera Bungona, Centroptella and Chopralla proposed by Salles et al. (2016) are unnatural. The following new combinations are proposed: Centroptella bintang (Marle, Salles & Gattolliat, 2016) comb. nov., Centroptella bifida (Shi & Tong, 2019) comb. nov., Centroptella fusina (Tong & Dudgeon, 2003) comb. nov., Centroptella fustipalpus (Lugo-Ortiz & McCafferty, 1998) comb. nov., Centroptella illiesi (Lugo-Ortiz & McCafferty, 1998) comb. nov., Centroptella inzingae (Crass, 1947) comb. nov., Centroptella papilionodes (Marle, Salles & Gattolliat, 2016) comb. nov., Centroptella pontica (Sroka, Godunko & Gattolliat, in Sroka et al. 2019) comb. nov., Centroptella ovata (Shi & Tong, 2019) comb. nov., Centroptella quadrata (Shi & Tong, 2019) comb. nov. and Centroptella saxophila (Agnew, 1961) comb. nov. The two Australian species, C. fustipalpus and C. illiesi, differ from each other in the shape of tergalii; corrections to the original description of C. fustipalpus are given based on re-examination of the holotype and paratypes; details of larval structures of C. illiesi are figured. Corrections to the former descriptions of the South African species C. inzingae and C. saxophila are given. Examination of type material led to the discovery that the original description of the Oriental species Centroptella liebenauae Soldán, Braasch & Muu, 1987 was based on two different species: the descriptions of imago and subimago belong to Centroptella longisetosa Braasch & Soldán, 1980 (the type species of Centroptella), and the description of larva belongs to a different species, which we describe here as Centroptella ingridae sp. nov. The holotype of C. liebenauae, a larva, should be considered lost; based on the date of collection, it belonged to C. longisetosa; a set of larval exuviae with the same collecting data as the holotype, is designated as the neotype of C. liebenauae, and a new synonymy is established: C. longisetosa = C. liebenauae syn. nov. The larvae originally assigned to C. liebenauae are placed to a new species Centroptella ingridae sp. nov. belonging to the inzingae-ingridae species group; all stages of development of this species are described based on male and female imagines reared from larvae in Thailand and on the misidentified paratypes of C. liebenauae from Vietnam. Centroptella longisetosa is redescribed based on the single paratype from China, the neotype and paratypes of C. liebenauae from Vietnam, and additional material from India. Additional data on the holotype of Centroptella colorata Soldán, Braasch & Muu, 1987 are given.

Keywords: India; South Africa; Thailand; Vietnam; mayflies; new species; systematics.

Nikita J. Kluge, Roman J. Godunko, Marek Svitok.

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Figures

**Figures 19–39.**
Asian *Centroptella*. **19–32***C. longisetosa*: (**19–24**) tergalii I–VI of paratype of *C. longisetosa* (25) the same, apex costal rib of tergalius IV (**26–32)** tergalii I–VII of neotype of *C. liebenauae* (actual *C. longisetosa*) **33–39***C. ingridae*, tergalii I–VII of sp. nov.

**Figures 40–48.**
*Centroptella longisetosa*. **40–46** paratype of *C. longisetosa*: (40, 41) left and right mandibles (42) apex of maxilla (**ds1**, **ds2**, **ds3** dentisetae) (43) labrum (44) glossa and paraglossa (ventral view) (45) labium (at left ventral view, at right dorsal view; muscles shown by interrupted lines) (46) maxillary palp 47 the same, neotype of *C. liebenauae* (actually *C. longisetosa*) 48 the same, specimen from India.

**Figures 49–52.**
*Centroptella longisetosa*. **49–51** paratype of *C. longisetosa*: tibiae of fore, middle and hind legs, view from anterior side (bases of long setae shown both on anterior and posterior sides) 52 neotype of *C. liebenauae* (actually *C. longisetosa*): tenth abdominal segment without caudalii, ventral view.

**Figures 53–59.**
Larval exuviae of *Centroptella longisetosa* (neotype of *C. liebenauae*). **53–57** at the same magnification: (53) left half of pro- and mesonotum (54) thoracic pleura, left half of metanotum, fore- and hind legs (55) frons, antenna and labrum (56) tenth uromere and caudalii; (57) abdominal sterna and terga I–IX 58 margins of abdominal sterna IV–VII 59 cercus.

**Figures 60–76.**
Larval exuviae of *Centroptella longisetosa*. **60–75** female, paratype of *C. longisetosa*: (60–68) fragments of abdominal terga II–IX (indicated by Roman numbers) (69) sternum VI (**70–75**) fragments of abdominal sterna IV–IX (indicated by Roman numbers) 76 male, neotype of *C. liebenauae*: fragment of abdominal sternum IX. Arrows on Figs 68 and 76 show median line.

**Figures 77–80.**
Male genitalia of *Centroptella longisetosa*. **77–79** specimens from India: (77) genitalia of imago (78) subimaginal exuviae (79) subimaginal gonostyli crumpled under larval cuticle (80) paratype of *C. liebenauae* (possibly reared from neotype): genitalia of imago.

**Figures 81–82.**
Egg extracted from larva – paratype of *Centroptella longisetosa*.

**Figures 83–89.**
*Centroptella ingridae* sp. nov., larvae. **83–85** specimens from Thailand **86–89** paratypes of *C. liebenauae* (actually *C. ingridae* sp. nov.). Arrows show pair of protuberances on pronotum.

**Figures 90–93.**
*Centroptella ingridae* sp. nov. (holotype). **90–92** tibia of fore, middle and hind leg, view from anterior side (bases of long setae shown both on anterior and posterior sides) 93 tenth abdominal segment without caudalii, ventral view.

**Figures 94–109.**
*Centroptella ingridae* sp. nov. **94–102** fragments of abdominal terga I–IX (indicated by Roman numbers) **103–108** fragments of abdominal sterna IV–IX of male (indicated by Roman numbers) **109** fragment of abdominal sternum IX of female (**94–101** and **103–108** male paratype of *C. liebenauae*; 102 and 109 female specimen from Thailand).

**Figures 110–115.**
*Centroptella ingridae* sp. nov. (paratype of *C. liebenauae*), SEM photos of larva. **110** clypeus **111** pronotum **112–113** abdominal tergum I **114** abdominal tergum III **115** cercus.

**Figures 116–122.**
*Centroptella ingridae* sp. nov. (paratype of *C. liebenauae*), SEM photos of larva. **116** labrum **117** bifurcate setae on abdominal sternum IV **118–119** abdominal sterna IV–VI **120–121** paraprocts **122** flagellum of antenna.

**Figures 123–128.**
*Centroptella ingridae* sp. nov. (specimens from Thailand). **123–124** labium **125** tergalius IV (cr costal rib; mr middle rib; ar anal rib) **126–127** larval claws; **128** egg.

**Figures 129–132.**
*Centroptella ingridae***sp. nov.** (specimen from Thailand), exuviae of larval cercus (lateral view). **129–131** focus on lateral side to show bases of secondary swimming setae; **132** focus on median side to show bases of primary swimming setae.

**Figures 133–137.**
*Centroptella ingridae* sp. nov. (specimens from Thailand). **133–134** female imago **135–137** holotype (male): (**135**) head and thorax of imago (**136**) imaginal middle leg (**137**) subimaginal exuviae of tarsus.

**Figures 138–143.**
*Centroptella ingridae* sp. nov. (specimens from Thailand). **138** abdominal sterna and terga of female imago **139** the same, male imago **140–143** genitalia of male imago (**139–141** holotype).

**Figures 144–148.**
*Centroptella ingridae* sp. nov. (specimens from Thailand). **144–145** left and right mandibles **146** genitalia of male imago **147** their subimaginal exuviae **148** subimaginal gonostyli crumpled under larval cuticle (146–147 holotype).

**Figures 149–152.**
*Centroptella* of group *inzingae-ingridae*. *Centroptella ingridae* sp. nov. (holotype), fore wing **150***Centroptella inzingae* (lectotype), genitalia (gv gonovectis us proximal margin of unistyliger) **151–152***Centroptella saxophila*, gonovectes (specimens reared from larvae by N. Kluge in the Western Cape Province of South Africa).

**Figure 153.**
*Centroptella colorata* (holotype), last instar larva.

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References

1. Agnew JD. (1961) New Baetidae (Ephemeroptera) from South Africa. Novos Taxa Entomológicos 26: 1–18.
1. Braasch D, Soldán T. (1980) Centroptella n. gen., eine neue Gattung der Eintagsfliegen aus China (Baetidae, Ephemeroptera). Reichenbachia 18: 123–127.
1. Crass RS. (1947) The May-flies (Ephemeroptera) of Natal and the Eastern Cape. Annals of the Natal Museum 11(1): 37–100.
1. Dean JC, Suter PJ. (1996) Mayfly nymphs of Australia – A guide to genera. Co-operative Research Centre for Freshwater Ecology (Albury). Identification Guide 7, 82 pp.
1. Dudgeon D. (1984) Seasonal and long-term changes in the hydrobiology of the Lam Tsuen River, New Territories, Hong Kong, with special reference to benthic macroinvertebrate distribution and abundance. Archiv für Hydrobiologie. Supplement 69(1): 55–129.

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Nomenclatural changes in Centroptella Braasch & Soldán, 1980 (Ephemeroptera, Baetidae)

Affiliations

Nomenclatural changes in Centroptella Braasch & Soldán, 1980 (Ephemeroptera, Baetidae)

Authors

Affiliations

Abstract

Figures

References

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