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Orthoptera Species File
species

Tetrixocephalus willemsei Gurney & Liebermann, 1963

Tetrixocephalus willemsei Gurney & Liebermann, 1963: female. (Otu).
Tetrixocephalus willemsei Gurney & Liebermann, 1963: female. (Otu).
Tetrixocephalus willemsei Gurney & Liebermann, 1963: male. (Otu).
Tetrixocephalus willemsei Gurney & Liebermann, 1963: Fig. 30. male, head, frontal view. (Otu).
Tetrixocephalus willemsei Gurney & Liebermann, 1963: Fig. 28. male, head and pronotum, dorsal view. (Otu).
Tetrixocephalus willemsei Gurney & Liebermann, 1963: Fig. 29. male, head and pronotum, lateral view. (Otu).
Tetrixocephalus willemsei Gurney & Liebermann, 1963: Fig. 31. female, head and pronotum, dorsal view. (Otu).
Tetrixocephalus willemsei Gurney & Liebermann, 1963: Fig. 32. female, head and pronotum, lateral view. (Otu).
Tetrixocephalus willemsei Gurney & Liebermann, 1963: Fig. 19. spermatheca. (Otu).
Tetrixocephalus willemsei Gurney & Liebermann, 1963: Fig. 18. male subgenital plate. (Otu).
Tetrixocephalus willemsei Gurney & Liebermann, 1963: Fig. 37. cingulum and endophallus, lateral view. (Otu).
Tetrixocephalus willemsei Gurney & Liebermann, 1963: Fig. 38. cingulum and endophallus, dorsal view. (Otu).
Tetrixocephalus willemsei Gurney & Liebermann, 1963: Fig. 39D. epiphallus, caudal view. (Otu).
Tetrixocephalus willemsei Gurney & Liebermann, 1963: Fig. 39A. epiphallus, cephalic view. (Otu).
Tetrixocephalus willemsei Gurney & Liebermann, 1963: Fig. 39C. epiphallus, dorsal view. (Otu).
Tetrixocephalus willemsei Gurney & Liebermann, 1963: Fig. 39B. Epiphallus (lateral view). (Otu).
Tetrixocephalus willemsei Gurney & Liebermann, 1963: Fig. 35. Epiphallus, ectophallus and aedeagus apex (dorsal view). (Otu).
Tetrixocephalus willemsei Gurney & Liebermann, 1963: Fig. 36. epiphallus, ectophallus and aedeagus apex, lateral view. (Otu).
CollectionObject 1597693; 71684269-43f5-49ac-94b0-3c4f0c45e77c: Image Carbonell, C.S. female, lateral view (allotype). (CollectionObject).
CollectionObject 1597693; 71684269-43f5-49ac-94b0-3c4f0c45e77c: Image Carbonell, C.S. label (allotype). (CollectionObject).

Nomenclature (7)

  • Tetrixocephalus willemsei Gurney & Liebermann, 1963: 131.

    Holotype; male; 2159a595-b9c3-41ac-ad76-478f0406e332; deposited at: National Museum of Natural History, Smithsonian Institution (USNM); Argentina: Neuquén: Zapala: Laguna Blanca

  • Tetrixocephalus willemsei Gurney & Liebermann, 1963 in Ronderos, 1970: 30.
  • ... Show all ... (3)
  • Tetrixocephalus willemsei Gurney & Liebermann, 1963 in Montemayor, Melo, Scattolini, Pocco, del Río, Dellapé, Scheibler, Roig, Cazorla & Dellapé, 2017
  • Tetrixocephalus willemsei Gurney & Liebermann, 1963 in Hemp, Ritchie, Cigliano, Heller, Warchalowska-Sliwa, Grzywacz, Linde, Uluar, Oumarou-Ngoute & Song, 2025: 492.

Nomenclature references (7)

  • Gurney, A.B. & Liebermann, J. (1963) Grasshoppers of the tribe Ommexechini: a key to genera, a new Argentine genus, and notes on others (Orthoptera: Acrididae). Proceedings of the Biological Society of Washington, 76, 127–138. Available at http://www.biodiversitylibrary.org/item/107599#page/151/mode/1up
  • Hemp, C., Ritchie, J.M., Cigliano, M.M., Heller, K.-G., Warchalowska-Sliwa, E., Grzywacz, B., Linde, J.B., Uluar, O., Oumarou-Ngoute, C. & Song, H. (2025) Out of sight, out of mind? Ixalidiidae, a new family of African forest grasshoppers (Orthoptera, Acridoidea) revealed by molecular phylogenetics and genital morphology. Zoosystema, 47(24), 489–553. https://doi.org/10.5252/zoosystema2025v47a24
  • ... Show all ... (3)
  • Mesa, A. (1973) Los cromosomas de algunas especies de acridios y proscópidos chilenos. Trabajos del V Congreso Latinoamericano de Zoologia, 1, 150–161.
  • Montemayor, S.I., Melo, M.C., Scattolini, M.C., Pocco, M.E., del Río, M.G., Dellapé, G., Scheibler, E.E., Roig, S.A., Cazorla, C.G. & Dellapé, P.M. (2017) The fate of endemic insects of the Andean region under the effect of global warming. PLOS One, 12(10 e0186655). Available at http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0186655
  • Ronderos, R.A. (1970) Dos nuevas especies del género Tetrixocephalus Gurney y Liebermann (Orthoptera: Acrididae, Ommexechinae). Revista de la Sociedad Entomológica Argentina, 32(1-4), 23–33. Available at http://www.biotaxa.org/RSEA/article/view/41970
  • Ronderos, R.A. (1974) Notas para una revisión de la subfamilia Omexechinae. 5. Los géneros Calcitrena Eades y Tetrixocephalus Gurney & Liebermann (Orthoptera: Acrididae, Omexechini). Acrida, 3(3), 205–221.
  • Ronderos, R.A. (1979) La familia Ommexechidae (Orthoptera: Acridoidea). Acrida, 8(4), 241–273.

Descendants and synonyms

Gender, form, and etymology
Etymology:

Named for the late friend of the authors, C.J. M. Willemse (1889–1962) of Eygelshoven, The Netherlands, a devoted student of Orthoptera, notably the Acridoidea of Southeastern Asia.

Stats

Summary of taxonomic names by rank, showing valid extant names, fossil names, invalid names, and total counts.
Taxon Valid names
Rank Extant Fossil Invalid Total
species1001