Orizabus isodonoides Fairmaire, 1878
publication ID |
https://doi.org/ 10.5281/zenodo.5160884 |
persistent identifier |
https://treatment.plazi.org/id/03BA87C3-BC49-FF88-F9E9-FD2494526B1D |
treatment provided by |
Felipe |
scientific name |
Orizabus isodonoides Fairmaire |
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Orizabus isodonoides Fairmaire
Fig. 7 View Figures 5-7 , 18, 19 View Figures 16-19 , 23, 24 View Figures 20-25
Orizabus isodonoides Fairmaire 1878: 263 ; Horn 1885: 125, Endrödi 1969: 86, 1985: 244,
Morón 1981: 135, Delgado and Deloya 1990: 305, Morón et al. 2003: 7, Delgado 2008:56, Ratcliffe and Cave 2010: 1. Type. Lectotype male (MNHN) here designated; labeled “Toluca [T] // Type [T] // Orizabus isodonoides Fair. [H] // Mexico / Salle coll. [T] // Orizabus / isodonoides / apud Sallé Fairm.[H] // H.W.Bates / Biol. Cent. Amer.[T] // museum Paris / ex coll. / R. Oberthur[T, blue label] // syntype [T, red label] // LECTOTYPE [T] / Orizabus / isodonoides / Fairmaire / des. W. B. Warner[H, red label]”. Fairmaire apparently described this species from a series of specimens based on the measurements he gave (“—Long. 14 à 16 mill.”); however, the lectotype is the only syntype I examined.
Cheiroplatys isodonoides, Bates 1888: 322 , Fall 1905: 272, Saylor 1946: 18.
Orizabus (Aztecalius) isodonoides, Casey 1915: 228 .
Remarks. Saylor’s (1946) record of Orizabus isodonoides Fairmaire from Colorado is suspect, and so is not included in the key above. I have not been able to locate this specimen in the USNM nor in the Saylor material at CASC, and do not believe the species occurs north of Mexico. Because Saylor based the record on a single female, and specifically mentioned “the two large and entire clypeal carinae are distinctive,” it is probable that he misidentified a specimen of O. mcclevei (e.g. compare Fig. 15 View Figures 12-15 and 19 View Figures 16-19 ), or a worn specimen of O. pyriformis . If O. isodonoides does indeed occur in the US, it can be told from other species by its distinct, transverse frontoclypeal carina (instead of tubercle) even in fresh specimens ( Fig. 7 View Figures 5-7 ), uni- or bisinuate dorsal margins of the male protibiae (tibiae with two or three weak lobes), different pronotal shape ( Fig. 18, 19 View Figures 16-19 ), broader, subovate (in apical view) antennal lamellae, and in males (all but the very smallest individuals), a noticeable anteromedial pronotal tubercle that is separate from the anterior marginal bead ( Fig. 7 View Figures 5-7 , 18 View Figures 16-19 ), as well as the paramera ( Fig. 23, 24 View Figures 20-25 ). The anterior marginal bead is not angularly wider at the middle, and in males (and some females) a broad depression is usually evident behind the pronotal tubercle.
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Orizabus isodonoides Fairmaire
Warner, William B. 2011 |
Orizabus (Aztecalius) isodonoides
Casey, T. L. 1915: 228 |
Cheiroplatys isodonoides
Saylor, L. W. 1946: 18 |
Fall, H. C. 1905: 272 |
Orizabus isodonoides
Endrodi, S. 1985: 244 |
Endrodi, S. 1969: 86 |
Horn, G. H. 1885: 125 |
Fairmaire, L. 1878: 263 |