Piazurus Schoenherr, 1825: c.586
publication ID |
https://dx.doi.org/10.3897/zookeys.683.12080 |
publication LSID |
lsid:zoobank.org:pub:D7FD86CA-6374-480C-821B-A10C26CDDF32 |
persistent identifier |
https://treatment.plazi.org/id/661E2B05-82DD-5D17-A04B-9E3EE445C8F0 |
treatment provided by |
|
scientific name |
Piazurus Schoenherr, 1825: c.586 |
status |
|
Piazurus Schoenherr, 1825: c.586 Figs 3 View Figures 1–9 , 23 View Figures 19–36 , 60 View Figures 55–66 , 70 View Figures 67–70
Type species.
Poecilma stipitosum Germar, 1824 [by original designation].
Gender.
Masculine.
Diagnosis.
An elongate second funicular article and broad triangular femoral tooth place Piazurus near Pseudopinarus and Pseudopiazurus , and it can be differentiated from them by the longer second abdominal ventrite (which is as long as the third and fourth ventrites when seen from the side) and the protibial apex that bears a premucro. Being a much more diverse genus than Pseudopinarus and Pseudopiazurus , it is easiest to arrive at an identification by a negative identification of those two smaller genera: namely, species of Piazurus never have a carinate vertex of the head (as in many Pseudopinarus ), a strongly impressed first abdominal ventrite (as in Pseudopiazurus ), or a subapical premucro (as in some Pseudopinarus and Pseudopiazurus ) and usually do not have a mesal procoxal process (which is found in most Pseudopinarus and a South American Pseudopiazurus ; it is present at least in Piazurus alternans ).
Notes.
Fiedler (1936) divided Piazurus into seven groups based mainly on the shape of the elytra and the presence, location and shape of elytral tubercules.
Keys .
Fiedler 1936 (Central and South America), Heller 1906: 33 ( Piazurus s. str. of Central and South America), Champion 1906: 9 (Central America).
Phylogenetic relationships.
Of the genera with a broad ventral metafemoral tooth, Piazurus is most similar to Pseudopiazurus with a conical prothorax and lack of a mesal process of the procoxae (though it is present in at least one species of each genus).
Host associations.
Some species have been reared from branches of various genera of Lecythidaceae ( Fassbender 2013, Fassbender et al. 2014). Maes and O’Brien (1990) report Piazurus trifoveatus Champion, 1906 from Coffea L. ( Rubiaceae Juss.) and Costa-Lima (1956: 218) reports a Brazilian species from fruits of Myrtaceae .
Described species.
Nineteen species are known from the focal region and an additional 58 species are exclusive to South America ( Wibmer and O’Brien 1986: 260).
Range.
Mexico, Guatemala, Belize, Honduras, Nicaragua, Costa Rica, Panama; South America.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.