Pheidole ambigua, Wilson, E. O., 2003
publication ID |
20017 |
DOI |
https://doi.org/10.5281/zenodo.6275346 |
persistent identifier |
https://treatment.plazi.org/id/14788500-7423-82B7-AE79-7F892D6ED08C |
treatment provided by |
Donat |
scientific name |
Pheidole ambigua |
status |
new species |
Pheidole ambigua HNS new species
Types Mus. Comp. Zool. Harvard.
etymology L ambigua HNS , uncertain, doubtful.
diagnosis A medium-sized member of the tristis HNS group, similar to amata HNS , celaena HNS , fera HNS , germaini HNS , peruviana HNS , rutilana HNS , schwarzmaieri HNS , vomer HNS , and possibly the same as bruchi HNS of Argentina, on the basis of resemblance of the minor (major syntypes of bruchi HNS could not be located in the Forel collection at the time of study). The paratype minor of ambigua HNS differs from a syntype minor of bruchi HNS in its more abundant pilosity, lighter color, and foveolate promesonotal dorsum. Otherwise, ambigua HNS is distinguished within the tristis HNS group by the following combination of traits.
Major: anterior two-thirds of dorsum of head carinulate, remainder smooth and shiny; carinulae on rest of body limited to anterior strip of pronotal dorsum; humerus in dorsal-oblique view moderately prominent and lobose; postpetiole from above diamond-shaped. Minor: pilosity sparse; propodeal spines reduced to denticles; promesonotal profile in dorsal-oblique view smoothly convex; occiput narrowed, with a nuchal collar.
Measurements (mm) Holotype major: HW 1.54, HL 1.74, SL 0.78, EL 0.18, PW 0.72.
Paratype minor: HW 0.56, HL 0.62, SL 0.74, EL 0.40, PW 0.36.
color Major: light reddish yellow.
Minor: body light yellowish brown, appendages yellow.
range Known only from the type locality.
Biology Unknown.
figure Upper: holotype, major. Lower: paratype, minor. BRAZIL: Caraguatatuba Reserva Florestal, Sao Paulo (William L. and Doris E. Brown). Scale bars = 1 mm.
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.
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