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Types Mus. Comp. Zool. Harvard.
Etymology Named after the Mexican state of origin of the type colony.
diagnosis Pheidole morelosanaHNS is similar in various traits to the species listed in the heading above, distinguished as follows. Major: dark yellow; occiput broad and deep; pilosity dense and very long, many hairs much longer than Eye Length; humerus subangulate in dorsal-oblique view; propodeal spines long, nearly vertical to propodeal basal face in dorsal-oblique view; promesonotal profde flat in side view; postpetiolar node very low in side view and spinose from above; mesosoma entirely foveolate and opaque.
Minor: eye small, oval; all of head and mesosoma foveolate and opaque; petiolar node broad and rounded at apex; postpetiolar node low; occiput broad, its margin concave.
measurements (mm) Holotype major: HW 0.78, HL 0.88, SL 0.42, EL 0.08, PW 0.44. Paratype minor: HW 0.44, HL 0.50, SL 0.42, EL 0.06, PW 0.28.
Color Major: concolorous dark yellow except for antennae and tarsi, which are pale yellow. Minor: concolorous medium yellow except for tarsi, which are pale yellow.
Range Known only from the type locality.
Figure Upper: holotype, major. Lower: paratype, minor. MEXICO: Miacatlan, Morelos (A. B. Hamton). Scale bars = 1 mm.
Found most commonly in these habitats: 7 times found in disturbed riparian veg., 1 times found in Caña de azúcar, 1 times found in Encino-pino, 1 times found in BTC.
Found most commonly in these microhabitats: 5 times at bait, 1 times suelo, debajo de una piedra, 2 times ex sifted leaf litter, 1 times Atun-cebo alimenticio, 1 times suelo, bajo un tocón seco.
Collected most commonly using these methods: 5 times bait, 2 times Directo, 1 times Atún-cebo alimenticio, 2 times Winkler.
Elevations: collected from 870 - 1746 meters, 1108 meters average
Type specimens: paratype Pheidole morelosana: jtlc000016464