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Species: Pheidole citrina   Wilson, 2003 

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Taxonomic History (provided by Barry Bolton, 2018)

Pheidole citrina Wilson, 2003A: 401, figs. (s.w.) COSTA RICA. Neotropic. AntCat AntWiki HOL


   (According to curated Geolocale/Taxon lists)
Neotropical Region: Costa Rica, Guatemala, Honduras, Mexico, Nicaragua

Distribution Notes:

Costa Rica (Atlantic lowlands).


Natural History:

Inhabits wet forest leaf litter.

Taxonomic Treatment (provided by Plazi)

Treatment Citation: Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA: Harvard University Press

Pheidole citrinaHNS new species

Types Mus. Comp. Zool. Harvard.

Etymology L citrinaHNS, of citron, referring to yellow body color.

Diagnosis A very small, yellow member of the flavensHNS group whose major is marked by its strongly curved propodeal spine (as though the tip had "melted" backward); long scapes, which reach the occipital comers; all of the sculpturing on the anterior half of the head consisting of longitudinal carinulae, with the posterior half smooth and shiny; and pronotal humerus in dorsal-oblique view rounded. Similar to onyxHNS, but in the major, citrinaHNS has a more curved propodeal spine, far less carinulation on the dorsal head surface, and longer scapes, among other differences. See also the less similar grexHNS and humidaHNS.

Measurements (mm) Holotype major: HW 0.66, HL 0.70, SL 0.54, EL 0.06, PW 0.38.

Paratype minor: HW 0.46, HL 0.50, SL 0.54, EL 0.10, PW 0.28.

Color Major and minor: concolorous yellow.

Range Atlantic lowlands of Costa Rica (Longino 1997).

Biology Collected from leaf litter in wet forest.

figure Upper: holotype, major. Lower: paratype, minor. COSTA RICA: La Selva Biological Station, near Puerto Viejo (M. Byrne). Scale bars = 1 mm.

Specimen Habitat Summary

Found most commonly in these habitats: 114 times found in mature wet forest, 61 times found in montane wet forest, 47 times found in tropical wet forest, 24 times found in tropical rainforest, 3 times found in SSA, 15 times found in tropical rainforest, with some big trees, probably a mix of primary and secondary forest, 1 times found in CES, 11 times found in tropical rainforest, with big trees, probably primary, 2 times found in LOC, 7 times found in wet forest, ...

Found most commonly in these microhabitats: 237 times ex sifted leaf litter, 62 times Hojarasca, 14 times at bait, 2 times Hojarasca., 1 times Bosque Secundario, Suelo, 1 times Bosque Primario, Suelo, 1 times ex sifted leaf litter and rotten wood, 2 times sifted litter, 1 times Del cruce de Cascante hacia el Ceibo, 1 times Cerca de; Cañon del rio Peje hacia Cascante, 1 times bajo de M/05, ...

Collected most commonly using these methods: 192 times miniWinkler, 28 times Winkler, 51 times Mini Winkler, 14 times Berlese, 34 times MaxiWinkler, 14 times Baiting, 2 times search, 2 times flight intercept trap.

Elevations: collected from 50 - 1500 meters, 323 meters average

Type specimens:

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