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Costa Rica (Atlantic lowlands).
Inhabits wet forest floor; nests in dead wood on ground.
Types Mus. Comp. Zool. Harvard.
etymology Named after the collector, Leeanne E. Tennant-Alonso, myrmecologist and conservationist.
Major: brown, with bicolored head; pilosity dense, with many hairs 1.5-2.0X Eye Length; in dorsal-oblique view, humerus high, descends in continuous nearly flat curve to metanotum; propodeal spines half as long as propodeal basal face preceding them; from
above, postpetiolar node oval and very narrow, only about as wide as petiolar node; dorsal surface of head carinulate except for occiput, frontal triangle, and mid-clypeus; occiput smooth with scattered foveae.
Minor: pilosity very long, some hairs 2X Eye Length; humerus in dorsal-oblique view angulate; propodeal spines moderately long, and thin; occiput narrowed somewhat, its margin concave, lacking nuchal collar. measurements (mm) Holotype major: HW 0.86, HL 0.90, SL 0.46, EL 0.14, PW 0.44. Paratype minor: HW 0.46, HL 0.50, SL 0.44, EL 0.10, PW 0.32.
color Major: rear two-thirds of head, as well as frontal triangle, part of vertex, and midclypeus, dark brown and rest of head dark yellow, as depicted; waist light brown.
Minor: body dark brown; mandibles, funiculi, and tarsi medium yellow, remainder of appendages brownish yellow.
Range Atlantic lowlands of Costa Rica (J. T. Longino 1997); Panama; Colombia; Venezuela; and Amazonian Peru (Tingo Maria).
figure Upper: holotype, major. Lower: paratype, minor. COSTA RICA: La Selva Biological Station, near Puerto Viejo, Heredia (Leeanne E. Tennant-Alonso). Scale bars = 1 mm.
Found most commonly in these habitats: 593 times found in mature wet forest, 191 times found in montane wet forest, 9 times found in CES (700.350 GIS), 8 times found in wet forest, 2 times found in SSO, 1 times found in SSO 1400, 2 times found in SHO 2600, 2 times found in SSA, 5 times found in lowland rainforest, 1 times found in lowland wet forest, ...
Found most commonly in these microhabitats: 580 times ex sifted leaf litter, 111 times Hojarasca, 25 times Sobre Vegetacion, 6 times Primary forest, 7 times Cerca del Refugio Cascante, 6 times Muestras tomada en el transecto de Mini Winkler #2, 5 times Camino toma de Agua, 5 times sifted litter, 1 times at cookie bait, 4 times Frente al refugio hacia el sendero entre M/14 y M/15, 2 times bajo de M/05, ...
Collected most commonly using these methods: 574 times miniWinkler, 101 times Mini Winkler, 35 times Berlese, 24 times Winkler, 25 times Sweeping, 19 times flight intercept trap, 8 times Lure/Bait, 18 times Malaise, 18 times Pitfall, 9 times Search & Berles, 10 times baiting, ...
Elevations: collected from 50 - 800 meters, 198 meters average