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Pheidole tschinkeliHNS new species
Types Mus. Comp. Zool. Harvard.
Etymology Named after the collector and distinguished myrmecologist Walter R. Tschinkel.
diagnosis A member of the diligensHNS group similar to animaHNS, indistinctaHNS, perdiligensHNS, and piceonigraHNS, differing markedly as follows. Major: propodeal spines stout, half as long as the basal propodeal face, and curved posteriorly; antennal scapes just reach the occipital border; mesopleuron and sides of propodeum longitudinally rugulose; postpetiolar node laterally angular; pilosity sparse and long, with some hairs 2X the Eye Length; head bicolorous.
Minor: propodeal spines stout, half as long as the basal propodeal face; mesopleuron longitudinally rugulose; occiput narrowed but lacking nuchal collar.
Measurements (mm) Holotype major: HW 1.04, HL 1.00, SL 0.82, EL 0.20, PW 0.54. Paratype minor: HW 0.56, HL 0.66, SL 0.80, EL 0.04, PW 0.42.
Color Major: head and body dark, almost blackish brown except for genae, which are dark yellow; appendages brownish to medium yellow.
Minor: head and body dark, almost blackish brown; appendages brownish to medium brown.
Range Known only from the type locality.
Biology The nest of the type colony was found in a piece of rotten wood near the Tikal ruins.
Figure Upper: holotype, major. Lower: paratype, minor. GUATEMALA: El Peten Tikal National Park, near ruins (Walter R. Tschinkel). Scale bars = 1 mm.
Found most commonly in these habitats: 69 times found in mesophil forest, 32 times found in disturbed cloud forest, 70 times found in cloud forest, 79 times found in mesophyll forest, 44 times found in ridgetop cloud forest, 23 times found in lowland wet forest, 22 times found in disturbed pine-oak forest, 18 times found in montane wet forest, 15 times found in tropical moist forest, 12 times found in montane rainforest, ...
Found most commonly in these microhabitats: 317 times at bait, 75 times ex sifted leaf litter, 56 times beating vegetation, 6 times nest, 3 times forest litter, 2 times ex dead wood, 1 times at bait on vegetation, 1 times rotten log, 1 times pit fall, 1 times ex rotten wood, 2 times blue pan trap, ...
Collected most commonly using these methods: 316 times Baiting, 56 times Beating, 45 times MiniWinkler, 27 times MaxiWinkler, 14 times search, 4 times Berlese, 2 times Winkler, 1 times pit fall, 2 times blue pan trap, 2 times Malaise, 2 times white pan trap, ...
Elevations: collected from 140 - 1860 meters, 1213 meters average
Type specimens: paratype Pheidole tschinkeli: jtlc000016563