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J. Longino, 6 Nov 2021: Wilson's species chrysops (Brazil, Pará), midas (Trinidad), perryorum (Brazil, Sao Paulo), and veletis (Bolivia) all look like Forel's rochai (Brazil, Ceará) to me. The measurements overlap, and the images look very similar.
Types Mus. Comp. Zool. Harvard.
Etymology Gr Midas, mythical king whose touch turned everything to gold; with reference to the color of the workers.
Diagnosis A small yellow member of the fallaxHNS group characterized by the following combination of traits. Major: head heart-shaped; pilosity over all of body, and especially clypeus, mesosoma, waist, and gaster, very long, dense, and erect to suberect; a large-celled patch of rugoreticulum present to the side and behind each antennal fossa; carinulae on head and body almost entirely limited to the anterior half of the head, with most of the frontal lobes bare.
Minor: occiput broad, lacking nuchal collar; pilosity very long and mostly erect to suberect; only carinulae present are the circular ones around the antennal fossae, and foveolation is limited to the meso- and metathorax and propodeum, with the rest of the body smooth and shiny.
Similar to aenescensHNS, alienataHNS, bergiHNS, chrysopsHNS, cordicepsHNS, and nesiotaHNS, as described and illustrated. Measurements (mm) Holotype major: HW 0.92, HL 0.88, SL 0.74, EL 0.14, PW 0.46. Paratype minor: HW 0.50, HL 0.62, SL 0.70, EL 0.10, PW 0.34. Color Major and minor: concolorous medium yellow.
Range Known from the type locality (Trinidad) as well as series from Panama, Colombia, Brazil (Para), Peru, and Ecuador.
Biology Stefan Cover collected the type colony from a nest in a rotting stick on the floor of montane rainforest.
Figure Upper: holotype, major. Lower: paratype, minor. TRINIDAD: Aripo Ridge, Arima Valley, 550-650 m (Stefan Cover and Mark W. Moffett). Scale bars = 1 mm.
Found most commonly in these habitats: 2 times found in wet forest, 1 times found in riparian dry forest, 1 times found in TerraFirme.
Found most commonly in these microhabitats: 1 times ex sifted leaf litter, 1 times LeafLitter, 1 times ex sifted litter, 1 times leaf litter.
Collected most commonly using these methods: 2 times Winkler, 2 times 30 x 30 cm winkler (litter + 2 cm of soil), 1 times Winkler48h, 1 times Berlese.
Elevations: collected from 31 - 521 meters, 178 meters average
Collect Date Range: collected between 1988-05-18 and 2017-04-21