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USA (Texas) to Colombia. Costa Rica: northwestern lowlands.
Temnothorax subditivus occurs in seasonally dry habitats. It inhabits scrubby vegetation and roadsides, nesting in small dead twigs or other dead plant cavities. Colonies are monogynous.
I have collected this species four times in Costa Rica, as follows:
Santa Rosa National Park, ridge between Playa Naranjo and Nancite: xeric scrub on rocky ridge; nest in dead branch; branch was dry and brittle.
Road from PanAmerican Highway to Monteverde, La Pita to Guacimal (below 500m elevation): three different collections from scrubby roadside vegetation, sweep samples and strays from tree trunks.
I also have collected the species in the Santa Marta region of Colombia. I found a small, monogynous colony under loose bark on a 2-3cm dia dead branch. The area of the nest was no more than 1x2cm. Crematogaster carinata were nesting throughout the same dead branch.
Within Costa Rica there is variation in the strength of sculpture on the face and mesosoma. At the two extremes of variation the face may have a broad medial and posterior shiny portion, or it may be almost entirely punctatorugose.
Found most commonly in these habitats: 6 times found in tropical dry forest, 1 times found in mesic woodland, 1 times found in along river bank, 3 times found in oak maple woodland, 3 times found in roadside vegetation, 3 times found in live oak woodland, 2 times found in tropical dry scrub, 1 times found in Pastures and scrubby second growth vegetation, 1 times found in xeric scrub, 1 times found in dry thorn scrub, ...
Found most commonly in these microhabitats: 10 times ex sifted leaf litter, 4 times at bait, 1 times in dead stems Arundo donax, 1 times nest in dead stick, 1 times Xeric scrub on rocky ridge. Nest in dead branch <.5m high. Branch was dry and br, 1 times nest in dead branch, 1 times hollow twig, 2 times ex Oneidium splendidum, 2 times ex dead twig of undet tree, 2 times dead branch, 1 times nest under bark flap on dead branch, ...
Collected most commonly using these methods: 9 times Winkler, 6 times hand collecting, 2 times maxiWinkler, 4 times baiting, 1 times Colony Collection, 1 times bait, 1 times Berlese funnel, 1 times sweep, 2 times direct collection, 1 times hand collected, 1 times Beating, ...
Elevations: collected from 5 - 3180 meters, 323 meters average
Collect Date Range: collected between 1903-05-15 and 2017-05-11
Type specimens: lectotype of Macromischa flavitaris (top) paralectotype of Macromischa flavitaris (bottom): mczent00016368; lectotype of Macromischa subditiva (middle) paralectotypes of Macromischa subditiva (top and bottom): mczent00016371; paralectotypes of Macromischa flavitarsis: lacment323232, mczent00534455, mczent00534456, usnment00529208, usnment00921847, usnment00921848; paralectotypes of Macromischa subditiva: mczent00578573, mczent00578574; syntype of Temnothorax subditivus: casent0913003