Taxonomic History (provided by Barry Bolton, 2017)
Overview:
A cryptic inhabitant of forest floor leaf litter and rotten wood; Panama and Colombia.
Distribution:
(based on species list records)
Neotropical Region: Americas,
Central America,
Chiriquí,
Colombia,
Colón,
Meta,
Panama,
South America
Distribution Notes:
Panama, Colombia.
Biology:
The type series was collected at a site in the mountains of western Panama, presumably cloud forest (1550 m elevation), in "debris at base of stump." A worker was collected in forest floor leaf litter on Barro Colorado Island. The Colombia queen was collected in a forest litter Berlese sample, at a mid-elevation wet forest site (1000 m).
Identification:
Antennal scrobe very shallow, not distinctly margined; face with arcuate carina; frontal carinae and facial arc separated, the termini of the facial arc extend laterally beyond the termini of the frontal carinae (termini of facial arc join frontal carinae in
O. ascrobis,
O. ascrobicula); facial arc not strongly elevated, becoming irregular and somewhat weaker laterally, frontal carinae stronger than lateral portions of facial arc (facial arc strong throughout, much stronger than frontal carinae in
O. limbifrons); promesonotal dorsum uniformly foveolate (pronotum smooth and shiny, differentiated from foveolate mesonotum in
O. convallis).
Comments:
The name refers to it being a southern version of
O. convallis.
Specimen Habitat Summary
Found most commonly in these habitats: 2 times found in forest.
Found most commonly in these microhabitats: 1 times debris at base of stump, 1 times litter, 1 times forest floor leaf litter.
Collected most commonly using these methods: 1 times berlese.
Elevations: collected from 100 - 1550 meters, 1150 meters average
Type specimens: holotype Octostruma convallisur Longino 2013: mcz-ent00511411; paratype Octostruma convallisur Longino 2013: mcz-ent00511410, mcz-ent00511415
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