Taxonomic History (provided by Barry Bolton, 2017)
Overview:
A cryptic inhabitant of forest floor leaf litter and rotten wood; known from a single specimen from a Panama cloud forest.
Distribution:
(based on species list records)
Neotropical Region: Americas,
Central America,
Chiriquí,
Panama
Distribution Notes:
Panama.
Biology:
The holotype was collected at a cloud forest site in western Panama, in a Berlese sample of forest floor leaf litter.
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 strongly elevated and continuous to juncture with antennal socket, lateral portions of facial arc as strong as frontal carinae (facial arc weaker, lateral portions weaker than frontal carinae in
O. convallis,
O. convallisur); promesonotum with differentiated anterior and dorsal faces (evenly convex in
O. convallis,
O. convallisur).
Comments:
The name refers to the strong facial arc.
Specimen Habitat Summary
Found most commonly in these habitats: 1 times found in cloud forest.
Found most commonly in these microhabitats: 1 times ex litter u. ferns, 1 times ex sifted leaf litter.
Collected most commonly using these methods: 2 times Berlese.
Elevations: collected from 1160 - 1485 meters, 1322 meters average
Type specimens: holotype Octostruma limbifrons Longino 2013: mcz-ent00511414
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