Taxonomic History (provided by Barry Bolton, 2017)
Overview:
A cryptic inhabitant of leaf litter on the forest floor; known from one specimen from Ecuador.
Distribution:
(based on species list records)
Neotropical Region: Americas,
Ecuador,
Manabí,
South America
Distribution Notes:
Ecuador.
Identification:
Antennal scrobe very shallow, not distinctly margined; face with arcuate carina; frontal carinae extending back and joining termini of facial arc (in
O. convallis,
O. convallisur, and
O. limbifrons, frontal carinae and facial arc do not join, the termini of the facial arc extend laterally beyond the termini of the frontal carinae); facial arc weak, semicircular, frontal carinae short, joining facial arc at level of compound eye (facial arc strong, less semicircular, frontal carinae longer, joining facial arc posterior to compound eye in
O. ascrobis); mesonotal foveolation extending onto dorsal pronotum, weakening anteriorly (mesonotum foveolate, pronotum contrastingly smooth and shining with sparse puncta in
O. ascrobis); HW 0.42 (0.46–0.51 in
O. ascrobis).
Comments:
The name refers to being a small version of
O. ascrobis.
Specimen Habitat Summary
Found most commonly in these habitats: 1 times found in forest.
Found most commonly in these microhabitats: 1 times ex sifted leaf litter.
Collected most commonly using these methods: 1 times Berlese.
Elevations: collected at 450 m
Type specimens: holotype Octostruma ascrobicula Longino 2013: mcz-ent00511413
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