Taxonomic History (provided by Barry Bolton, 2017)
Overview:
A cryptic inhabitant of forest floor leaf litter and rotten wood; known from one lowland rainforest site in Amazonian Colombia.
Distribution:
(based on species list records)
Neotropical Region: Amazonas,
Americas,
Colombia,
South America
Distribution Notes:
Colombia.
Biology:
The type series is from lowland Amazonian rainforest, in a Berlese sample of forest floor litter.
Identification:
Face lacking transverse arcuate carina; basal five teeth of mandible acute; labrum longer than wide, sides nearly parallel, apex bluntly rounded, not bilobed; face densely punctate; ground pilosity of face, dorsal promesonotum, and first gastral tergite conspicuous, composed of thin, yellow, suberect and strongly curved setae, giving dorsum a scruffy or wooly appearance; pair of long filiform setae projecting from petiolar peduncle anterior to spiracle, shorter filiform setae projecting from sides of postpetiole and anteromedian first gastral sternite (these filiform setae otherwise only known in
O. iheringi).
Comments:
The name refers to the wooly ground pilosity.
Specimen Habitat Summary
Found most commonly in these habitats: 1 times found in forest.
Found most commonly in these microhabitats: 1 times leaf litter.
Collected most commonly using these methods: 1 times berlese.
Elevations: collected at 75 m
Type specimens: holotype Octostruma pexidorsum Longino 2013: mcz-ent00511319; paratype Octostruma pexidorsum Longino 2013: mcz-ent00511314, mcz-ent00511315, mcz-ent00511316, mcz-ent00511317, mcz-ent00511318, mcz-ent00511320, mcz-ent00511321, mcz-ent00511322
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