Scotinella fratrella
(Gertsch, 1935)
Scotinella fratrella is a small true spider in the Phrurolithidae, described by Gertsch in 1935. The occurs in North America, with records from the United States and Canada. It belongs to a of ground-dwelling spiders that are generally associated with leaf litter and soil . Very few observations of this species have been documented, reflecting either genuine rarity or cryptic habits.
Pronunciation
How to pronounce Scotinella fratrella: //ˌskoʊ.tɪˈnɛl.lə fræˈtrɛl.lə//
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Identification
Identification to level requires examination of genitalia; external alone is insufficient to distinguish Scotinella fratrella from . The Scotinella comprises small spiders (body length usually under 5 mm) with a somewhat flattened and relatively short legs compared to body size. Members of Phrurolithidae can be separated from similar such as Corinnidae by subtle characters of arrangement and placement, features not visible without magnification.
Habitat
Inferred from -level associations: ground-dwelling, occurring in leaf litter, soil, and possibly under stones or bark. Specific microhabitat preferences for this are undocumented.
Distribution
Recorded from the United States and Canada. Precise range boundaries are unknown due to limited collection records.
Ecological Role
Presumed to function as a small of soil and litter arthropods, as is typical for phrurolithid spiders, though direct observations are lacking.
Human Relevance
No known significance. The is not medically important, not a pest, and has no documented economic or ecological impact.
Similar Taxa
- Scotinella pallidaCongeneric with overlapping North American distribution; distinguished by male and female .
- Phrurolithus spp.Related in the same ; differs in arrangement and pattern on legs.
More Details
Taxonomic note
NCBI lists this under Corinnidae, reflecting historical classification. The species was transferred to Phrurolithidae following phylogenetic revisions that elevated Phrurolithinae to family rank. GBIF, Catalogue of Life, and current arachnological literature recognize Phrurolithidae as the valid family.
Data scarcity
Only 7 observations are recorded in iNaturalist as of the source date, indicating this is a poorly known with limited public documentation.