Stactobiella
Martynov, 1924
Stactobiella is a of micro- in the Hydroptilidae, established by Martynov in 1924. The genus includes found across Europe and Asia, with larval stages inhabiting aquatic environments and constructing protective cases. males possess distinctive genitalia used for species identification. Larvae can be distinguished from congeneric species by specific morphological traits including the shape of basal spurs on tarsal claws and capsule setae length.
Pronunciation
How to pronounce Stactobiella: /stak.toʊ.biˈɛl.lə/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
males identified by genitalia , particularly the structure of inferior appendages. Larvae distinguished from by examining tarsal claw basal spur shape and measuring the longest seta on the capsule. Case morphology similar to other Stactobiella and not diagnostic alone.
Habitat
Larval stage aquatic, inhabiting rivers. Documented from Bistrica e Shalës River (Ibër basin) and Mirusha River (Drini i Bardhë/White Drin basin) in Kosovo, and from riverine in Japan.
Distribution
Europe and Asia. Documented from Kosovo (first record for Ecoregion 5, Dinaric Western Balkans), Japan, and Russian Far East. Previously known from few European localities.
Life Cycle
Mature larva constructs case. Complete developmental sequence not documented in available sources.
Behavior
Larva constructs protective case similar to those of congeneric .
Ecological Role
Member of aquatic insect fauna; contributes to biodiversity of micro-caddisfly in riverine .
Similar Taxa
- HydroptilaBoth are micro-caddisfly in Hydroptilidae; distinguished by larval and male genitalia structure
- Other Stactobiella speciesLarvae distinguished by basal spur shape of tarsal claws and length of longest capsule seta; distinguished by male genitalia
More Details
Taxonomic notes
Stactobiella risi shows possible geographical variation in male genitalia , with Kosovan specimens having less apically elongated inferior appendages in lateral view compared to other .
Research gaps
Larval diet, complete timing, pupal , and detailed requirements remain undocumented in accessible literature.
Sources and further reading
- BugGuide
- GBIF taxonomy match
- iNaturalist taxon
- NCBI Taxonomy
- Catalogue of Life
- An unexpected discovery of Stactobiella risi (Felber, 1908) (Trichoptera, Hydroptilidae) in Kosovo with notes on its habitat
- Descriptions of a new species of Hydroptila Dalman and the mature larva of a species of Stactobiella Martynov from Japan (Trichoptera, Hydroptilidae)