FEATURES:

 

COMMON NAME:

  • Riffle Beetles

MORPHOLOGY:

  • Size is about 4.5mm long
  • (Thorp, 1991 pg.623)
  • Filiform or slightly clubbed antennae
  • Sclerotized larvae are elongated
  • Ventral causal operculum that closes a chamber containing hooks and numerous filamentous gills
  • (Thorp, 1991 pg.623)

FUNCTIONAL FEEDING GROUP:

  • Collectors, gathers, scrapers, herbivorous, and detritovors
  • (Merritt and Cummins pg. 228 and Thorp, 1991 pg.623)