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 Major Groups | Insecta (insects) | Trichoptera (caddisflies) | Plectrotarsidae | Plectrotarsidae Genus A
 

Genus A

Major Group: Insecta
Order: Trichoptera 
Family: Plectrotarsidae
Genus: Genus A

Descriptive Features:

  • head round
  • antennae located halfway between eye and anterolateral angle of head capsule
  • pronotum clearly wider than long, posterior half with transverse elliptical bulge on each side, the 2 bulges almost meeting at midline
  • prosternum with ventral long, slender horn
  • meso- and metanotum each with 3 pairs of sclerites, metanotum with anterior medial sclerites each bearing 10 seta
  • abdominal segment 1 with 2 pairs of small dorsal sclerites
  • lateral and dorsal humps well developed
  • abdominal segments 1-6 bearing gills
  • abdominal segments 3-8 with lateral fringe of short setae
  • abdominal segment 8 without lateral row of spicules
  • anal claw with 2-3 accessory dorsal teeth
  • Total length: 8 - 12 mm
  • Case: cylindrical, constructed of concentric rings of plant material, usually somewhat untidy with numerous trailing pieces of vegetable material
  • Taxonomic Checklist: (1 undescribed species)

    Distribution: Tas

    Functional Feeding Group: shredders

     

    Dobson Lake (secondary pond) at Mt Field NP, Tas

     

    Information Sources: Dean 2000