Isoperla grammatica


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  - Order Plecoptera
  - Family Perlodidae
  - Genus Isoperla
  - Species grammatica   Register new user or reset password

The yellow sally (Isoperla grammatica) is an important stonefly for the fly angler, it hatches often in big numbers

Its flying period spans from April to August

Ventral view

Dorsal view detail, notice the typical horseshoe pattern on the head

Detail of the thorax, head and feeding apparatus, ventral view

Abdomen and cerci, ventral view