Reference sheet / N-Pt diagnostic surface
Lace-Fine Taxonomy
Cyan-grey vein logic traces the wing as a ruled specimen field, leaving one dark pterostigma cell to carry the full weight of emphasis.
NNodus inflection on leading margin
PtOpaque pterostigma diagnostic cell
CuCubital lattice and crossvein count
Plate field 04.16 / single-ink tracing
Scale divisions at 4 mm
Anterior margin
Crossvein count retained
Posterior margin