N. Body anatomy.
Thoracic and abdominal
Thoracic vestiture, from left to right: broad flattened scales, narrow
strap-like scales, forked hair-like scales.
Scale tufts, from left to right: body without thoracic or abdominal tufts,
body with a posterior thoracic tuft
(green arrow) and dorsal abdominal tufts (blue arrow), anterior thoracic
tuft, and lateral abdominal tufts.
Metathoracic tymbols (sound producing organs) of an arctiid
Metathoracic tympanum (sound reception organs)
of a noctuid (left) and a notodontid (right).
Metathoraicic tympanum and close-up of
tympanic hood of a hypennine noctuid.