neala Jugal area of the wing.
necrotising archnidism Progressive ulceration and loss of skin around the site of a bite by a number of araneomorph spider species. Its cause is uncertain and for this reason no fully effective treatments are available at the present time.
nodus Kink or notch on the costal region of a dragonfly wing, also used for the cross vein just behind the notch.
notaulix (notauli) One of the longitudinal grooves on the mesonotum of certain hymenopterans (Ampulicinae)
notopleural suture. Suture separating the external propleuron from the pronotum; occurring in most Archostemata, Adephaga and Myxophaga.
notopleuron Triangular region in certain diptera behind the humeral callus.
notosternal suture. Suture separating the prosternum from the pronotum.
notum The dorsal surface of a thoracic segment.
nymph Young stages in hemimetabolous insects