Nebula: a cloud: a vague, indefined, dusky shading.
Nebulous -ose: cloudy: without definite form or outline.
Neck: the slender connecting structure between head and thorax of such insects as have the head free: any contraction of the head at its juncture with the thorax.
Necrophagous: living in or on carrion.
Nectaries: honey-tubes, cornicles, siphuncles; q.v.
Nematid: thread-like.
Nematocera: = nemocera; q. A.
Nematocerous: with long, thread-like antenna.
Nemocera: Diptera with long, at least six-jointed antennae.
Nemoglossata: bees with a thread-like tongue.