ptychonome

English

Etymology

From ptycho- (compare ptychography) + (-)nome, from Ancient Greek πτυχή (ptukhḗ, “fold”) + νομός (nomós, “division”).

Noun

ptychonome (plural ptychonomes)

1. (entomology) An enclosure formed (of leaves) by some organisms of the order Lepidoptera; a tentiform mine.
   • 1962, Hymenoptera reprints: Bradley collection:

     The ptychonome of messaniella containing an Apanteles cocoon is generally recognizable by its large volume, due to an increased maximal distance between the two epidermal layers,

   • 1983, Carl Hildebrand Lindroth, Entomologica Scandinavica:

     Larvae of these three genera all form a tentiform mine or ptychonome (Hering 1951).