postembryo

From post- +‎ embryo.

postembryo (plural postembryos)

1. A newly-hatched arachnid.
   • 2013, Fred Punzo, Desert Arthropods: Life History Variations:

     The postembryos of most species exhibit long periods of immobility interrupted at lengthy intervals by feeble contractions of the legs and rudimentary mouthparts.

• ombrotypes