scalpeliform

From scalpel +‎ -iform.

scalpeliform (comparative more scalpeliform, superlative most scalpeliform)

1. (entomology) Scalpel-shaped.
   • 1965 September, Herbert Ruckes, “Several New Genera and Species of Discocephaline Pentatomids (Heteroptera: Pentatomidae)”, in Journal of the New York Entomological Society, volume LXXIII, number 3, New York, N.Y.: New York Entomological Society, →ISSN, →JSTOR, →OCLC, page 123:

     Ostiolar peritreme elevated, scalpeliform, apex ending abruptly near middle of metapleuron.