sphecid

from The Century Dictionary.

• noun A member of the hymenopterous family Sphecidæ.
• Having the characters of or belonging to the family Sphecidæ.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective of or pertaining to the Sphecidae family of wasps
• adjective of or pertaining to those wasps formerly classified in the Sphecidae before the discovery that bees belong to that group (now known as the order Apoidea); the members of the current Apoidea that aren't bees, including other families such as the Crabronidae.
• noun A wasp in the Sphecidae family.