Gloeosphex cystidia have a characteristic narrow apex in the shape of an hourglass, surrounded by a droplet. The droplet may partially collapse or disappear, depending on the state of preservation of the specimen, or is occasionally not formed. The hourglass apex is 4-10 x 1.5-4 micrometres. Sometimes more than one hourglass structure can be present at the apex. The body of the cystidium can be clavate, fusiform or lageniform.
Examine the lamellar edge for the presence of gloeosphex cystidia.
Choose this state if: gloeosphex cystidia are absent.
Where droplets are present at the apex of cystidia, but the hourglass shape is absent, choose this option.