Dryocosmus rileyi
Kokkocynips rileyi is a species of gall wasp in the family Cynipidae. K. rileyi has two structures; a gall body and a kapello. The kapello. is a fatty lipid rich appendage that attracts ants for gall dispersal, similar to myrmecochorous seeds.
Previously in the genus Dryocosmus, but rearranged into Kokkocynips.