Cynipine
Guides
Nichollsiella
Nichollsiella is a genus of oak cynipid gall wasps described in 2021 from the Nearctic region. The genus comprises three species: N. arizonica, N. sulcata, and N. puigi. As members of the tribe Cynipini, these wasps induce galls on oak trees. The genus was established during a broader taxonomic revision that reorganized several previously described species into new genera based on morphological and molecular data.