Opinion 1644. Culex stigmatosoma Dyar, 1907 and C. thriambus Dyar, 1921 (Insecta, Diptera): specific names conserved

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith