The following list of genera and species were named after John Chemsak.
Coleoptera
Acmaeodera chemsaki Barr 1992 (Buprestidae)
Antodice chemsaki McCarty 2006 (Cerambycidae)
Apriona chemsaki Hsu 1986 (Cerambycidae)
Baryssinus chemsaki Monne 1985 (Cerambycidae)
Canidia chemsaki Wappes & Lingafelter 2005 (Cerambycidae)
Championa chemsaki Martins & Napp 1992 (Cerambycidae)
Chemsakia Linsley 1967 (Cerambycidae)
Chemsakiellus Villiers 1982 (Cerambycidae)
Clytus chemsaki Hovore & Giesbert 1974 (Cerambycidae)
Coleomethia chemsaki Hovore 1987 (Cerambycidae)
Colobothea chemsaki Giesbert 1979 (Cerambycidae)
Derobrachus chemsaki Santos-Silva 2007 (Cerambycidae)
Desmiphora chemsaki Giesbert 1998 (Cerambycidae)
Eburia chemsaki Noguera 2002 (Cerambycidae)
Gymnopsyra chemsaki Linsley 1963 (Cerambycidae)
Linsleyonides chemsaki Skiles 1985 (Cerambycidae)
Liopinus (Sternidius) chemsaki Lewis 1977 (Cerambycidae)
Megachoriolaus chemsaki Linsley 1970 (Cerambycidae)
Neocompsa chemsaki Martins 1970 (Cerambycidae)
Oreodera chemsaki McCarty 2001 (Cerambycidae)
Parozodera chemsaki Hudepohl 1985 (Cerambycidae)
Psyrassa chemsaki Toledo 2002 (Cerambycidae)
Spalacopsis chemsaki Tyson 1973 (Cerambycidae)
Strangalidium chemsaki Giesbert 1997 (Cerambycidae)
Pyropyga chemsaki Zaragoza 1993 (Lampyridae)
Plateros (Paraplateros) chemsaki Zaragoza 1999 (Lycicdae)
Diptera
Liriomyza chemsaki Spencer 1981 (Agromyzidae)
Lepidoptera
Ethmia chemsaki Powell 1959 (Gelechioiodea)
Euheliodines chemsaki Hsu 2005 (Heliodinidae)
Eremanthe chemsaki Munroe 1972 (Pyralidae)
Anopina chemsaki Brown & Powell 2000 (Tortricidae)
Carolella chemsakiana Razowski 1986 (Tortricidae)
Hemiptera
Aradiolus chemsaki Kormilev 1980 (Aradidae)
Mezira chemsaki Kormilev 1982 (Aradidae)
Maduranoides chemsaki Brailovsky 1988 (Coreidae)
Lophoscutus chemsaki Kormilev 1984 (Phymatidae)
Lysenicocephalus chemsaki Wygodzinsky & Schmidt 1991 (Enicocephalomorpha)
Hymenoptera
Perdita chemsaki Timberlake 1980 (Andrenidae)
Heterosarus chemsaki Timberlake 1975 (Apoidea)
Tiphia chemsaki Allen 1971 (Tiphiidae)