| Antonina bambusae (Khalid & Shafee, 1988) | ⇒ Antonina crawi Cockerell, 1900 |
| Antonina crawi Cockerell, 1900 | Cottony Bamboo Mealybug |
| Antonina crawii (Cockerell, 1900) | ⇒ Antonina crawi Cockerell, 1900 |
| Antonina diversiglandulosa Gavrilov-Zimin, 2016 | |
| Antonina elongata Tang, 1992 | |
| Antonina graminis (Maskell, 1897) | ⇒ Antoninoides parrotti Cockerell in..., 1903 |
| Antonina indica (Green, 1908) | ⇒ Antonina panica Hall, 1925 |
| Antonina indica panica (Hall, 1937) | ⇒ Antonina panica Hall, 1925 |
| Antonina littoralis Cockerell & ..., 1930 | |
| Antonina maai Williams & M..., 2002 | |
| Antonina maritima Ramakrishna ..., 1919 | |
| Antonina meghalayaensis Khalid & Shafee, 1988 | |
| Antonina milleri Williams, 0 | |
| Antonina nakaharai Williams & M..., 2002 | Nakahara grass mealybug |
| Antonina natalensis Brain, 1915 | |
| Antonina panica Hall, 1925 | False-brome scale |
| Antonina parrotti (Cockerell in..., 1903) | ⇒ Antoninoides parrotti Cockerell in..., 1903 |
| Antonina pretiosa Ferris, 1953 | Noxious Bamboo Mealybug |
| Antonina purpurea (Signoret, 1875) | ⇒ Antonina panica Hall, 1925 |
| Antonina sandakanae Williams, 0 | |
| Antonina socialis (Newstead, 1901) | ⇒ Antonina crawi Cockerell, 1900 |
| Antonina tesquorum Danzig, 1971 | |
| Antonina thaiensis Takahashi, 1942 | |
| Antonina transcaucasica Borchsenius, 1949 | |
| Antonina vera Borchsenius, 1956 | |
| Antonina zonata Green, 1919 | |
| Cannococcus cannicola Borchsenius, 1960 | |
| Cannococcus ostiolata (Tang, 1992) | ⇒ Miscanthicoccus miscanthi Takahashi, 1928 |
| Cannococcus palauensis Beardsley, 1966 | |
| Chaetococcus bambusae Maskell, 1893 | Bamboo Mealybug |
| Chaetococcus graminis Maskell, 1898 | |
| Chaetococcus phragmitis Marchal, 1909 | Bog-reed Scale |
| Chaetococcus sulcii Green, 1934 | False-brome scale |
| Chaetococcus turanicus Borchsenius, 1949 | |
| Chorizococcus alami Khalid & Shafee, 1988 | |
| Chorizococcus brevicruris (Mckenzie, 1960) | ⇒ Vryburgia brevicruris Mckenzie, 1960 |
| Chorizococcus graminis Khalid & Shafee, 1988 | |
| Chorizococcus kandyensis Green, 1922 | |
| Chorizococcus parietaricola Bodenheimer, 1943 | |
| Chorizococcus rostellum Lobdell, 1930 | Bermuda Grass Mealybug |
| Chorizococcus scorzonerae Tang, 1992 | |
| Chorizococcus sorghi Williams, 1970 | |
| Chorizococcus zoysiae Tsai, 2011 | |
| Criniticoccus palmae Lit, 1992 | |
| Crisicoccus azaleae Tinsley, 1898 | Azalea mealybug |
| Crisicoccus chalepus Williams, 1960 | |
| Crisicoccus chiponensis Takahashi, 1939 | |
| Crisicoccus coreanus Kanda, 1941 | |
| Crisicoccus delottoi Ezzat, 1959 | |
| Crisicoccus dischidiae Takahashi, 1951 | |
| Crisicoccus fisci Khalid & Shafee, 1988 | |
| Crisicoccus guwahatiensis Khalid & Shafee, 1988 | |
| Crisicoccus juniperus Tang, 1988 | |
| Crisicoccus mangrovicus Ben-Dov, 1975 | |
| Crisicoccus matesovae Danzig, 1986 | |
| Crisicoccus matsumotoi Siraiwa, 1935 | |
| Crisicoccus moricola Tang, 1988 | |
| Crisicoccus orchidiradicis Takahashi, 1951 | |
| Crisicoccus pilosus Ezzat & McCo..., 1956 | |
| Crisicoccus pini Kuwana, 1902 | Japanese pine mealybug |
| Crisicoccus seruratus Kanda, 1933 | |
| Crisicoccus theobromae Williams & W..., 1988 | |
| Dysmicoccus aciculus Ferris, 1950 | Comstock mealybug |
| Dysmicoccus angustifrons Hall, 1926 | |
| Dysmicoccus angustus Ezzat & McCo..., 1956 | Narrow mealybug |
| Dysmicoccus badachshanicus Nurmamatov, 1978 | |
| Dysmicoccus boniansis (Ali, 1970) | ⇒ Dysmicoccus boninsis Kuwana, 1909 |
| Dysmicoccus boninsis Kuwana, 1909 | Citrophilus mealybug |
| Dysmicoccus brevipens | |
| Dysmicoccus brevipes Cockerell, 1893 | Chanchito Blanca De La Pina |
| Dysmicoccus cameronensis Takahashi, 1951 | |
| Dysmicoccus carens Williams, 1970 | |
| Dysmicoccus castanopseus | |
| Dysmicoccus cocotis Maskell, 1890 | Pacific coconut mealybug |
| Dysmicoccus comitatus Williams & W..., 1988 | |
| Dysmicoccus cucurbitae Avasthi & Sh..., 1986 | |
| Dysmicoccus dengwuensis Ferris, 1954 | |
| Dysmicoccus finitimus Williams, 1994 | Asian coconut mealybug |
| Dysmicoccus glandularis Bazarov, 1977 | |
| Dysmicoccus grassii Leonardi, 1913 | Mealybug |
| Dysmicoccus innermongolicus Tang, 1988 | |
| Dysmicoccus jizani Matile-Ferrero, 1984 | |
| Dysmicoccus kaiensis Kanda, 1932 | |
| Dysmicoccus kazanskyi Borchsenius, 1937 | |
| Dysmicoccus kozari Pellizzari &..., 1996 | |
| Dysmicoccus lavandulae Germain, Mat..., 2015 | |
| Dysmicoccus lepelleyi | |
| Dysmicoccus mackenziei Beardsley, 1965 | Mckenzie Mealybug |
| Dysmicoccus multivorus (Koteja & Zak..., 1979) | ⇒ Trionymus multivorus Kiritchenko, 1936 |
| Dysmicoccus neobrevipes Beardsley, 1959 | Annona Mealybug |
| Dysmicoccus oryzae Wirjati, 1959 | |
| Dysmicoccus patulae Rau, 1938 | |
| Dysmicoccus pauper Danzig, 1971 | |
| Dysmicoccus pietroi Marotta, 1992 | |
| Dysmicoccus psoraleae Russo & Mazzeo, 1997 | |
| Dysmicoccus shintenensis Takahashi, 1934 | |
| Dysmicoccus shintensis (Tang, 1992) | ⇒ Dysmicoccus shintenensis Takahashi, 1934 |
| Dysmicoccus texensis Tinsley, 1900 | |
| Dysmicoccus triadus Williams, 1987 | |
| Dysmicoccus trispinosus Hall, 1923 | |
| Dysmicoccus walkeri Newstead, 1891 | Walker's mealybug |
| Dysmicoccus williamsi Avasthi & Sh..., 1981 | |
| Dysmicoccus wistariae Green, 1923 | Taxus Mealybug |
| Leptococcus metroxyli Reyne, 1961 | |
| Maconellicoccus hirsutus Green, 1908 | Grape |
| Maconellicoccus multipori Takahashi, 1951 | |
| Maconellicoccus pasaniae (Tang, 1992) | ⇒ Maconellicoccus hirsutus Green, 1908 |
| Maconellicoccus perforatus (De Lotto, 1964) | ⇒ Maconellicoccus hirsutus Green, 1908 |
| Maconellicoccus ramchensis Williams, 1996 | |
| Mutabilicoccus vanheurni Reyne, 1961 | |
| Nipaecoccus annonae Williams & G..., 1992 | |
| Nipaecoccus delassusi Balachowsky, 1926 | |
| Nipaecoccus filamentosus Cockerell, 1893 | |
| Nipaecoccus floridensis Beardsley, 2001 | |
| Nipaecoccus lycii Tang, 1992 | |
| Nipaecoccus nipae Maskell, 1893 | Avocado mealybug |
| Nipaecoccus shillongensis Khalid & Shafee, 1988 | |
| Nipaecoccus vastator (Maskell, 1895) | ⇒ Nipaecoccus viridis Newstead, 1894 |
| Nipaecoccus viridis Newstead, 1894 | Cotton mealybug |
| Palmicultor bambusum Tang, 1992 | |
| Palmicultor lumpurensis Takahashi, 1951 | Bamboo mealybug |
| Palmicultor palmarum Ehrhorn, 1916 | Ehrhorn's palm mealybug |
| Paracoccus burnerae Brain, 1915 | Oleander scale |
| Paracoccus citri | |
| Paracoccus interceptus Lit, 1997 | Mealybug |
| Paracoccus marginatus Williams & G..., 1992 | Marginal mealybug |
| Paracoccus minor | |
| Paracoccus nellorensis Avasthi & Sh..., 1983 | |
| Paracoccus neocarens Lit, 1992 | |
| Paracoccus pasaniae (Borchsenius, 1962) | ⇒ Maconellicoccus hirsutus Green, 1908 |
| Paraputo albizzicola Borchsenius, 1962 | |
| Paraputo banzigeri Williams, 2004 | |
| Paraputo citricola Tang, 1992 | |
| Paraputo gasteris Wang, 1982 | |
| Paraputo leveri Green, 1934 | |
| Paraputo makilingensis Lit, 1992 | Makiling mealybug |
| Paraputo porosus Borchsenius, 1962 | |
| Paraputo sinensis Borchsenius, 1962 | |
| Paraputo szemaoensis Borchsenius, 1960 | |
| Paraputo taraktogeni Rao, 1950 | |
| Planococcus aceris Signoret, 1875 | |
| Planococcus alkanoclasticus Engelhardt &..., 2001 | |
| Planococcus angkorensis (Ali, 1970) | ⇒ Pseudococcus angkorensis Takahashi, 1942 |
| Planococcus antarcticus Reddy & al., 2002 | |
| Planococcus aphelus De Lotto, 1967 | |
| Planococcus citreus Migula, 1894 | |
| Planococcus citri (Risso, 1813) | ⇒ Planococcus lilacinus Cockerell, 1905 |
| Planococcus citricus Ezzat & McCo..., 1956 | |
| Planococcus columbae Suresh & al., 2007 | |
| Planococcus crotonis (Ferris, 1950) | ⇒ Planococcus lilacinus Cockerell, 1905 |
| Planococcus cryptus (Silva & al., 1968) | ⇒ Pseudococcus cryptus Hempel, 1918 |
| Planococcus cubanensis Ezzat & McCo..., 1956 | |
| Planococcus cucurbitae Ezzat & McCo..., 1956 | |
| Planococcus dendrobii Ezzat & McCo..., 1956 | |
| Planococcus donghaensis Choi & al., 2007 | |
| Planococcus dorsospinosus Ezzat & McCo..., 1956 | |
| Planococcus ficus Signoret, 1875 | Grape mealybug |
| Planococcus halli Ezzat & McCo..., 1956 | Hall's mealybug |
| Planococcus halocryophilus Mykytczuk & al., 2012 | |
| Planococcus halophilus Novitsky & K..., 1976 | |
| Planococcus hordei Lindeman, 1886 | |
| Planococcus indicus Avasthi & Sh..., 1987 | |
| Planococcus japonicus Cox, 1989 | Japanese mealybug |
| Planococcus kenyae Le Pelley, 1935 | Coffee mealybug |
| Planococcus kocurii Hao & Komagata, 1986 | |
| Planococcus krauhniae (Kuwana, 1906) | ⇒ Planococcus kraunhiae Kuwana, 1902 |
| Planococcus kraunhiae Kuwana, 1902 | False scale insect |
| Planococcus lilacinus Cockerell, 1905 | Cacao mealybug |
| Planococcus lilacius (Tang et. al., 1992) | ⇒ Planococcus lilacinus Cockerell, 1905 |
| Planococcus lingnani (Ferris, 1954) | ⇒ Planococcoides lingnani Ferris, 1954 |
| Planococcus litchi Cox, 1989 | |
| Planococcus longispinus Targioni Toz..., 0 | |
| Planococcus maitriensis Alam & al., 2004 | |
| Planococcus maritimus Yoon & al., ..., 2006 | |
| Planococcus martini Cox, 1989 | |
| Planococcus mcmeekinii Junge & al., 1998 | |
| Planococcus minor Maskell, 1897 | False scale insect |
| Planococcus okeanokoites ZoBell & Uph..., 1996 | |
| Planococcus pacificus (Cox, 1981) | ⇒ Planococcus minor Maskell, 1897 |
| Planococcus philippinensis Ezzat & McCo..., 1956 | |
| Planococcus piceae Löw, 1883 | |
| Planococcus plakortidis Kaur & al., 2012 | |
| Planococcus planococcoides Borchsenius, 1962 | |
| Planococcus psidii Cox, 1989 | |
| Planococcus psychrophilus Reddy & al., 2002 | |
| Planococcus rifietoensis Romano & al., 2003 | |
| Planococcus salinarum Yoon & al., 2010 | |
| Planococcus siakwanensis (Borchsenius, 1962) | ⇒ Planococcus kraunhiae Kuwana, 1902 |
| Planococcus stackebrandtii Mayilraj & al., 2005 | |
| Planococcus sulawesi Cox, 1989 | |
| Planococcus taigae (Danzig, 1986) | ⇒ Planococcus vovae Nasonov, 1909 |
| Planococcus tayabanus (Ferris, 1950) | ⇒ Planococcus lilacinus Cockerell, 1905 |
| Planococcus vovae Nasonov, 1909 | Nassonov's mealybug |
| Pseudococcus adonidum (Savescu, 1982) | ⇒ Pseudococcus longispinus Targioni-Toz..., 1867 |
| Pseudococcus aegyptiacus (Hall, 1925) | ⇒ Dysmicoccus boninsis Kuwana, 1909 |
| Pseudococcus affinis (Maskell, 1894) | ⇒ Pseudococcus viburni Signoret, 1875 |
| Pseudococcus agropyri Savescu, 1985 | |
| Pseudococcus alaterni Fernald, 1903 | |
| Pseudococcus albizziae (Kirkaldy, 1902) | ⇒ Nipaecoccus viridis Newstead, 1894 |
| Pseudococcus angkorensis Takahashi, 1942 | |
| Pseudococcus aridorum Lindinger, 1911 | |
| Pseudococcus baliteus Lit, 1994 | Aerial root mealybug |
| Pseudococcus bambusicola Takahashi, 1930 | |
| Pseudococcus bambusifolii Takahashi, 1951 | |
| Pseudococcus bicaudatus (Keuchenius, 1915) | ⇒ Ferrisia virgatus Cockerell, 1893 |
| Pseudococcus boninensis (Lindinger, 1914) | ⇒ Dysmicoccus boninsis Kuwana, 1909 |
| Pseudococcus boninsis (Morrison, 1925) | ⇒ Dysmicoccus boninsis Kuwana, 1909 |
| Pseudococcus brevicornis Savescu, 1984 | |
| Pseudococcus brevipes (Fernald, 1903) | ⇒ Dysmicoccus brevipes Cockerell, 1893 |
| Pseudococcus bromeliae (Hempel, 1912) | ⇒ Dysmicoccus brevipes Cockerell, 1893 |
| Pseudococcus calceolariae (Maskell, 1879) | ⇒ Dysmicoccus boninsis Kuwana, 1909 |
| Pseudococcus cannae (Green, 1934) | ⇒ Dysmicoccus brevipes Cockerell, 1893 |
| Pseudococcus caricus Gennadius, 1883 | |
| Pseudococcus carthami Savescu, 1985 | |
| Pseudococcus ceratoniae Fernald, 1903 | |
| Pseudococcus chenopodii Williams, 1985 | |
| Pseudococcus chiponensis (Takahashi, 1939) | ⇒ Crisicoccus chiponensis Takahashi, 1939 |
| Pseudococcus cimensis Green, 1924 | |
| Pseudococcus citri (Cockerell, 1902) | ⇒ Planococcus kenyae Le Pelley, 1935 |
| Pseudococcus citriculus (Green, 1922) | ⇒ Pseudococcus cryptus Hempel, 1918 |
| Pseudococcus coffeae (Sanders, 1909) | ⇒ Planococcus lilacinus Cockerell, 1905 |
| Pseudococcus comstocki (Kuwana, 1902) | ⇒ Dysmicoccus aciculus Ferris, 1950 |
| Pseudococcus crotonis (Sasscer, 1912) | ⇒ Planococcus lilacinus Cockerell, 1905 |
| Pseudococcus cryptus Hempel, 1918 | Citriculus mealybug |
| Pseudococcus cyperi Fernald, 1903 | |
| Pseudococcus dasylirii Fernald, 1903 | |
| Pseudococcus debregeasiae Green, 1922 | |
| Pseudococcus deceptor (Betrem, 1937) | ⇒ Planococcus lilacinus Cockerell, 1905 |
| Pseudococcus defluiteri Betrem, 1937 | |
| Pseudococcus dendrobiorum Williams, 1985 | Dendrobium Mealybug |
| Pseudococcus dorsospinosus Wirjati, 1958 | |
| Pseudococcus edgeworthiae Cockerell, 1897 | |
| Pseudococcus elisae (Borchsenius, 1947) | ⇒ Pseudococcus jackbeardsleyi Gimpel & Miller, 1996 |
| Pseudococcus elscholtriae Shinji, 1936 | |
| Pseudococcus farnesianae Targioni Toz..., 1888 | |
| Pseudococcus filamentosus (Fernald, 1903) | ⇒ Nipaecoccus viridis Newstead, 1894 |
| Pseudococcus formicarius Newstead, 1900 | |
| Pseudococcus gilbertensis Beardsley, 1966 | |
| Pseudococcus gouxi Savescu, 1984 | |
| Pseudococcus graminivorus Savescu, 1985 | |
| Pseudococcus heterospinus (Green, 1923) | ⇒ Dysmicoccus boninsis Kuwana, 1909 |
| Pseudococcus hibisci (Hall, 1921) | ⇒ Maconellicoccus hirsutus Green, 1908 |
| Pseudococcus hirsutus Newstead, 1897 | |
| Pseudococcus hoyae (Fernald, 1903) | ⇒ Pseudococcus longispinus Targioni-Toz..., 1867 |
| Pseudococcus importatus Mckenzie, 1960 | Imported mealybug |
| Pseudococcus jackbeardsleyi Gimpel & Miller, 1996 | Banana mealybug |
| Pseudococcus kawecki Savescu, 1984 | |
| Pseudococcus kosztarabi Savescu, 1984 | |
| Pseudococcus kozari Savescu, 1984 | |
| Pseudococcus kraunhiae (Fernald, 1903) | ⇒ Planococcus kraunhiae Kuwana, 1902 |
| Pseudococcus laingi (Bodenheimer, 1953) | ⇒ Eriococcus laingi Bodenheimer, 1953 |
| Pseudococcus langispinus | |
| Pseudococcus laurinus (Fernald, 1903) | ⇒ Pseudococcus longispinus Targioni-Toz..., 1867 |
| Pseudococcus lepelleyi Betrem, 1937 | |
| Pseudococcus lilacinus (Cockerell, 1905) | ⇒ Planococcus lilacinus Cockerell, 1905 |
| Pseudococcus longipes Leonardi, 1908 | |
| Pseudococcus longirostralis (James, 1936) | ⇒ Dysmicoccus brevipes Cockerell, 1893 |
| Pseudococcus longispinus Targioni-Toz..., 1867 | Cotonet Longispino |
| Pseudococcus magnolicida Cockerell, 1902 | |
| Pseudococcus mangiferae (Green, 1896) | ⇒ Rastrococcus mangiferae Green, 1896 |
| Pseudococcus marchali (Vayssiere, 1912) | ⇒ Ferrisia virgatus Cockerell, 1893 |
| Pseudococcus maritimus Ehrhorn, 1900 | American grape mealybug |
| Pseudococcus microcirculus Mckenzie, 1960 | Orchid Mealybug |
| Pseudococcus microosteoli Savescu, 1985 | |
| Pseudococcus missionum (Cockerell, 1910) | ⇒ Dysmicoccus brevipes Cockerell, 1893 |
| Pseudococcus moldavicus Savescu, 1985 | |
| Pseudococcus monticola Green, 1922 | |
| Pseudococcus moribensis Takahashi, 1951 | |
| Pseudococcus multiporus Savescu, 1984 | |
| Pseudococcus nakaharai Gimpel & Miller, 1996 | False scale insect |
| Pseudococcus neomaritimus Beardsley, 1966 | Comstock mealybug |
| Pseudococcus notabilis Leonardi, 1918 | |
| Pseudococcus obscurus (Essig, 1909) | ⇒ Pseudococcus viburni Signoret, 1875 |
| Pseudococcus odermatti Miller & Wil..., 1997 | Mealybug |
| Pseudococcus pahanensis Takahashi, 1951 | |
| Pseudococcus palauensis (Kanda, 1933) | ⇒ Dysmicoccus brevipes Cockerell, 1893 |
| Pseudococcus perniciosus (Newstead, 1920) | ⇒ Nipaecoccus viridis Newstead, 1894 |
| Pseudococcus pini (Fernald, 1903) | ⇒ Crisicoccus pini Kuwana, 1902 |
| Pseudococcus pseudobrevipes (Mamet, 1941) | ⇒ Dysmicoccus brevipes Cockerell, 1893 |
| Pseudococcus pseudocitriculus Betrem, 1937 | |
| Pseudococcus pseudofilamentosus Betrem, 1937 | |
| Pseudococcus pseudoperrisii Rasina, 1971 | |
| Pseudococcus robiniae Fernald, 1903 | |
| Pseudococcus sacchari (Cockerell, 1902) | ⇒ Saccharicoccus sacchari Cockerell, 1895 |
| Pseudococcus saccharicola Takahashi, 1928 | Yellowish sugarcane mealybug |
| Pseudococcus savescui Ben-Dov, 1994 | |
| Pseudococcus scrobicularum Green, 1896 | |
| Pseudococcus segregatus Fernald, 1903 | |
| Pseudococcus shintenensis (Takahashi, 1934) | ⇒ Dysmicoccus shintenensis Takahashi, 1934 |
| Pseudococcus similans Lidgett, 1898 | |
| Pseudococcus solani (Cockerell, 1894) | ⇒ Phenacoccus solani Ferris, 1918 |
| Pseudococcus solitarius (Brain, 1915) | ⇒ Nipaecoccus viridis Newstead, 1894 |
| Pseudococcus spathoglottidis Lit, 1992 | Ground orchid mealybug |
| Pseudococcus syringae Maskell, 1898 | |
| Pseudococcus takae | |
| Pseudococcus tayabanus (Cockerell, 1905) | ⇒ Planococcus lilacinus Cockerell, 1905 |
| Pseudococcus theae (Green, 1937) | ⇒ Nipaecoccus viridis Newstead, 1894 |
| Pseudococcus theaecola | |
| Pseudococcus theobromae Douglas, 1899 | |
| Pseudococcus tirolensis Dingler, 1924 | |
| Pseudococcus transylvanicus Savescu, 1985 | |
| Pseudococcus tuliparum Fernald, 1903 | |
| Pseudococcus vastator (Kirkaldy, 1902) | ⇒ Nipaecoccus viridis Newstead, 1894 |
| Pseudococcus viburni Signoret, 1875 | Californian mealybug |
| Pseudococcus virgatus Kirkaldy, 1902 | |
| Pseudococcus viridis (Fernald, 1903) | ⇒ Nipaecoccus viridis Newstead, 1894 |
| Pseudococcus zahradniki Savescu, 1984 | |
| Pseudococcus zeae (Kanda, 1943) | ⇒ Dysmicoccus boninsis Kuwana, 1909 |
| Saccharicoccus chinensis Zhang, Wu & Wu, 2018 | |
| Saccharicoccus sacchari Cockerell, 1895 | Pink sugar-cane mealybug |
| Trionymus aberrans (Goux, 1938) | ⇒ Trionymus levis Tang, 1992 |
| Trionymus agrestis Wang & Zhang, 1990 | |
| Trionymus agropyronicola Tang, 1988 | |
| Trionymus angustifrons (Hall, 1926) | ⇒ Dysmicoccus angustifrons Hall, 1926 |
| Trionymus arnicae Siraiwa, 1939 | |
| Trionymus artemisiarum Borchsenius, 1949 | |
| Trionymus bambusae Green, 1922 | |
| Trionymus boninsis (Swezey, 1931) | ⇒ Dysmicoccus boninsis Kuwana, 1909 |
| Trionymus boratynskii Danzig, 1983 | |
| Trionymus calamagrostidis Borchsenius, 1949 | |
| Trionymus calceolariae (Fullaway, 1923) | ⇒ Saccharicoccus sacchari Cockerell, 1895 |
| Trionymus cambodiensis Takahashi, 1942 | |
| Trionymus cantonensis Ferris, 1954 | |
| Trionymus ceres Williams, 1970 | Cereal mealybug |
| Trionymus circulus Tang, 1988 | |
| Trionymus copiosus Borchsenius, 1949 | |
| Trionymus cressae Hall, 1927 | |
| Trionymus dactylis Green, 1925 | |
| Trionymus dagestanicus Danzig, 1998 | |
| Trionymus danzigae Kozár & Kos..., 1976 | Danzig´s Mealybug |
| Trionymus dilatatus Danzig, 1971 | |
| Trionymus diminutus (Brittin, 1938) | ⇒ Balanococcus diminutus Leonardi, 1918 |
| Trionymus ferganensis Borchsenius, 1949 | |
| Trionymus festucae (Kuwana, 1901) | ⇒ Trionymus phalaridis Green, 1925 |
| Trionymus formosanus Takahashi, 1930 | |
| Trionymus hamberdi Borchsenius, 1949 | Hamberd's mealybug |
| Trionymus implicatus Borchsenius, 1949 | |
| Trionymus incertus Green, 1931 | |
| Trionymus internodii (Hall, 1923) | ⇒ Trionymus perrisii perrisii Signoret, 1875 |
| Trionymus iridis Danzig, 1971 | |
| Trionymus isfarensis Borchsenius, 1949 | Tadzhik mealybug |
| Trionymus kayashimai (Takahashi, 1951) | ⇒ Dysmicoccus boninsis Kuwana, 1909 |
| Trionymus kirgisicus Borchsenius, 1949 | |
| Trionymus kobotokensis Kanda, 1959 | |
| Trionymus kurilensis Danzig, 1986 | |
| Trionymus lanatus Balachowsky, 1932 | |
| Trionymus latus Takahashi, 1929 | |
| Trionymus latvicus Rasina, 1966 | |
| Trionymus levis Tang, 1992 | Aberrant mealybug |
| Trionymus lumpurensis Takahashi, 1951 | Bamboo mealybug |
| Trionymus masrensis Hall, 1925 | |
| Trionymus miscanthi (Takahashi, 1928) | ⇒ Miscanthicoccus miscanthi Takahashi, 1928 |
| Trionymus miscanthicola (Takahashi, 1937) | ⇒ Neoripersia miscanthicola Takahashi, 1937 |
| Trionymus mongolicus Danzig, 1980 | |
| Trionymus multisetiger Borchsenius, 1949 | |
| Trionymus multivorus Kiritchenko, 1936 | Polyphagous mealybug |
| Trionymus myrmecarius Leonardi, 1908 | |
| Trionymus newsteadi Green, 1917 | Beech Mealybug |
| Trionymus orestes Williams, 1962 | |
| Trionymus orientalis (Maskell, 1898) | ⇒ Trionymus perrisii perrisii Signoret, 1875 |
| Trionymus paludicola Rasina, 1966 | |
| Trionymus parvaster Danzig, 1971 | |
| Trionymus perrisi (Goux, 1941) | ⇒ Trionymus perrisii perrisii Signoret, 1875 |
| Trionymus perrisii Signoret, 1875 | |
| Trionymus perrisii perrisii Signoret, 1875 | |
| Trionymus phalaridis Green, 1925 | Canarygrass mealybug |
| Trionymus phragmitis Hall, 1923 | Hall's Reed mealybug |
| Trionymus pietranerae Goux, 1941 | |
| Trionymus pilosus Goux, 1941 | |
| Trionymus placatus Borchsenius, 1949 | Pleasant grass mealybug |
| Trionymus plurostiolatus Borchsenius, 1962 | |
| Trionymus polyporus (Lindinger, 1935) | ⇒ Trionymus isfarensis Borchsenius, 1949 |
| Trionymus praegrandis (James, 1936) | ⇒ Saccharicoccus sacchari Cockerell, 1895 |
| Trionymus pseudoperisii Rasina, 1971 | |
| Trionymus radicum Newstead, 1895 | Thrift root mealybug |
| Trionymus sacchari (Fullaway, 1923) | ⇒ Saccharicoccus sacchari Cockerell, 1895 |
| Trionymus sasae Kanda, 1935 | |
| Trionymus sericeus (James, 1936) | ⇒ Nipaecoccus viridis Newstead, 1894 |
| Trionymus subterraneus Newstead, 1893 | Root mealybug |
| Trionymus taiwanus (Takahashi, 1932) | ⇒ Dysmicoccus boninsis Kuwana, 1909 |
| Trionymus thulensis Green, 1931 | Northern mealybug |
| Trionymus tomlini Green, 1925 | Guernsey grass mealybug |
| Trionymus townesi Beardsley, 1966 | |
| Trionymus turgidus Borchsenius, 1949 | |
| Trionymus vaginatus Matesova, 1968 | |
| Trionymus williamsi Ezzat, 1959 | |
| Trionymus yaelae Bodenheimer, 1943 | |
