Ectobiidae (formerly Blattellidae) is a family of the order Blattodea (cockroaches). This family contains many of the smaller common household pest cockroaches, among others. They are sometimes called wood cockroaches. A few notable species include:

• European native cockroaches – genera including Ectobius, Capraiellus, Phyllodromica and Planuncus
• Blattella asahinai: Asian cockroach
• Blattella germanica: German cockroach
• Cariblatta lutea: Small yellow cockroach
• Supella longipalpa: Brown-banded cockroach
• Parcoblatta spp. including the:
• Parcoblatta fulvescens: Fulvous wood cockroach
• Parcoblatta pennsylvanica: Pennsylvania wood cockroach
• Parcoblatta virginica: Virginia wood cockroach

Subfamilies and selected genera: The Cockroach Species File includes five subfamilies. The Anaplectinae, previously placed here, have now been elevated to family level.

NB: subfamilies marked § are complete list as of 2020:
Blattellinae: Auth.: Karny, 1908 – worldwide

• Attaphila Wheeler, 1900 (Neotropical)
• Blattella Caudell, 1903
• Ischnoptera Burmeister, 1838
• Loboptera Brunner von Wattenwyl, 1865, 1865
• Lobopterella Princis, 1957
• Neotemnopteryx Princis, 1951
• Parcoblatta Shelford, 1911
• Pseudomops Serville, 1831
• Saltoblattella Bohn, Picker, Klass & Colville, 2009
• Symploce Hebard, 1916
• Temnopteryx Brunner von Wattenwyl, 1865

Ectobiinae: § Brunner von Wattenwyl, 1865 – Europe, Africa, Asia, Australia
# Arbiblatta Chopard, 1936
# Capraiellus Harz, 1976
# Choristima Tepper, 1895
# Dziriblatta Chopard, 1936
# Ectobius Stephens, 1835
# Ectoneura Shelford, 1907
# Eutheganopteryx Shelford, 1912
# Luridiblatta Fernandes, 1965
# Phyllodromica Fieber, 1853
# Planuncus Bohn, 2013
# Pseudectoneura Princis, 1974
# Stenectoneura Hebard, 1943
# Theganopteryx Brunner von Wattenwyl, 1865

Nyctiborinae: § – Mexico, Central and South America

• Eunyctibora Shelford, 1908
• Eushelfordia Hebard, 1925
• Eushelfordiella Lopes & Oliveira, 2007
• Megaloblatta Dohrn, 1887
• Muzoa Hebard, 1921
• Nyctantonina Vélez, 2013
• Nyctibora Burmeister, 1838
• Paramuzoa Roth, 1973
• Paratropes Serville, 1838
• Pseudischnoptera Saussure, 1869

Pseudophyllodromiinae: Worldwide distribution, selected genera:

• Balta Tepper 1893
• Ellipsidion Saussure, 1863
• Neoblattella Shelford, 1911
• Pseudophyllodromia Brunner von Wattenwyl, 1865
• Supella Shelford, 1911

Genera incertae sedis: # Africablatta Rehn, 1933:
- A. patricia (Gerstaecker, 1883)
# Akaniblatta Princis, 1969
# Alsteinia Hanitsch, 1950
# Anareolaria Shelford, 1909
# Aneurinita Hebard, 1935
# Anisopygia Saussure, 1893
# Antitheton Hebard, 1919
# Aphlebiella Princis, 1965
# Aruistra Princis, 1965
# Astyloblatta Bey-Bienko, 1954
# Atticola Bolívar, 1905
# Blattellina Princis, 1951
# Caloblatta Saussure, 1893
# Celeriblattina Johns, 1966
# Ceuthobia Hebard, 1921
# Ceuthobiella Hebard, 1921
# Dictyoblattella Uvarov, 1940
# Dipteretrum Rehn, 1922
# Discalida Woo, Guo & Li, 1985
# Distichopis Bolívar, 1924
# Disymploce Bey-Bienko, 1958
# Drabeha Gurney, 1967
# Duryodana Kirby, 1903
# Dyakina Hebard, 1929
# Eldaina Estrada-Álvarez, 2022
# Eublattella Princis, 1950
# Euhebardula Princis, 1953
# Eulissosoma Hebard, 1926
# Euloboptera Princis, 1955
# Eurylestes Hebard, 1940
# Hanitschella Princis, 1951
# Hanitschia Bruijning, 1947
# Hanstroemidium Princis, 1963
# Hemipterisca Bey-Bienko, 1950
# Hemipterota Saussure, 1893
# Incoblatta Princis, 1948
# Liosilpha Stål, 1874
# Lophometopum Hebard, 1920
# Mallotoblatta Saussure & Zehntner, 1895
# Maretina Hebard, 1933
# Maretiola Bey-Bienko, 1968
# Margattina Bey-Bienko, 1958
# Microblatta Hebard, 1933
# Myrmeblattina Chopard, 1926
# Namablatta Rehn, 1937
# Neoleptoblatta Princis, 1963
# Nimbablatta Princis, 1963
# Nisibis Stål, 1877
# Nymphodromia Rehn & Hebard, 1927
# Onycholobus Hanitsch, 1938
# Operculea Bolívar, 1924
# Paraloboptera Saussure, 1870
# Parascalida Hanitsch, 1936
# Parellipsidion Johns, 1966
# Phorticolea Bolívar, 1905
# Piroblatta Shelford, 1907
# Rudebeckia Princis, 1963
# Sciablatta Hebard, 1921
# Sinablatta Princis, 1950
# Sutteriana Princis, 1957
# Tairella Hebard, 1926
# Xosaia Princis, 1963