Labidocoris MAYR, 1865 Þ Ectrichodiinae
Lamabokeus VILLIERS, 1972 Þ Reduviinae
Lamottellus VILLIERS, 1948 Þ Harpactorini, Harpactorinae
Lamotteus VILLIERS, 1948 Þ Peiratinae
Lamprogastocoris MILLER, 1952 Þ Ectrichodiinae
Lamprosphodrus STAL, 1840 Þ Harpactorini, Harpactorinae
Lanca DISTANT, 1906 Þ Harpactorini, Harpactorinae
Laurenticoris VILLIERS, 1975 Þ Leistarchini, Emesinae
Leaylia WYGODZINSKY, 1966 Þ Metapterini, Emesinae
Leistarches DOHRN, 1860 Þ Leistarchini, Emesinae
Lenaeus STAL, 1859 Þ Reduviinae
Lentia WYGODZINSKY, 1946 Þ Chryxinae
Lentireduvius CAI & TAYLOR, 2006 Þ Peiratinae
Leogorrus STAL, 1859 Þ Reduviinae
Leptacanthaspis JEANNEL, 1917 Þ Reduviinae
Leptinoschidium WYGODZINSKY, 1966 Þ Metapterini, Emesinae
Leptodema DE CARLINI, 1892 Þ Harpactorini, Harpactorinae
Leptolestes BERGROTH, 1906 Þ Harpactorini, Harpactorinae
Leptomendis BREDDIN, 1903 Þ Ectrichodiinae
Leptophysoderes WEIRAUCH, 2006 Þ Physoderinae
Lerton SCHOUTEDEN, 1952 Þ Harpactorini, Harpactorinae
Lestomerus AMYOT & SERVILLE, 1843 Þ Peiratinae
Lestonicoris VILLIERS, 1967 Þ Harpactorini, Harpactorinae
Lethierrya PUTON, 1876 Þ Leistarchini, Emesinae
Lhostella VILLIERS, 1948 Þ Leistarchini, Emesinae
Liaghinella WYGODZINSKY, 1966 Þ Metapterini, Emesinae
Liangcoris ZHAO et al., 2007 Þ Harpactorini, Harpactorinae
Libaviellus MILLER, 1941 Þ Ectrichodiinae
Libavius DISTANT, 1904 Þ Ectrichodiinae
Libyomendis BREDDIN, 1903 Þ Ectrichodiinae
Lindus STAL, 1862 Þ Harpactorini, Harpactorinae
Lingnania CHINA, 1940 Þ Harpactorini, Harpactorinae
Linshcosteus DISTANT, 1904 Þ Triatomini, Triatominae
Lisarda STAL, 1859 Þ Salyavatinae
Lissocleptes STAL, 1870 Þ Harpactorini, Harpactorinae
Loboplusius BERGROTH, 1909 Þ Harpactorini, Harpactorinae
Locoptiris VILLIERS, 1943 Þ Dasycnemini, Holoptilinae
Lophocephala LAPORTE, 1833 Þ Harpactorini, Harpactorinae
Lophoscutus KORMILEV, 1951 Þ Macrocephalini, Phymatinae
Lopodytes STAL, 1853 Þ Harpactorini, Harpactorinae
Luja SCHOUTEDEN, 1911 Þ Harpactorini, Harpactorinae
Luluacoris VILLIERS, 1972 Þ Ectrichodiinae
Lutevula BREDDIN, 1909 Þ Leistarchini, Emesinae
Lydenburgia MILLER, 1957 Þ Reduviinae
Lyramna BREDDIN, 1952 Þ Stenopodainae