They have tarsi 3-segmented, forewing with a costal fracture and with weakly developed veins in the membrane, laterotergites on all abdominal terga, and male genitalia strongly asymmetrical (left paramere larger than the right).
[4] This family of bugs occurs under tree bark and in decaying plant matter, animal nests and burrows, manure piles, poultry houses, granaries and stored food products.
[2][3] Lyctocoridae practice traumatic insemination in which the male pierces the female (using the acus of his phallus) between terga 7 and 8 on the right side of her abdomen.
The male's sperm migrate through the haemocoel or through specialized structures in the female to the ovaries, then fertilise the eggs within the vitellarium.
BioLib lists a single subfamily Lyctocorinae Reuter, 1884: The following are placed in the Anthocorinae tribes Anthocorini, Dufouriellini, and Scolopini: Media related to Lyctocoridae at Wikimedia Commons