Macrotylus quadrilineatus is a species of plant bug belonging to the family Miridae, subfamily Phylinae.

[1][2] The main host plant is Jupiter's Distaff (Salvia glutinosa, Lamiaceae).

[4] It is mainly found in Austria, Italy, Germany, France, Romania, Switzerland, Slovenia, Poland and former Yugoslavia.

[5] Macrotylus quadrilineatus can reach a length of about 5 millimetres (0.20 in).

[6] The body and legs color is black, with four white lines (hence the species name).