Several species infest canola and alfalfa. All four species are thought to be equally destructive. No 1992-4E, Lygus Bugs on the Canadian Prairies. They vary from pale green to reddish brown to black and from fairly uniform color to mottled. Lygus bugs share characteristics with all true bugs these include the distinctive, triangular or 'V'- shaped marking in the upper centre of their backs and membranous wingtips.
Adults are active and fly readily when approached.
Young nymphs are often mistaken for aphids, which are similar in size and shape. Wing buds are evident in the fourth and fifth instar. Lygus lineolaris, the tarnished plant bug adult. Host plants Lygus bugs feed on the sap of new growth and reproductive tissue. Host plants of lygus include alfalfa, canola, lentils, potato, strawberries, vegetable crops, flax, hemp, fababean, tree fruits and weeds such as redroot pigweed, stinkweed, wild mustard and lamb s- quarters.