Lygus Bugs — Lygus spp.


Lygus Bug Biology and Damage

  • Lygus bugs can feed on many different plants. They can be found in potato fields throughout the season.
     
  • Damage associated with lygus includes flagging of leaflets. Potato fields often support large numbers of lygus without visible damage.
     
  • Lygus infestations in potatoes seem to rarely require insecticide treatment.
     
  • Lygus can appear suddenly when they move from neighboring crops such as freshly cut hay or seed crops.

 


Lygus are active, often seen on leaves and flowers in potato fields.


Lygus Adult

Lygus Nymph

Lygus feed by sucking plant sap through specialized mouthparts.