Elasmostethus tristriatus, the juniper shieldbug, is a species of bugs in the family Acanthosomatidae. The species are green coloured with pinkish-red corium. They are 9- in length and are active during warm months. They mate during spring. The larvae feed on berries, while adults feed on juniper. They also feed on Lawson's cypress.[1]
The larvae appears from June–September after which, the nymphs emerge. The nymphs have 4 stages until adulthood.[2]