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Nectarine

Pests You May See in Ground Cover

The following photos and identification tips will help you identify stink bugs, plant bugs, and katydids that are present in the orchard at this time of year. Use a sweep net to sample the ground cover. Also examine the central portion of the tree for katydids and stink bugs.

Names link to more information on identification and management.

Click on photos to enlarge

Stink bugs
Consperse stink bug.
Consperse stink bug
Identification tip: Adults have gray-brown to green bodies with yellow to orange legs and antennae that have darkened tips. The body and legs are covered with small black specks and the undersurface of the body varies from gray to green.
Green stink bug.
Green stink bug
Identification tip: Adult green stink bugs, also known as green soldier bugs, are bright green with the entire lateral margin lined in yellow or orange.
Redshouldered stink bug.
Redshouldered stink bug
Identification tip: Although a predominantly green stink bug with a narrow red band across the shoulder, frequently the overwintering adults tend to be brown and the band may be absent.

No photo available
Uhler’s stink bug
Identification tip: Adults are green with a yellow margin on the sides of the abdomen and 3 spots spaced horizontally on the ventral side.

Rough stink bug
Do not confuse these stink bugs with the rough stink bug, Brochymena quadripustulata, a predator that is speckled white and gray and quite common in orchards throughout the year. Nymphs of Brochymena are colored red, white, and blue.

Plant bugs
Lygus hesperus.
Lygus hesperus
Identification tip: Adults have a conspicuous yellow or pale-green triangular shape on the back between the tops of the wings and are yellowish to reddish brown.
Lygus elisus.
Lygus elisus
Identification tip: Adults have a conspicuous yellow or pale-green triangular shape on the back between the tops of the wings and are pale green.
Calocoris norvegicus.
Calocoris norvegicus
Identification tip: Similar in appearance to lygus bugs, adult Calocoris are green and can be distinguished from adult lygus by two black dots in the area just behind the head.
Katydids
Angulawinged katydid
Angularwinged katydid
Identification tip: The adult, as well as the nymph, of this species have a distinct humpbacked appearance.
Forktailed bush katydid.
Forktailed bush katydid
Identification tip: Katydid nymphs have very long antennae that are banded black and white.

Statewide IPM Program, Agriculture and Natural Resources, University of California
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