Peach: Identification of Most Common Stink Bug Species in Tree Crops

Identification of Most Common Stink Bug Species in Tree Crops

The following photos and identification tips will help you distinguish the characteristics of various stink bugs found in fruit and nut tree orchards.

Click on photos to enlarge

Characteristic

Brown marmorated stink bug
(Halyomorpha halys)

Consperse stink bug
(Euschistus conspersus)

Redshouldered stink bug
(Thyanta pallidovirens)

Green stink bug
(Chinavia [=Acrosternum] hilaris)

Natural Enemy
Rough stink bug
(Brochymena sulcata)

Adult size

3/4 inch long

1/2 inch long

3/4 inch long

Body

Identification tip: Shield shaped; mottled brown

Adult consperse stink bug on green leaf, with a brown, speckled, shield-shaped body; alternating brown and cream stripes along sides of body; and small, black spots on legs.

Identification tip: Shield shaped; grayish brown to green

Two adult redshouldered stink bugs facing each other on a green leaf, with one green bug on the left with red along the edges of its shoulders and one brown bug on the right, both with shield-shaped bodies.

Identification tip: Shield shaped; green (brown in winter)

Adult green stink bug on a yellow, unripe peach, with a bright green, shield-shaped body and orange-yellow line with black markings along the side of the body.

Identification tip: Shield shaped; bright green; abdomen bordered by orange-yellow line with black spots

Adult rough stink bug on green beans, with a brown, speckled, shield-shaped body, alternating brown and red stripes along the side of the body, and brown and cream striped legs.

Identification tip: Shield shaped; mottled black and gray (color variation possible)

Antennae

Identification tip: Two white bands

Close-up of adult consperse stink bug brown antennae with dark brown tips and green leaf in background.

Identification tip: No white bands

Close-up of adult redshouldered stink bug head, right shoulder, and antennae on green plant stalk, with segments of red and green on antennae, a green head, and a wide red band on shoulder.

Identification tip: No white bands

Close-up of adult green stink bug head, right shoulder, and antennae on a yellow, unripe peach, with green antennae, a bright green shoulder and head, and orange-yellow lines along the edge of the head and shoulder.

Identification tip: Green with subtle light yellow bands

Close-up of rough stink bug head and antennae on green beans, with a brown, mottled head and brown antennae.

Identification tip: Tiny light-colored striations where antenna segments join

Legs

Identification tip: Marbled brown with faint white band

Close-up of the brown, speckled right side of an adult consperse stink bug on a green leaf, with spotted legs and alternating brown and cream stripes along the side of the body.

Identification tip: Distinct dark spots

Close-up of the bright green left side of an adult redshouldered stink bug on a plant stalk, with a red band across the shoulders and red tips on the left legs and antenna.

Identification tip: Green with red feet

Close-up of the bright green left side of an adult green stink bug on unripe fruit, with an orange-yellow line with black markings along the side of the body and bright green legs.

Identification tip: Bright green with yellow joints

Close-up of the brown, mottled left side of an adult rough stink bug on unripe fruit, with alternating brown and red stripes along the edge of the body and brown and cream legs.

Identification tip: Gray, sometimes with another color; light-colored or white bands

Shoulders

Identification tip: Smooth shoulder edge

Close-up of the brown, speckled shoulders of an adult consperse stink bug on a green leaf.

Identification tip: Smooth, slightly convex shoulder edge

Close-up of bright green shoulders and head of an adult redshouldered stink bug on a plant stalk, with a red band across the shoulders.

Identification tip: Pink or red line across shoulders

Close-up of the bright green shoulders and head of an adult green stink bug on a green, unripe fruit, with an orange-yellow line along the edge of the shoulders and head.

Identification tip: Narrow, orange-yellow line along shoulder edge

Close-up of the brown, bumpy, mottled, and serrated shoulders of an adult rough stink bug.

Identification tip: Rough or serrated spines along shoulder edge

Head

Identification tip: Forward edge of head is blunt; no tooth on each side of face

Close-up of the brown, speckled head of an adult consperse stink bug, with large, red-brown eyes.

Identification tip: No tooth on each side of face

Close-up of the bright green head and some of the red band on the shoulder of an adult redshouldered stink bug on a plant stalk, with large, light brown eyes.

Identification tip: No tooth on each side of face

Close-up of the bright green head of an adult green stink bug, with large, black eyes and an orange-yellow line around the edge of the head.

Identification tip: Bordered by narrow, orange-yellow line

Close-up of the brown, mottled head of an adult rough stink bug, with large, brown eyes.

Identification tip: Forward edge of head extended with two points; tooth on each side of face

Eggs and young nymphs (1st instar)

Several newly hatched, round brown marmorated stink bug nymphs, with black heads and orange-yellow and black markings, next to white, round egg casings on a green leaf.

Identification tip: Yellowish-red abdomen with black markings on young nymphs

Several newly hatched, round consperse stink bug nymphs with black and reddish markings next to round, white egg casings on a green leaf.

Identification tip: Black and reddish markings on young nymphs

Large cluster of newly hatched, round, dark brown redshouldered stink bug nymphs next to white egg casings on a green leaf.

Identification tip: Dark brown young nymphs

Several newly hatched, round green stink bug nymphs on top of cream egg casings on a white background, with rust brown heads, light brown and white wavy stripes, and two black markings on the back.

Identification tip: Brightly colored and striped young nymphs

Several newly hatched blackish and pinkish white, round rough stink bug nymphs on top of white egg casings.

Identification tip: Blackish and pinkish-white young nymphs

Older nymphs (4th and 5th instars)

Brown marmorated stink bug nymph on green leaf, with a brown body and red and white markings, wide white bands on legs, and white bands on antennae.

Identification tip: Brown with red and white markings; distinct white band on antennae; strong white bands on legs

Light brown, cream, and speckled consperse stink bug nymph on a green leaf.

Identification tip: Yellowish brown with black markings; prominent wing pads

Brown-speckled and white-striped redshouldered stink bug nymph on a plant stalk with a black background.

Identification tip: Brownish with black, white, and red stripes

Green stink bug nymph on a white background, with a bright green body, black spots on the shoulders, an orange line with black markings along the edge of the body, and orange-green legs.

Identification tip: Green with orange-yellow line along edge of body

Rough stink bug nymph on green stem, with black and cream speckled stripes, red and black markings on the back, red and black markings along the edges of the body, and black legs with single stripe of brown.

Identification tip: Mottled grayish with black and white; some orangish or yellowish coloration

For noncommercial purposes only, any Web site may link directly to this page. FOR ALL OTHER USES or more information, read Legal Notices. Unfortunately, we cannot provide individual solutions to specific pest problems. See our Home page, or in the U.S., contact your local Cooperative Extension office for assistance.

Acknowledgements Staff-only pages Subscribe (RSS) Contact UC IPM

Agriculture and Natural Resources, University of California

Accessibility /PMG/C602/m602stinkbugs.html?srcPage=PMG%2FC602%2Fm602stinkbugs.html revised: July 22, 2024. Contact webmaster.