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 |
1/2 inch long |
3/4 inch long |
3/4 inch long |
Body |

Identification tip: Shield shaped; mottled brown |

Identification tip: Shield shaped; grayish brown to green |

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

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

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

Identification tip: Two white bands |

Identification tip: No white bands |

Identification tip: No white bands |

Identification tip: Green with subtle light yellow bands |

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

Identification tip: Marbled brown with faint white band |

Identification tip: Distinct dark spots |

Identification tip: Green with red feet |

Identification tip: Bright green with yellow joints |

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

Identification tip: Smooth shoulder edge |

Identification tip: Smooth, slightly convex shoulder edge |

Identification tip: Pink or red line across shoulders |

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

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 |

Identification tip: No tooth on each side of face |

Identification tip: No tooth on each side of face |

Identification tip: Bordered by narrow, orange-yellow line |
 Identification tip: Forward edge of head extended with two points; tooth on each side of face |
Eggs and young nymphs (1st instar) |

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

Identification tip: Black and reddish markings on young nymphs |

Identification tip: Dark brown young nymphs |

Identification tip: Brightly colored and striped young nymphs |

Identification tip: Blackish and pinkish-white young nymphs |
Older nymphs (4th and 5th instars) |

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

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

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

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

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