Bug FAQTwo-spotted Stink Bug
Perillus bioculatus · Order: Hemiptera · Family: Pentatomidae
Also called: Double-eyed Soldier Bug, Y-spotted Stink Bug, twospotted stink bug
Both larvae and adults hunt Colorado potato beetle eggs and larvae, while first-instar larvae also suck juices from potato stems.
Source: Wikipedia
What it eats
First-instar larvae feed by sucking juice from potato stems.
Source: Wikipedia
Life cycle
Both larval and adult stages specialize in preying on Colorado potato beetle eggs and larvae.
Source: Wikipedia
Where it comes from
They are native to North America.
Source: Wikipedia
Where it is found in the US
Recorded in 44 of 51 states and DC. Most records: Colorado, Texas, New Mexico, Illinois, Utah, Kentucky, Michigan, Arizona.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
What does the two-spotted stink bug eat?
Adults and later-stage larvae eat Colorado potato beetle eggs and larvae, while first-instar larvae suck juice from potato stems.
Source: Wikipedia
What do the larvae and adults of this bug prey on?
Both larvae and adults specialize in hunting Colorado potato beetle eggs and larvae.
Source: Wikipedia
Same family (Pentatomidae)
Brown Marmorated Stink BugHalyomorpha halysDamages trees, gardens or crops
Green Stink BugChinavia hilarisDamages trees, gardens or crops
Harlequin BugMurgantia histrionicaDamages trees, gardens or crops
Brown Stink BugEuschistus servusDamages trees, gardens or crops
Green Shield BugPalomena prasina
European Striped Shield BugGraphosoma italicumSources
- Wikipedia: https://en.wikipedia.org/wiki/Perillus_bioculatus
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-24 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-24.