Bug FAQBanasa calva
Banasa calva · Order: Hemiptera · Family: Pentatomidae
Source: Wikipedia
They are native to Central and North America, especially the eastern United States and much of Latin America, and they feed on the leaves of trees and shrubs. Females lay egg clusters on the underside of dogwood leaves, and the nymphs feed there after hatching.
Source: Wikipedia
Size
Adults measure about 8.5 to 12 mm long.
Source: Wikipedia
What it eats
They feed on the leaves of trees and shrubs.
Source: Wikipedia
Life cycle
Females lay clusters of eggs on the underside of dogwood leaves, where the hatching nymphs feed.
Source: Wikipedia
Where it is found in the US
Recorded in 38 of 51 states and DC. Most records: Vermont, New York, Connecticut, Ohio, North Carolina, Mississippi, Pennsylvania, Massachusetts.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in Canada. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
Where are Banasa calva found?
They are native to Central and North America, especially the eastern United States and much of Latin America.
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/Banasa_calva
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.