Bug FAQPhratora interstitialis
Phratora interstitialis · Order: Coleoptera · Family: Chrysomelidae
Phratora interstitialis lives in Europe, northern parts of Asia (but not China), and North America. It feeds on willow species such as Salix alexensis and Salix sitchensis, which contain low levels of salicylates.
Source: Wikipedia
Where it lives
This beetle is found across Europe, northern Asia (excluding China), and North America.
Source: Wikipedia
What it eats
It eats willow leaves, preferring species low in salicylates such as Salix alexensis and Salix sitchensis.
Source: Wikipedia
Where it comes from
Its native range includes Europe, northern Asia (excluding China), and North America.
Source: Wikipedia
Where it is found in the US
Recorded in 1 of 51 states and DC. Most records: Alaska.
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
Same family (Chrysomelidae)
Spotted Cucumber BeetleDiabrotica undecimpunctataDamages trees, gardens or crops
Bean WeevilAcanthoscelides obtectusDamages trees, gardens or crops
Cowpea WeevilCallosobruchus maculatusDamages trees, gardens or crops
Swamp Milkweed Leaf BeetleLabidomera clivicollisDamages trees, gardens or crops
Alder Leaf BeetleAgelastica alniDamages trees, gardens or crops
Dogbane Leaf BeetleChrysochus auratusSources
- Wikipedia: https://en.wikipedia.org/wiki/Phratora_interstitialis
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-27 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-27.