Bug FAQAmorpha Borer
Megacyllene decora · Order: Coleoptera · Family: Cerambycidae
The Amorpha borer lives in the central United States. It is native to the central United States. Its larvae feed exclusively on false indigo (Amorpha fruticosa).
Source: Wikipedia
Where it lives
It occurs in the central United States.
Source: Wikipedia
What it eats
The larvae eat only the false indigo plant, Amorpha fruticosa.
Source: Wikipedia
Where it comes from
It is found in the central United States as its native range.
Source: Wikipedia
Where it is found in the US
Recorded in 18 of 51 states and DC. Most records: Kansas, Minnesota, Illinois, Missouri, Ohio, Oklahoma, Iowa, Nebraska.
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
What plant do Amorpha borer larvae feed on?
The larvae feed only on false indigo (Amorpha fruticosa).
Source: Wikipedia
Is the Amorpha borer native to the United States?
Yes, its native range is the central United States.
Source: Wikipedia
Same family (Cerambycidae)
House LonghornHylotrupes bajulusCan damage your home
Asian Longhorned BeetleAnoplophora glabripennisDamages trees, gardens or crops
Red Milkweed BeetleTetraopes tetrophthalmus
White-spotted SawyerMonochamus scutellatusCan damage your home
Red Pine Longhorn BeetleStictoleptura rubra
Spotted Longhorn BeetleRutpela maculataSources
- Wikipedia: https://en.wikipedia.org/wiki/Megacyllene_decora
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-26 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-26.