Bug FAQLobed oak gall wasp
Andricus quercusstrobilanus · Order: Hymenoptera · Family: Cynipidae
The galls are irregular, cone-shaped bodies that feel hard and corky. Larvae induce clusters of wedge-shaped galls on white oaks in North America.
Source: Wikipedia
How to recognize it
The galls are irregular, cone-shaped bodies. These galls are hard and corky to the touch.
Source: Wikipedia
Where it lives
They are found in North America.
Source: Wikipedia
Where it comes from
Their native range is North America.
Source: Wikipedia
Where it is found in the US
Recorded in 48 of 51 states and DC. Most records: California, Texas, Virginia, Oregon, Florida, Massachusetts, Illinois, Ohio.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in United States. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
What do the galls look like?
They are irregular, cone-shaped and feel hard and corky.
Source: Wikipedia
Where are these wasps found?
They occur in North America, where their larvae form galls on white oaks.
Source: Wikipedia
Same family (Cynipidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Andricus_quercusstrobilanus
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-22.