Bug FAQFour-spotted Sap Beetle
Glischrochilus quadrisignatus · Order: Coleoptera · Family: Nitidulidae
Also called: picnic beetle
Source: Wikipedia
These beetles feed on damaged, over-ripe or decomposing fruits and vegetables, creating noticeable holes in the produce. They are found throughout North America.
Source: Wikipedia
How to get rid of it
Sanitation, such as removing rotting produce, is the best way to manage them in a garden. Bait traps using over-ripe fruit can also be used to catch them.
Source: Wikipedia
Where it lives
Four-spotted sap beetles occur in North America.
Source: Wikipedia
What it eats
They eat fruits and vegetables that are damaged, over-ripe, or decomposing.
Source: Wikipedia
Where it comes from
Their native range is North America.
Source: Wikipedia
Where it is found in the US
Recorded in 40 of 51 states and DC. Most records: Illinois, Indiana, New York, Ohio, Pennsylvania, Michigan, Minnesota, Wisconsin.
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
How do I get rid of four-spotted sap beetles?
Keep the area clean by removing over-ripe or rotting produce, and set bait traps with over-ripe fruit to catch them.
Source: Wikipedia
What do four-spotted sap beetles eat?
They feed on fruits and vegetables that are damaged, over-ripe, or decomposing.
Source: Wikipedia
Same family (Nitidulidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Glischrochilus_quadrisignatus
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-22 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-22.