Bug FAQBlueberry Dart
Coenophila opacifrons · Order: Lepidoptera · Family: Noctuidae
Also called: plain-faced blueberry dart, Blueberry Dart Moth
The blueberry dart moth has a wingspan of about 32 to 38 mm. Adults fly in July and August. It lives across northern North America, from the Atlantic provinces to British Columbia and down the mountains to Montana and New Jersey.
Source: Wikipedia
How to recognize it
Coenophila opacifrons, called the blueberry dart, belongs to the Noctuidae family.
Source: Wikipedia
Size
Its wingspan ranges from 32 to 38 mm.
Source: Wikipedia
What it eats
The caterpillars feed on Labrador tea, blueberry plants, and sweet gale.
Source: Wikipedia
Life cycle
There is one generation each year.
Source: Wikipedia
When you see it
Adults are on the wing from July through August.
Source: Wikipedia
Where it comes from
Its native range covers the same North American region described for its habitat.
Source: Wikipedia
Where it is found in the US
Recorded in 11 of 51 states and DC. Most records: Michigan, Wisconsin, Minnesota, Massachusetts, Connecticut, Vermont, New Hampshire, Maine.
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
Questions people ask
When can I see adult blueberry darts?
Adults are active in midsummer, typically from July to August.
Source: Wikipedia
What do the larvae eat?
The larvae feed on Labrador tea, blueberry shrubs, and sweet gale.
Source: Wikipedia
How many generations are produced each year?
The species produces one generation per year.
Source: Wikipedia
Same family (Noctuidae)
Ipsilon Dart MothAgrotis ipsilonDamages trees, gardens or crops
Fall Armyworm MothSpodoptera frugiperdaDamages trees, gardens or crops
Army Cutworm MothEuxoa auxiliarisDamages trees, gardens or crops
Large Yellow UnderwingNoctua pronubaDamages trees, gardens or crops
Silver ΥAutographa gamma
American DaggerAcronicta americanaCan irritate skinSources
- Wikipedia: https://en.wikipedia.org/wiki/Coenophila_opacifrons
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.