Bug FAQMacrosaccus morrisella
Macrosaccus morrisella · Order: Lepidoptera · Family: Gracillariidae
Source: Wikipedia
The adult has a wingspan of about 6 to 7 mm. It occurs in Canada (Manitoba, Ontario, Quebec) and the United States from Texas northward to Colorado.
Source: Wikipedia
Size
The adult’s wingspan measures roughly 6 to 7 mm.
Source: Wikipedia
What it eats
Larvae consume Amphicarpaea bracteata, Strophostyles leiosperma, and soybean plants.
Source: Wikipedia
Where it is found in the US
Recorded in 26 of 51 states and DC. Most records: North Carolina, New York, New Hampshire, Minnesota, Massachusetts, Pennsylvania, Maryland, Ohio.
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 plants do the larvae feed on?
The larvae eat Amphicarpaea bracteata, Strophostyles leiosperma, and soybean.
Source: Wikipedia
Same family (Gracillariidae)
Horse-chestnut LeafminerCameraria ohridellaDamages trees, gardens or crops
Aspen Serpentine Leafminer MothPhyllocnistis populiellaDamages trees, gardens or crops
Phyllocnistis vitegenella complexPhyllocnistis vitegenellaDamages trees, gardens or crops
Locust Digitate Leafminer MothParectopa robiniellaDamages trees, gardens or crops
Poison Ivy Leaf-miner MothCameraria guttifinitella
Phyllocnistis insignisDamages trees, gardens or cropsSources
- Wikipedia: https://en.wikipedia.org/wiki/Macrosaccus_morrisella
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-27 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-27.