Gonioterma mistrella

(Busck, 1907)

Hodges# 1032

Etymology

Gonioterma: Combination of the Greek gonia, meaning “the measurement of angles,” with terma, for “the end point” or “limit.”

mistrella: Combines the Latin magister, meaning “master” or “chief,” with the suffix ella for “small.”

Pronunciation

goh-nee-oh-tur-muh mis-trel-uh

Documented Occurrences

This map shows the confirmed sightings of Gonioterma mistrella in Indiana. All sightings were confirmed through photographic documentation by individuals who contributed to the Great American IN Nature Lepidoptera Project (GAIN LP).

Documented North American Sightings as of 4/18/2020

GAIN LP Sightings

Date	County	Observer	Notes	Image1	Image2
2024-09-20	Lake	Jaskula, Jeanette
2023-09-06	Tippecanoe	Zimmerman, Laura
2023-09-06	Hamilton	McCord, Dan
2023-09-03	Hamilton	Kant, Nancy
2022-09-17	Jasper	Jaskula, Jeanette
2022-07-16	Newton	Joll, Chris
2020-07-19	Newton	Jaskula, Jeanette	Adult Confirmed
2018-09-17	Porter	Joll, Chris	Adult Confirmed

Observation Details	Images
Date: 2024-09-20 County: Lake Observer: Jaskula, Jeanette Notes:
Date: 2023-09-06 County: Tippecanoe Observer: Zimmerman, Laura Notes:
Date: 2023-09-06 County: Hamilton Observer: McCord, Dan Notes:
Date: 2023-09-03 County: Hamilton Observer: Kant, Nancy Notes:
Date: 2022-09-17 County: Jasper Observer: Jaskula, Jeanette Notes:
Date: 2022-07-16 County: Newton Observer: Joll, Chris Notes:
Date: 2020-07-19 County: Newton Observer: Jaskula, Jeanette Notes: Adult Confirmed
Date: 2018-09-17 County: Porter Observer: Joll, Chris Notes: Adult Confirmed

Gold-striped Leaftier Sightings by Month

Floral Associates

Gonioterma mistrella larvae feed exclusively on grass species in the Poaceae family.

Known Larval Food Sources in Indiana
Family	Taxonomic Name	Common Name
Order: Poales
Poaceae	Bromus spp.	bromes
	Phleum pratense	timothy grass
	Poa spp.	bluegrasses