Drepana arcuata — Arched Hooktip

Walker, 1855

Hodges# 6251

Etymology

Drepana: Derived from the Greek word drepanon meaning “sickle.”

Arcuata: The Latin word arcuatus meaning “bent, bow-shaped, or arched.”

Pronunciation

dre-pahn-uh ar-kyoo-ay-tuh

Other Common Names

Masked Birch Caterpillar

Documented Occurrences

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

GAIN LP Sightings

Date	County	Observer	Notes	Image1	Image2
2021-09-13	Washington	Hendrix, Suzanna
2021-09-07	Washington	Hendrix, Suzanna
2021-09-06	Washington	Hendrix, Suzanna
2021-09-05	Washington	Hendrix, Suzanna
2021-09-04	Scott	Lowry, Brian	Adult
2021-09-02	Washington	Hendrix, Suzanna	Adult
2021-08-30	Washington	Hendrix, Suzanna
2021-08-30	Washington	Hendrix, Suzanna
2021-08-28	Washington	Hendrix, Suzanna	Adult
2021-08-24	Brown	Byers, Ronda	Adult

Observation Details	Images
Date: 2021-09-13 County: Washington Observer: Hendrix, Suzanna Notes:
Date: 2021-09-07 County: Washington Observer: Hendrix, Suzanna Notes:
Date: 2021-09-06 County: Washington Observer: Hendrix, Suzanna Notes:
Date: 2021-09-05 County: Washington Observer: Hendrix, Suzanna Notes:
Date: 2021-09-04 County: Scott Observer: Lowry, Brian Notes: Adult
Date: 2021-09-02 County: Washington Observer: Hendrix, Suzanna Notes: Adult
Date: 2021-08-30 County: Washington Observer: Hendrix, Suzanna Notes:
Date: 2021-08-30 County: Washington Observer: Hendrix, Suzanna Notes:
Date: 2021-08-28 County: Washington Observer: Hendrix, Suzanna Notes: Adult
Date: 2021-08-24 County: Brown Observer: Byers, Ronda Notes: Adult

Drepana arcuata Sightings by Month

Conservation Status

• Global status: G5 (secure)
• National status: NNR (not ranked)
• Indiana status: NR (not ranked)

Floral Associates

Arched Hooktip caterpillars host on a few native trees including Birches (Betula spp.) which gives it one of its common names, the Masked Birch caterpillar. Adults do not feed.

Known Larval Food Sources in Indiana
Family	Taxonomic Name	Common Name
Order: Fagales
Betulaceae	Alnus spp.	alders
	Betula spp.	birches
Order: Salicales
Salicaceae	Populus spp.	poplars