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
2020-09-04	Dubois	Young, Eric	Adult
2020-08-27	Boone	Jaskula, Jeanette	Caterpillar
2020-08-27	Boone	Jaskula, Jeanette	Caterpillar
2020-08-09	Boone	Jaskula, Jeanette	Adult
2020-08-04	Brown	Byers, Ronda	Adult
2020-08-03	Hamilton	McCord, Dan	Adult
2020-07-26	Hamilton	Kant, Nancy	Adult
2020-07-25	Monroe	Setze, Tracey	Adult
2020-07-25	Monroe	Lightfoot, Nancy	Adult
2020-07-21	Scott	Lowry, Brian	Adult

Observation Details	Images
Date: 2020-09-04 County: Dubois Observer: Young, Eric Notes: Adult
Date: 2020-08-27 County: Boone Observer: Jaskula, Jeanette Notes: Caterpillar
Date: 2020-08-27 County: Boone Observer: Jaskula, Jeanette Notes: Caterpillar
Date: 2020-08-09 County: Boone Observer: Jaskula, Jeanette Notes: Adult
Date: 2020-08-04 County: Brown Observer: Byers, Ronda Notes: Adult
Date: 2020-08-03 County: Hamilton Observer: McCord, Dan Notes: Adult
Date: 2020-07-26 County: Hamilton Observer: Kant, Nancy Notes: Adult
Date: 2020-07-25 County: Monroe Observer: Setze, Tracey Notes: Adult
Date: 2020-07-25 County: Monroe Observer: Lightfoot, Nancy Notes: Adult
Date: 2020-07-21 County: Scott Observer: Lowry, Brian 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