Button Slugs

Yellow-shouldered Slug Stinging-rose Parasa Skiff

What are they?

Button slugs are small but chunky moths with broadly triangular wings which often rest with the abdomen tip curled up above the back. They are perhaps best known for their peculiar, often slug-like, larvae, some of which bear stinging hairs.

Identification

A fairly small family of moths which are generally easy to identify based on wing color and markings.



04652    Early Button Slug      Tortricidia testacea

Length: 8-13mm.       Flight Time: April-August.       Larval Food: Various deciduous trees and shrubs.
Early Button Slug Early Button Slug

04659    Jewel-tailed Slug      Packardia geminata

Length: 8-12mm.       Flight Time: May-July.       Larval Food: Various deciduous trees and shrubs.
Jewel-tailed Slug
Upside down on roof overhang

04665    Yellow-shouldered Slug      Lithacodes fasciola

Length: 9-13mm.       Flight Time: April-September.       Larval Food: A wide range of woody trees and shrubs.
Yellow-shouldered Slug

04669    Shagreened Slug      Apoda buguttata

Length: 10-15mm.       Flight Time: April-August.       Larval Food: A range of deciduous trees, especially hickories (Carya spp.) and oaks (Quercus spp.).
Shagreened Slug
With abdomen curled over back

04671    Skiff      Prolimacodes badia

Length: 12-18mm.       Flight Time: May-September.       Larval Food: Various trees and shrubs.
Skiff

04685    Purple-crested Slug      Adoneta spinuloides

Length: 8-12mm.       Flight Time: May-September.       Larval Food: Various trees and shrubs.
Purple-crested Slug Purple-crested Slug

04697    Spiny Oak Slug      Euclea delphinii

Length: 10-15mm.       Flight Time: May-October.       Larval Food: Various woody trees and shrubs.
Spiny Oak Slug

04698    Smaller Parasa      Parasa chloris

Length: 9-14mm.       Flight Time: May-August.       Larval Food: Various woody trees and shrubs.
Smaller Parasa
Caught by jumping spider

04699    Stinging-rose Parasa      Parasa indetermina

Length: 12-15mm.       Flight Time: June-July.       Larval Food: Various woody trees and shrubs - in Cape May seems to favor Northern Bayberry. Larval pattern is constant but background color may range from yellow, through shades of orange to red. The English name comes from the larva, which can deliver a sharp, nettle-like sting from its spines if handled.
Stinging-rose Parasa Stinging-rose Parasa
Larva
Larva

04700    Saddleback      Acharia stimulea

Length: 13-22mm.       Flight Time: June-August.       Larval Food: a wide range of woody trees and shrubs. The larva can deliver a sharp, nettle-like sting from its spines if handled.
Saddleback Saddleback
Larva