Silver-spotted Skipper

(Epargyreus clarus)

Silver-spotted Skipper sightings by week

Silver-spotted Skipper sightings, by week (about)

Silver-spotted SkipperClick to enlarge

Rocky Run Oak Savanna SNA, Columbia Co., WI, June 18, 2005.

Silver-spotted SkipperClick to enlarge

Rocky Run Oak Savanna SNA, Columbia Co., WI, June 18, 2005.

Silver-spotted SkipperClick to enlarge

Rocky Run Oak Savanna SNA, Columbia Co., WI, June 30, 2005.

Silver-spotted SkipperClick to enlarge

Muir Lake SNA, Marquette Co., WI, August 5, 2002.

The Silver-spotted Skipper is one of the more common skippers in the southern two-thirds of the state. In Wisconsin wherever its main host plant, Black Locust ( Robinia pseudoacacia) is found, this species is likely to be present. This tree is an invasive alien and once it is established, it forms large colonies. This is one of only two skippers that I have had visit my butterfly bush in my garden. Because of its distinctive silvery spot and large size, this species of easy to spot as it flits about, nectaring in a field.

Identifying characteristics: The Silver-spotted Skipper is Wisconsin’s largest skipper. It is essentially a brown butterfly with a few white spots on the forewing above and a yellowish band that cuts through the middle of the wing. Below, the species has a large silvery/white mark through the center of the hindwing that contrasts greatly with the brown color of the wing and which makes this species easy to identify, even from a distance.

Similar species: Somewhat similar to the Hoary Edge, but the Hoary Edge is a rare stray to Wisconsin, is smaller, and doesn’t have a large silvery/white spot in the center of its hindwing below.

Habitat: A wide variety of habitats including old fields, woodland edges, and gardens. It is fond of nectar and can be seen nectaring on a variety of flowers.

Flight: The first brood of this species is present in June and early July, with a second brood in late July and August, at least in the southern counties.

Abundance: Common, but not usually seen in large numbers, and often seen singly. I saw 28 of this species in one day and never more than 2–3 at a time.

Early Silver-spotted Skipper sightings, all years

Date seenCountyReported by
12–31–2003Monroejohn and jane balaban
05–27–2006GrantTodd Sima
05–27–2007IowaKarl and Dorothy Legler
05–27–2007DaneAnn Thering
05–30–2006RacineRhonda Hansen
05–30–2007LafayetteTodd Sima

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distribution of Silver-spotted Skipper
Map key

Silver-spotted Skipper
Epargyreus clarus