Northern Broken-Dash. Wallengrenia egeremet. Identifying characteristics. Similar species. Wisconsin Butterflies

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1 Page 1 of 7 Wisconsin Butterflies butterflies tiger beetles robber flies Search species Northern Broken-Dash Wallengrenia egeremet The Northern Broken-Dash is found throughout Wisconsin. This is not the easiest species to identify. When I was first learning the skippers and did not use binoculars, I had a very tough time telling a Dun Skipper, from this species. In fact, in 1997 I would look at one perching or nectaring, then decide which species it was and then net it to be sure. At the beginning, I was very poor in telling these two species apart. In our area, the fresh specimens of Dun Skippers may have some faint light markings on the under wings and I thought that they looked very much like the Northern Broken-Dash. Since I started using a good pair of close-focusing binoculars, I have been able to better understand the differences in these species since I can now see them much better! Nevertheless, since they are often seen together and in large numbers it still is difficult to decide how many of each that you are seeing. Weekly sightings for Northern Broken-Dash Identifying characteristics From below this is mainly a dark brown skipper, but fresh individuals may show a slight reddish tinge, with a variable, light spot-band. Above, the male has some orange on the leading edge and a stigma that appears broken into two parts. The female from above also has some orange on the leading edge of the wing and several orange spots, including one nearly square one in the middle of the hind wing. Similar species From below this species certainly could be mistaken for the Dun Skipper, especially more worn individuals of the Northern Broken-Dash whose usually much lighter spot-band has faded and may not be as obvious as the spot-band of a fresh Dun Skipper. From above, the faded males of this species may show little light coloring and may resemble the darker Dun Skipper. The female of this species is very

2 Page 2 of 7 similar to several other species of skippers often referred to as the three witches. The witches include the Northern Broken-Dash, Dun Skipper, and the Little Glassywing. In general, the spots on the hind wing of the Northern Broken-Dash are larger, orange, and somewhat square in comparison to the smaller white spots of the Dun Skipper, but smaller and more colorful than the larger, white, almost hyaline square spots of the Little Glassywing females. When these skippers are acting like their namesake it is sometimes difficult to get a good look at them to identify them with 100% accuracy. To make it even more difficult, it is not unusual to find all three in the same area. Observations from above and below, as well as a documentation photos are often useful, especially for the beginning butterflier, to aid in identifying these three species. Habitat This is an open field butterfly, but is also seen along woodland edges and roadsides where the nectar sources may be more abundant. Flight One generation. The first ones are usually seen in the last week of June and are usually in flight until early August, with peak numbers in early July. Abundance This species sometimes can become fairly abundant. Several NABA counts of this species have been over 1000 individuals. Early Northern Broken-Dash Sightings Date County Reported by Jun 23, 2007 Iowa Todd Sima and Mike Reese Jun 23, 2007 Lafayette Todd Sima and Mike Reese Jun 28, 2007 Grant Todd Sima Jun 29, 2006 Columbia Karl & Dorothy Legler... Jun 29, 2007 Crawford Mike Reese Locations

3 Page 3 of 7 Skippers Grass-Skippers Hardscrabble SNA, Lafayette Co., WI. July 23, 2007.

4 Page 4 of 7 Hardscrabble SNA, Lafayette Co., WI. June 23, Wazee area, Jackson Co., WI. July 12, 2007.

5 Page 5 of 7 Van Loon Wildlife Area, 7 Bridges Trail, Trempealeau Co., WI, July 8, Male, Lime Kiln Road, Door Co., WI, July 18, 2005.

6 Page 6 of 7 Female, Trempealeau NWR, Trempealeau Co., WI, July 11, Hardscrabble SNA, Lafayette Co., WI. June 23, 2007.

7 Page 7 of 7 Van Loon Wildlife Area, 7 Bridges Trail, Trempealeau Co., WI, July 8, Show lightbox 2009 wisconsinbutterflies.org contact about