| Erynnis baptisiae (Wild Indigo Duskywing) |
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Description: Head dark brown to blackish, usually lacking spot. Often diffuse coppery-reddish areas on the dorsal bumps. Thorax and
abdomen green to yellow-green. A darker mid dorsal line and very thin whitish sub-dorsal stripes. Host Plants: Wild Indigo (Baptisia tinctoria), Crown Vetch (Coronilla varia). |
| Erynnis juvenalis (Juvenal's Duskywing) |
Description: Head pale orange to dull tan. Spot orange to yellow-orange. The spot are usually large and often connected. Thorax greenish to yellowish-green with numerous whitish tubercles. Yellow tint in the folds between the abdominal segments, often strong. A very faint darker mid-dorsal stripe, if present at all, and very prominent, bright yellow sub-dorsal stripes. Host Plants: Oak: many species. Hickory: Sand Hickory (Carya pallida) and Mockernut Hickory (Carya tomentosa). Larvae on Arrowood (Viburnum dentatum), but probably moved off oak in later instar. |
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| Erynnis horatius (Horaces' Duskywing) |
Description: Head dark red to blackish with red to red-orange dorsal and lateral spot, and above each antennae. The lateral spot is variable in size, and often not connected with the dorsal spots. Thorax and abdomen blue to
blue-green, with numerous whitish tubercles. A yellowish tint often visible in the folds between the abdominal segments. A faint dark mid-dorsal stripe, and two narrow, whitish, sub-dorsal stripes, never yellow. Host Plants: Oak: Dwarf Chestnut, Scrub, and Black Jack. Females seen ovipositing on Winged Sumac (Rhus copalina), but larva could not be confirmed. |
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| Erynnis brizo (Sleepy Duskywing) |
Description: Head dark red to orange-red with no dorsal and lateral spot, only a spot above each antennae. Spot yellow-orange to orange. Thorax and abdomen stout, bluish-gray to grey, with numerous whitish tubercles. Each tubercle with a prominent papilla, longer than other similar species giving
it a distinctly "fuzzier" look. The longer papillae are primarily concentrated on the sides, below the sub-dorsal stripes (see pics with red dots). Often a yellowish tint in the folds between
the segments. A faint dark mid-dorsal stripe, and two narrow
whitish sub-dorsal stripes, never yellow. Host Plants: Oak: Dwarf Chestnut, and Black Jack; probably others. |
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