The Long Dash or Long Dash Skipper (Polites mystic) is a species

Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 of butterfly

Butterfly

A butterfly is a mainly day-flying insect of the order Lepidoptera, which includes the butterflies and moths. Like other holometabolous insects, the butterfly's life cycle consists of four parts: egg, larva, pupa and adult. Most species are diurnal. Butterflies have large, often brightly coloured...

. The species is commonly found in north of North America and in mountains in the south of North America, in grassy habitats. The grassy areas include meadows, marshes, streamsides, wood edges, and prairie swales. On the top, the species is dark brown reddish to yellowish orange markings. The forewing of the female has a broad black patch at the base. The forewing of the male has a long, slightly curved stigma

Stigma (anatomy)

A stigma in mammalian reproductive anatomy refers to the area of the ovarian surface where the Graafian follicle will burst through during ovulation and release the ovum....

 which may be connected to the dash near the apex. Underneath the hindwing, the species is orange-brown with a curved band of equal-sized yellow spots.