Chisos Skipperling
Piruna haferniki H.A. Freeman, 1970
Family: Hesperiidae
Subfamily: Heteropterinae
Identification: Upperside is blackish brown. Forewing has 3 same-sized spots at the apex and distinct oval postmedian spots; hindwing has no markings. Underside of forewing is the same as upperside; underside of hindwing is purplish gray with no markings.
Wing Span: 1 inch (2.5 cm).
Life History: Adults rest with their wings closed, but bask with hindwings open wide and forewings open to about 45 degrees. Males patrol to find receptive females. Caterpillars live and feed within nests of webbed leaves. Fully-grown caterpillars hibernate.
Flight: Several broods from March-August in Texas.
Caterpillar Hosts: Not reported; probably grasses, sedges, or rushes.
Adult Food: Flower nectar.
Habitat: Open oak-pine woodland.
Range: Chisos Mountains, Texas; Carmen Mountains, Mexico; Hidalgo, Mexico.
Conservation: The population in Big Bend National Park should be monitored and its habitat requirements ascertained.
NCGR: G1 - Critically imperiled globally because of extreme rarity (5 or fewer occurrences, or very few remaining individuals), or because of some factor of its biology making it especially vulnerable to extinction. (Critically endangered throughout its range).
Management Needs: Take action as necessary.
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Verified Sightings
Displaying 1 - 8 of 8 verified sightings
![](https://www.butterfliesandmoths.org/sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/skipperlingchisos02a.jpg?itok=a5LuUrBN)
Observation date: Apr 28, 2005
Submitted by: Martin Reid
Region: Brewster County, Texas, United States
Verified by: jwileyrains
Verified date: Oct 12, 2022
![](https://www.butterfliesandmoths.org/sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/chisos_skipperling-1-big.jpg?itok=ZGKq0SoP)
Observation date: Sep 24, 2016
Submitted by: jgiroux
Region: Brewster County, Texas, United States
Verified by: stomlins701
Verified date: Nov 13, 2016
![](https://www.butterfliesandmoths.org/sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/piruna_haferniki.jpg?itok=rmkjvLlr)
Observation date: unknown
Submitted by: paulopler (Paul Opler)
Region: United States
Verified by: BAMONA
Verified date: Sep 06, 2010
![](https://www.butterfliesandmoths.org/sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/Phaferniki_TXBrewsterBigBendGreenGulch15Sep07NGrishin-v.jpg?itok=5-T758lf)
Observation date: unknown
Submitted by: nick.grishin (Nick Grishin)
Region: Brewster County, Texas, United States
Verified by: BAMONA
Verified date: Sep 06, 2010
![](https://www.butterfliesandmoths.org/sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/Phaferniki_TXBrewsterBigBendGreenGulch15Sep07NGrishin-d.jpg?itok=usNZxuRu)
Observation date: unknown
Submitted by: nick.grishin (Nick Grishin)
Region: Brewster County, Texas, United States
Verified by: BAMONA
Verified date: Sep 06, 2010
![](/sites/default/files/no-image-icon-480x360.png)
Observation date: unknown
Submitted by: legacy.reporter
Region: Brewster County, Texas, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
![](/sites/default/files/no-image-icon-480x360.png)
Observation date: unknown
Submitted by: legacy.reporter
Region: Coahuila De Zaragoza, Mexico
Verified by: legacy.verifier
Verified date: Dec 31, 2004
![](/sites/default/files/no-image-icon-480x360.png)
Observation date: unknown
Submitted by: legacy.reporter
Region: Nuevo Leon, Mexico
Verified by: legacy.verifier
Verified date: Dec 31, 2004