Nervia wallengrenii explained

Nervia wallengrenii, also known as Wallengren's ranger or Wallengren's skipper, is a species of butterfly in the family Hesperiidae.^[1] It is found in South Africa (KwaZulu-Natal, Transvaal), Zimbabwe and from Mozambique to Kenya. The habitat consists of grassland and woodland.^[2]

The wingspan is 27–31 mm for males and 30-35 for females. Adults are on wing from August to November and from February to April. There are two generations per year.^[3]

The larvae probably feed on Imperata cylindrica.

Subspecies

• Nervia wallengrenii wallengrenii - Uganda, Kenya, Tanzania, Zambia, Mozambique, Zimbabwe, Eswatini, South Africa: Limpopo Province, Mpumalanga, North West Province, Gauteng, Free State Province, KwaZulu-Natal
• Nervia wallengrenii fenestratus (Butler, 1894) - Tanzania, Malawi

Notes and References

1. Zhang . Jing . Cong . Qian . Shen . Jinhui . Grishin . Nick . 2022-03-14 . Taxonomic changes suggested by the genomic analysis of Hesperiidae (Lepidoptera) . Insecta Mundi . en.
2. http://atbutterflies.com/downloads/hesperiidae_hesperiinae_1.doc Afrotropical Butterflies: Hesperiidae - Subfamily Hesperiinae
3. Book: Woodhall, Steve . Field Guide to Butterflies of South Africa . 2005 . Cape Town, South Africa . Struik . 978-1-86872-724-7 .