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Thursday, 12 March 2026

22-2-2026 RHULANI LODGE MADIKWE, S AFRICA - TRIMEN'S KNOB MOTH (Acantholipes trimeni)


Acantholipes trimeni is a species of moth belonging to the family Erebidae, subfamily Erebinae, and tribe Acantholipini. Commonly known as Trimen's knob, it is native to subtropical regions across Africa.

Described by C. & R. Felder and A. F. Rogenhofer in 1874, A. trimeni is distributed in several African countries, including Botswana, Ethiopia, Gambia, Ghana, Kenya, Madagascar, Malawi, Mozambique, Namibia, Nigeria, Senegal, Somalia, South Africa, Eswatini, Tanzania, Zambia, and Zimbabwe.

The larvae feed on Aspalathus linearis, a shrub native to South Africa also used in the production of rooibos tea.

As part of the genus Acantholipes, which comprises 11 known species, A. trimeni contributes to the biodiversity of Afrotropical moth fauna, with specimens documented in various entomological collections and over 200 occurrence records globally (as of 2023).


Acantholipes trimeni (Trimen's knob) is a species of moth in the Erebidae family found across subtropical, southern, and eastern Africa. Described by Felder and Rogenhofer in 1875, these moths are part of the Catocalinae subfamily. They are known to inhabit savanna regions, such as in Namibia. 

Key Facts about Acantholipes trimeni:

Classification: Kingdom Animalia, Order Lepidoptera, Family Erebidae.

Distribution: Primarily located in southern and eastern Africa, including Namibia.

Habitat: Mopane savanna, www.researchgate.net.

Taxonomy: First described by C. Felder, R. Felder, and A.F. Rogenhofer in 1875.
Common Name: Known as Trimen's knob.