Agdistis jansei
Encyclopedia
Agdistis jansei is a moth
Moth
A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order; there are thought to be 150,000 to 250,000 different species of moth , with thousands of species yet to be described...

 in the Pterophoridae family. It is known from South Africa
South Africa
The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...

 (Northern Cape, Western Cape, Free State, Mpumalanga).

The wingspan
Wingspan
The wingspan of an airplane or a bird, is the distance from one wingtip to the other wingtip. For example, the Boeing 777 has a wingspan of about ; and a Wandering Albatross caught in 1965 had a wingspan of , the official record for a living bird.The term wingspan, more technically extent, is...

is 19-26 mm. The forewings are grey with two dots in the discal area and at the costal margin, confluent forming an oblique streak. In some specimens the streak is not formed but two separate dots are present. Other dots are very weak. The hindwing are uniformly grey. Adults are on wing from March to October.

Etymology

The species is named after Dr Anthonie Johannes Theodorus Janse, South African teacher and entomologist from the Hague, Netherlands.
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