Platysphinx stigmatica 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...

 of the Sphingidae

Sphingidae

Sphingidae is a family of moths , commonly known as hawk moths, sphinx moths and hornworms, that includes about 1,200 species . It is best represented in the tropics but there are species in every region . They are moderate to large in size and are distinguished among moths for their rapid,...

 family. It is known from forests from Nigeria

Nigeria

Nigeria , officially the Federal Republic of Nigeria, is a federal constitutional republic comprising 36 states and its Federal Capital Territory, Abuja. The country is located in West Africa and shares land borders with the Republic of Benin in the west, Chad and Cameroon in the east, and Niger in...

 to the Congo

Republic of the Congo

The Republic of the Congo , sometimes known locally as Congo-Brazzaville, is a state in Central Africa. It is bordered by Gabon, Cameroon, the Central African Republic, the Democratic Republic of the Congo , the Angolan exclave province of Cabinda, and the Gulf of Guinea.The region was dominated by...

, Angola

Angola

Angola, officially the Republic of Angola , is a country in south-central Africa bordered by Namibia on the south, the Democratic Republic of the Congo on the north, and Zambia on the east; its west coast is on the Atlantic Ocean with Luanda as its capital city...

 and western Uganda

Uganda

Uganda , officially the Republic of Uganda, is a landlocked country in East Africa. Uganda is also known as the "Pearl of Africa". It is bordered on the east by Kenya, on the north by South Sudan, on the west by the Democratic Republic of the Congo, on the southwest by Rwanda, and on the south by...

.

The length of the forewings is 58-62 mm for males and 60-65 mm for females. There are red spots on the hindwing, which are evenly distributed and not arranged in regular bands. The forewing of the females is broader, less acuminate, darker and more reddish than in males. The hindwings are more heavily spotted with red. It is separable from Platysphinx phyllis

Platysphinx phyllis

Platysphinx phyllis is a moth of the Sphingidae family. It is known from Sierra Leone to Nigeria.The length of the forewings is 58-62 mm for males and 60-65 mm for females. There are red spots on the hindwing, which are evenly distributed and not arranged in regular bands. The forewing of the...

and Platysphinx piabilis

Platysphinx piabilis

Platysphinx piabilis is a moth of the Sphingidae family. It is known from Savanna and other open habitats in southern and eastern Africa....

only convincingly by examining the genitalia.