Catocala conjuncta is a circum-Mediterranean species of 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...

 whose range extends across southern Europe

Europe

Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

, North Africa

North Africa

North Africa or Northern Africa is the northernmost region of the African continent, linked by the Sahara to Sub-Saharan Africa. Geopolitically, the United Nations definition of Northern Africa includes eight countries or territories; Algeria, Egypt, Libya, Morocco, South Sudan, Sudan, Tunisia, and...

 and extending to the Middle East

Middle East

The Middle East is a region that encompasses Western Asia and Northern Africa. It is often used as a synonym for Near East, in opposition to Far East...

. The larvae feed on Holm Oak

Holm Oak

Quercus ilex, the Holm Oak or Holly Oak is a large evergreen oak native to the Mediterranean region. It takes its name from holm, an ancient name for holly...

 Quercus ilex.

Like other related species C. conjuncta has mottled brown fore-wings and crimson-red hind-wings with a black central line. The species differs from its European congener

Congener

Congener has several different meanings depending on the field in which it is used. Colloquially, it is used to mean a person or thing like another, in character or action.-Biology:In biology, congeners are organisms within the same genus...

s in the shape of the post-median line on the fore-wing and the straighter black line on the hind-wings.

Extra-limitally, conjuncta has occurred just once in Britain

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

, being found at light by Robin Harvey at the RSPB Minsmere

RSPB Minsmere

Minsmere RSPB reserve is a nature reserve owned and run by the Royal Society for the Protection of Birds in Suffolk, England. It lies on the Suffolk coast to the south of Southwold and north of Aldeburgh within the Suffolk Coast and Heaths Area of Outstanding Natural Beauty and the Suffolk...

 reserve on the Suffolk

Suffolk

Suffolk is a non-metropolitan county of historic origin in East Anglia, England. It has borders with Norfolk to the north, Cambridgeshire to the west and Essex to the south. The North Sea lies to the east...

coast on 14 September 2004. Following this record the English name 'Minsmere Crimson Underwing' has been adopted.