''Corizus hyoscyami'' is a species of scentless plant bug belonging to the family

Rhopalidae Rhopalidae, or scentless plant bugs, are a family (biology), family of true bugs. In older literature, the family is sometimes called "Corizidae". They differ from the related Coreidae, coreids in lacking well-developed scent glands. They are usu ...

, subfamily

Rhopalinae Rhopalinae is a subfamily of scentless plant bugs in the family Rhopalidae. There are more than 170 described species in Rhopalinae. Tribes and Genera The ''Coreoidea Species File''Europe Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...

; in Britain, the species appears to be spreading northwards, having been recorded in Yorkshire. ''Corizus hyoscyami'' subs. ''nigridorsum'' is present in

Spain Spain, or the Kingdom of Spain, is a country in Southern Europe, Southern and Western Europe with territories in North Africa. Featuring the Punta de Tarifa, southernmost point of continental Europe, it is the largest country in Southern Eur ...

Italy Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...

Morocco Morocco, officially the Kingdom of Morocco, is a country in the Maghreb region of North Africa. It has coastlines on the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria to Algeria–Morocc ...

and

Tunisia Tunisia, officially the Republic of Tunisia, is a country in the Maghreb region of North Africa. It is bordered by Algeria to the west and southwest, Libya to the southeast, and the Mediterranean Sea to the north and east. Tunisia also shares m ...

Description

Adults of ''Corizus hyoscyami'' are about long. Like all scentless plant bugs, it lacks well-developed scent glands and can be distinguished by numerous veins in the membrane of the

hemelytra An elytron (; ; : elytra, ) is a modified, hardened forewing of beetles (Coleoptera), though a few of the true bugs (Hemiptera) such as the family Schizopteridae are extremely similar; in true bugs, the forewings are called hemelytra (sometimes ...

, characteristic of all members of the Rhopalidae. In ''Corizus hyoscyami'' subs. ''hyoscyami'' the third and fourth abdominal

tergites A ''tergum'' (Latin for "the back"; : ''terga'', associated adjective tergal) is the dorsal ('upper') portion of an arthropod segment other than the head. The anterior edge is called the 'base' and posterior edge is called the 'apex' or 'margin'. ...

are red, while in ''Corizus hyoscyami'' subs. ''nigridorsum'' they are completely black. The dorsum colours are visible in elitrale transparency under the membrane. Although striking in colour, ''Corizus hyoscyami'' may be confused with the similarly marked but unrelated ''

Pyrrhocoris apterus The firebug, ''Pyrrhocoris apterus'', is a common insect of the family Pyrrhocoridae. Easily recognizable due to its striking red and black coloration, it may be confused with the similarly coloured though unrelated '' Corizus hyoscyami'' (cin ...

'' (firebug) (see

comparison Comparison or comparing is the act of evaluating two or more things by determining the relevant, comparable characteristics of each thing, and then determining which characteristics of each are similar to the other, which are different, and t ...

).Brickfields Country Park: Cinnamon Bug - ''Corizus hyoscyami''
/ref>

Comparison of ''Pyrrhocoris'' and ''Corizus''

Biology

The species is a plant feeder on a wide range of plants. Adults can be found all year around. This species overwinters as an adult. The new generation appears in August–September. Adult: All year

References

Leicester England

Sources

External links

''Corizus hyoscyami''
on Essex Field Club
Biolib
Hemiptera of Europe Bugs described in 1758 Taxa named by Carl Linnaeus Rhopalini {{Coreoidea-stub