Cheilomenes
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__NOTOC__ ''Cheilomenes'' is a genus of
ladybird Coccinellidae () is a widespread family of small beetles ranging in size from . They are commonly known as ladybugs in North America and ladybirds in Great Britain. Some entomologists prefer the names ladybird beetles or lady beetles as they ...
s (
Coccinellidae Coccinellidae () is a widespread family of small beetles ranging in size from . They are commonly known as ladybugs in North America and ladybirds in Great Britain. Some entomologists prefer the names ladybird beetles or lady beetles as they ...
). Like other members of their subfamily they are large typical ladybirds. They are always shiny and often have bright spots on the
elytra An elytron (; ; , ) 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 alterna ...
. The common African species ''C. lunata'' is an important predator of the citrus aphid, '' Toxoptera'', and wheat aphid, while ''C. vicina'' has been suggested as a
biological control Biological control or biocontrol is a method of controlling pests, such as insects, mites, weeds, and plant diseases, using other organisms. It relies on predation, parasitism, herbivory, or other natural mechanisms, but typically also invo ...
agent for the cowpea aphid. Both the larvae and adults are predatory. Freshly emerged larvae consume unhatched eggs, and eventually have a dappled appearance and 6 tubercles on each abdominal segment. Vulnerable stages in the life of ''C. sexmaculata'', including oviposition, hatching, moulting and pupation have been shown to occur after dark, probably as an adaptation to avoid exposure to natural enemies.


Gallery

File:75-Indian-Insect-Life - Harold Maxwell-Lefroy - Cheilomenes-sexmaculata.jpg, The Six-spotted zigzag ladybird, ''C. sexmaculata'', of Asia and Australasia File:Six-spotted zigzag ladybirds (Cheilomenes sexmaculata) mating.jpg, ''C. sexmaculata'' at Zighy Bay,
Musandam Peninsula The Musandam Peninsula ( ar, جَزِيْرَة مُسَنْدَم \ رَأْس مُسَنْدَم, Jazīrat Musandam / Raʾs Musandam), locally known as Ruus Al Jibal ( ar, رُؤُوْس ٱلْجِبَال, ''Ruʾūs al-Jibāl'' Heads of the Mou ...
,
Oman Oman ( ; ar, عُمَان ' ), officially the Sultanate of Oman ( ar, سلْطنةُ عُمان ), is an Arabian country located in southwestern Asia. It is situated on the southeastern coast of the Arabian Peninsula, and spans the mouth of t ...
File:Cheilomenes sulfurea 1.jpg, ''C. sulfurea'' at
Chimoio Chimoio is the capital of Manica Province in Mozambique. It is the fifth-largest city in Mozambique. Chimoio's name under Portuguese administration was ''Vila Pery''. Vila Pery developed under Portuguese rule as an important agricultural and tex ...
, Mozambique File:Cheilomenes propinqua, m & w, Manie van der Schijff BT, a.jpg, ''C. propinqua'' in
South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countri ...


See also

*
List of Coccinellidae genera and species The family Coccinellidae ("ladybirds", "lady beetles", or "lady bugs") is divided into seven subfamilies, many tribes, and about 360 genera: Subfamily Chilocorinae Tribe Chilocorini Species:Chilocorini *'' Anisorcus'' *'' Arawana'' *'' Axion ...


References


External links


Cheilomenes, Biodiversity explorer
Coccinellidae genera Taxa named by Louis Alexandre Auguste Chevrolat {{Coccinellidae-stub