WordNet

an adult insect produced after metamorphosis
(psychoanalysis) an idealized image of someone (usually a parent) formed in childhood
(medicine) obtaining pictures of the interior of the body (同)tomography

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(昆虫の)成虫

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/03/05 15:32:30」(JST)

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Last molting of a cicada giving rise to the winged imago

In biology, the imago is the last stage an insect attains during its metamorphosis, its process of growth and development; it also is called the imaginal stage, the stage in which the insect attains maturity. It follows the final ecdysis of the immature instars.^[1]

In a member of the Ametabola or Hemimetabola, in which metamorphosis is "incomplete", the final ecdysis follows the last immature or nymphal stage. In members of the Holometabola, in which there is a pupal stage, the final ecdysis follows emergence from the pupa, after which the metamorphosis is complete, although there is a prolonged period of maturation in some species.^[2]

The imago is the only stage during which the insect is sexually mature and, if it is a winged species, has functional wings. The imago often is referred to as the adult stage.^[1]

Members of the order Ephemeroptera (mayflies) do not have a pupal stage, but they briefly pass through an extra winged stage called the subimago. Insects at this stage have functional wings but are not yet sexually mature.^[1]

The Latin plural of imago is imagines, and this is the term generally used by entomologists – however, imagoes is also acceptable.^[3]

Etymology

Imago is Latin for "image".

References

^ ^a ^b ^c Carpenter, Geo. H., The Life-Story of Insects. Cambridge University Press 1913. May be downloaded from: https://www.gutenberg.org/ebooks/16410 or https://archive.org/details/thelifestoryofin16410gut
^ Richards, O. W.; Davies, R.G. (1977). Imms' General Textbook of Entomology: Volume 1: Structure, Physiology and Development Volume 2: Classification and Biology. Berlin: Springer. ISBN 0-412-61390-5.
^ Gordh, Gordon; Headrick, David H. A Dictionary of Entomology. Publisher: CABI 2010. ISBN 978-1845935429

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English Journal

Experimental evidence of negative interspecific interactions among imago fleas: flea and host identities matter.

Khokhlova IS1, Dlugosz EM2,3, Krasnov BR4.
Parasitology research.Parasitol Res.2016 Mar;115(3):937-47. doi: 10.1007/s00436-015-4818-z. Epub 2015 Nov 11.
We investigated interspecific interactions between two flea species (Parapulex chephrenis and Xenopsylla ramesis) via evaluation of their feeding success (the size of a blood meal and time to death after a single blood meal) when they exploited rodent hosts [Acomys cahirinus (a characteristic host o
PMID 26555877

Variability of [18F]FDG administered activities among patients undergoing PET examinations: an international multicenter survey.

Del Sole A1, Lecchi M2, Lucignani G3.
Radiation protection dosimetry.Radiat Prot Dosimetry.2016 Mar;168(3):337-42. doi: 10.1093/rpd/ncv345. Epub 2015 May 20.
Given the large number of [(18)F]fluorodeoxyglucose (FDG) PET examinations performed annually throughout the world, reduction of the administered activity without compromise of the clinical information being sought is encouraged. Guidelines issued by the SNMMI and European Association of Nuclear Med
PMID 25994847

Bacterial Associations Across House Fly Life History: Evidence for Transstadial Carriage From Managed Manure.

Zurek K1, Nayduch D2.
Journal of insect science (Online).J Insect Sci.2016 Jan 21;16(1). pii: 2. doi: 10.1093/jisesa/iev156. Print 2016 Jan.
House flies (Diptera: Muscidae; Musca domestica L.) associate with microbe-rich substrates throughout life history. Because larvae utilize bacteria as a food source, most taxa present in the larval substrate, e.g., manure, are digested or degraded. However, some species survive and are present as th
PMID 26798138

ISG15 is upregulated in respiratory syncytial virus infection and reduces virus growth through protein ISGylation.

González-Sanz R1, Mata M2, Bermejo-Martín J3, Álvarez A4, Cortijo J2, Melero JA5, Martínez I6.
Journal of virology.J Virol.2016 Jan 13. pii: JVI.02695-15. [Epub ahead of print]
Human Respiratory Syncytial Virus (RSV), for which neither a vaccine nor an effective therapeutic treatment is currently available, is the leading cause of severe lower respiratory tract infections in children. Interferon stimulated gene 15 (ISG15) is an ubiquitin-like protein that is highly increas
PMID 26763998

Japanese Journal

Developmental Pathways of Psammotermes hybostoma (Isoptera: Rhinotermitidae): Old Pseudergates Make up a New Sterile Caste

Bourguignon Thomas,Šobotník Jan,Sillam-Dussès David,Jiroš Pavel,Hanus Robert,Roisin Yves,Miura Toru
PLoS One 7(9), e44527, 2012-09-17
… These individuals are unable to proceed to the winged imago stage, but store large amounts of fat and also give rise to large soldiers. …
NAID 120004883877