An ocellar "pupil" that does not change with light intensity, but with the insect age in Triatoma infestans
Mem. Inst. Oswaldo Cruz
;
95(5): 743-6, Sept.-Oct. 2000. ilus, graf
Article
in English
| LILACS
| ID: lil-267906
ABSTRACT
The simple eyes (ocelli) of recently emerged adult Triatoma infestans exhibit a narrow elongated "pupil", surrounded by a ring of brown-reddish pigment, the "iris". This pupil does not respond to changes in the illumination, but varies in size after the imaginal ecdysis. This change corresponds, internally, with the growth of the corneal lens and the associated retina up to an age of about 20 days. This has not been previously observed in an insect. The use of this characteristic for recognising young adults of this species is suggested.
Full text:
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Index:
LILACS (Americas)
Main subject:
Triatoma
/
Lighting
/
Aging
/
Pupil
/
Insect Vectors
Limits:
Animals
Language:
English
Journal:
Mem. Inst. Oswaldo Cruz
Journal subject:
Tropical Medicine
/
Parasitology
Year:
2000
Type:
Article
Affiliation country:
Argentina
Institution/Affiliation country:
Universidad de Buenos Aires/AR
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