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For Insects, Spiders & Their Kin
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holoptic

Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
No Taxon (Glossary --use Taxonomy, then Info tabs to view entries)
No Taxon (H)
No Taxon holoptic
Explanation of Names
From Greek holos, whole, and optikos, pertaining to the eye.
Identification
holoptic adjective - "whole-eyed", refers to the way the compound eyes (oculi) of some diptera meet along the dorsal mid-line of the head. Compare dichoptic. The condition is especially prevalent in males. Photographs showing this condition:


Another definition, perhaps seldom used now:
in the case of an eyespot, such as on various lepidoptera, it is holoptic when it is in a perfect state, i.e., having one pupil surrounded by one ring of color (Jardine).
See Also
Internet References
Wikipedia: Holoptic