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Movement on dark-light adaptation in beetle eyes of the neuropteran type

Horridge, George Adrian; Giddings, Caroline


Beetles of several species belonging to the families Carabidae, Dytiscidae, Gyrinidae and Hydrophilidae have an eye of the neuropteran type which is characterized as follows. In the dark-adapted state a long column formed by retinula cells (in these families numbering seven) stretches from the cone tip to the rhabdom layer. In the light a crystalline tract, formed from the outer layer of the cone, extends about 100 µm from the cone and is surrounded by pigment cells. Scarabaeid beetles examined...[Show more]

CollectionsANU Research Publications
Date published: 1971-10-12
Type: Journal article
Source: Proceedings of the Royal Society B: Biological Sciences
DOI: 10.1098/rspb.1971.0082


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