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]
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|Source:||Proceedings of the Royal Society B: Biological Sciences|
|01 Horridge G A and Giddings C Movement on dark 1971.pdf||6.19 MB||Adobe PDF||Request a copy|
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