Structure and Ultrastructure of the Acrotrichis Grandicollis (Coleoptera: Ptiliidae) Compound Eyes and the Eye Features Related to Miniaturisation

Overview

Journal Dokl Biol Sci

Specialty Biology

Date 2018 Jul 17

PMID 30009349

Authors

A A Makarova

A A Polilov

Affiliations

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Abstract

Here is the first description of the visual organ of Acrotrichis grandicollis, a member of Ptiliidae family that includes the smallest free-living insects. The apposition eyes of A. grandicollis have the acone-type crystalline cone; a fused rhabdom is formed by eight retinula cells and surrounded by primary pigment cells. Secondary pigment cells are located only in the distal part of the ommatidium under the lens. The eye consists of about 50 facets about 12 μm in diameter. The A. grandicollis ommatidium ultrastructure has been compared with that of large Coleoptera. The results obtained enabled us to emphasize the compound eye specific features associated with the small body size.

References

Stavenga D . Angular and spectral sensitivity of fly photoreceptors. I. Integrated facet lens and rhabdomere optics. J Comp Physiol A Neuroethol Sens Neural Behav Physiol. 2003; 189(1):1-17. DOI: 10.1007/s00359-002-0370-2. View

Horridge G, Giddings C, Wilson M . The eye of the soldier beetle Chauliognathus pulchellus (Cantharidae). Proc R Soc Lond B Biol Sci. 1979; 203(1153):361-78. DOI: 10.1098/rspb.1979.0003. View

Makarova A, Polilov A, Fischer S . Comparative morphological analysis of compound eye miniaturization in minute hymenoptera. Arthropod Struct Dev. 2014; 44(1):21-32. DOI: 10.1016/j.asd.2014.11.001. View

Fischer S, Muller C, Benno Meyer-Rochow V . How small can small be: the compound eye of the parasitoid wasp Trichogramma evanescens (Westwood, 1833) (Hymenoptera, Hexapoda), an insect of 0.3- to 0.4-mm total body size. Vis Neurosci. 2010; 28(4):295-308. DOI: 10.1017/S0952523810000192. View

Meyer-Rochow V, Gal J . Dimensional limits for arthropod eyes with superposition optics. Vision Res. 2004; 44(19):2213-23. DOI: 10.1016/j.visres.2004.04.009. View