Fine Structure of the Eye of Galloisiana nipponensis (CAUDELL et KING) (Grylloblattodea : Grylloblattidae) :

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The fine structure of the compound eye of Galloisiana nipponensis, a species of Grylloblattidae of the Order Grylloblattodea was observed. The eye is composed of about forty ommatidia arranged in an elliptic area. The surface of the eye is covered with many arabesque structures which are presumably a waxy substance. The cornea is biconvex and has many pore canals. The number of retinula cells in an ommatidium is irregular, but is usually twelve. These cells are arranged in two groups, i. e., distal and proximal, and each retinula cell bears a rhabdomere forming the fused rhabdom. Rhabdomic microvilli are irregular in arrangement and become vacuolar appearance in the proximal part of rhabdomeres. In this species the pigment cells are not differentiated into the primary and secondary pigment cells.

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  • 昆蟲

    昆蟲 47 (3), 258-271, 1979-09-25

    東京昆蟲學會

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