Imbricated and toothed scales on a lateral surface of the head of the ground beetle Chlaenius tricol
Imbricated and toothed scales on a lateral surface of the head of the ground beetle Chlaenius tricolor. Collected in Tarrant Country, 1981. Micrograph by Howard J. Arnott and Cathy Boyles. The Center of Electron Microscopy. The University of Texas.source -- source link
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