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The image presents a striking comparison of the cicada's molted skin under two different lighting conditions: regular daylight and ultraviolet (UV-A) blacklight illumination. The top photograph showcases the cicada's exoskeleton on a grass blade illuminated by natural daylight, while the bottom image reveals the same scene bathed in UV-A light. **Top Image (Daylight):** * **Subject:** A cicada's molted skin is prominently displayed on a grass blade. **Bottom Image (UV-A Blacklight):** * **Subject:** The same cicada's molted skin is again visible on the grass blade, but this time illuminated by a 365 nm UV-A blacklight. **Key Observations:** * **Coloration:** Under regular daylight, the cicada's exoskeleton appears brownish in hue. In contrast, UV-A light reveals a blue-green fluorescence emanating from various parts of the exoskeleton. **Conclusion:** The juxtaposition of these two images effectively illustrates the distinct effects of different light sources on the appearance of biological specimens. While regular daylight provides a general view of the cicada's exoskeleton, UV-A blacklight illumination reveals previously unseen features and patterns, underscoring the importance of specialized lighting techniques in scientific observation and documentation. – AI vision |
El escudo de una cicada muda en una hoja de hierba cuando se expone a la luz del día normal y cuando se ilumina con una luz negra ultravioleta (UV-A) de 365 nm en Lick Creek Park. College Station, Texas, 23 de agosto de 2024. La imagen muestra una comparación impactante del escudo de la cicada bajo dos condiciones de iluminación diferentes: luz diurna normal e iluminación con luz negra ultravioleta (UV-A). La fotografía superior presenta el exoesqueleto de una cicada en una hoja de hierba iluminado por luz natural, mientras que la imagen inferior muestra la misma escena bajo luz UV-A. **Imagen superior (Luz del día): ** |
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