When oxygen is drawn into the abdomen through a tube called the abdominal trachea, it mixes with luciferin, and the resulting chemical reaction gives off a pale - yellow to reddish - green glow.
وهكذا ينبعث ضوء يتراوح لونه بين الاصفر الشاحب والاخضر الضارب الى الحمرة .‏