A quantitative analysis of the chemical composition of the haemolymph is provided. Sodium and chloride appear to be the major electrolytes primarily responsible for maintaining the osmotic balance. Besides a high concentration of trehalose, haemolymph also contains glucose and glycogen in low concentration. Neutral lipids, phospholipids and cholesterol are present in varying amounts. A high concentration of proteins and a low concentration of inorganic phosphorus seem to be peculiar features of the haemolymph of dragonfly larvae.


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Societas Internationalis Odonatologica

V.K. Thakare, D.B. Tembhare, M.W. Khan, & V. Pendharkar. (1980). Chemical composition of haemolymph in the larvae of the dragonfly Orthetrum chrysis (Selys) (Anisoptera: Libellulidae). Odonatologica, 9(4), 321–324.