The tarsal gland of ixodid ticks Ixodes persulcatus and Ixodes ricinus (Mesostigmata,Ixodidae) |
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| Authors: | S. A. Leonovich |
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| Affiliation: | (1) Department of Medical Entomology/Zoology, Central Institute of the Federal Armed Forces Medical Service, P.O. Box 7340, 56065 Koblenz, Germany;(2) Defense Pest Management Information Analysis Center, Armed Forces Pest Management Board, Walter Reed Army Medical Center, Washington, DC 20307-5001, USA |
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| Abstract: | A complicated multicellular gland is situated in all the leg tarsi, occupying from one third to half the segment. The glandular cells form a single-layer sack; the inner surface of the gland cavity is covered with the multi-layer membrane. Cuticular rods (“sinews”) of muscles moving the claw pass inside the gland cavity. The glandular cells are characterized by the presence of numerous microvilli on their apical surfaces and by the presence of secretory vacuoles. The basal part of each secretory cell is characterized by accumulations of lipid vacuoles and glycogen granules. Problems concerning the possible role of tarsal gland in the production of the trace pheromone are discussed. |
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