Abstract
Anatomy and ultrastructure of the female and male reproductive system inAcarus siro L. were investigated by light and electron microscopy. The female system consists of paired ovaries of nutrimentary type in which oogonia and oocytes are connected by bridges with a large central cell. The oviducts empty into the uterus, which passes into preoviporal duct lined bycuticle, and opening as a longitudinal slit (oviporus). An elongated accessory gland composed of one type of secretory cell is located along each oviduct. The copulatory opening occurs at the posterior margin of the body and leads, via the inseminatory canal, to the receptaculum seminis, consisting of the basal and saccular part. Both inseminatory canal and basal part of receptaculum seminis are lined by cuticle, whereas the wall of the sac is formed by cells covered only by long, numerous microvilli. The basal part of the receptaculum seminis joins the ovaries via two lumenless transitory cones.
The male reproductive system contains paired testes, in which spermatogonia tightly surround the central cell. The proximal part of the paired vasa deferentia serves as a sperm reservoir, while the distal one has a glandular character. An unpaired, cuticle-lined ejaculatory duct opens into the apex of the aedeagus. The single accessory gland is located asymmetrically at the level of, or slightly posterior to, coxae IV.
The structure of the genital papillae, which are topographically related to the genital opening in both sexes, is also briefly described.
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References
Alberti, G., 1977. Zur Feinstruktur und Funktion der Genitalnapfe vonHydrodroma despiciens (Hydrachnellae Acari). Zoomorphologie, 87: 155–164.
Alberti, G., 1979. Fine structure and probable function of genital papillae and Claparède organs of Actinotrichida. In: J.G. Rodriguez (Editor), Recent Advances in Acarology. Academic Press, New York, Vol. 2, pp. 501–507.
Alberti, G., 1980. Zur Feinstruktur der Spermien und Spermiocytogenese der Milben (Acari). II. Actinotrichida. Zool. Jaarb. Anat., 104: 144–203.
Alberti, G. and Crooker, A.R., 1985. Internal anatomy. In: W. Helle and M.W. Sabelis (Editors), Spider Mites. Their Biology, Natural Enemies and Control. Elsevier, Amsterdam, Vol. A, pp. 29–62.
Alberti, G. and Storch, V., 1976. Ultrastruktur-Untersuchungen am männlichen Genitaltrakt und an Spermien vonTetranychus urticae (Tetranychidae, Acari). Zoomorphologie, 83: 283–296.
Alberti, G. and Zeck-Kapp, G., 1986. The nutrimentary egg development of the mite,Varroa jacobsoni (Acari, Arachnida), an ectoparasite of honey bees. Acta Zool. (Stockholm), 67: 11–25.
Baker, G.T. and Krantz, G.W., 1985. Structure of the male and female reproductive and digestive systems ofRhizoglyphus robini Claparède (Acari, Acaridae). Acaologia, 26: 55–65.
Bartsch, J., 1973.Porohalacarus alpinus (Thor) (Halacaridae, Acari), ein morphologischer Vergleich mit marinen Halacariden nebst Bemerkungen zur Biologie dieser Art. Entomol. Tidskr., 94: 116–123.
Boczek, J. and Griffiths, D.A., 1979. Spermatophore production and mating behaviour in the stored product mitesAcarus siro andLardoglyphus konoi. In: J.G. Rodriguez (Editor), Recent Advances in Acarology. Academic Press, New York, Vol. 1, pp. 279–284.
del Cerro, M., Cogen, J. and del Cerro, C., 1980. Stevenel's blue, an excellent stain for optical microscopical study of plastic embedded tissues. Microsc. Acta, 83: 117–121.
Grandjean, F., 1946. Au sujet de l'organe de Claparède des eupathidies multiples et des taenidies mandibulaires chez les Acariens actinochitineux. Arch. Sci. Phys. Nat. Genève, 28: 63–87.
Griffiths, D.A. and Boczek, J., 1977. Spermatophores of some acaroid mites (Astigmata: Acarina). Int. J. Insect Morphol. Embryol., 6: 231–238.
Heinemann, R.L. and Hughes, R.D., 1970. Reproduction, reproductive organs, and meiosis in the bisexual nonparthenogenetic miteCaloglyphus mycophagus, with reference to oocyte degeneration in virgins (Sarcoptiformes; Acaridae). J. Morphol., 130: 93–102.
Hughes, T.E., 1954. The internal anatomy of the miteListrophorus leuckarti (Pagenstecher, 1861). Proc. Zool. Soc. Lond., 124: 239–256.
Hughes, T.E., 1959. The reproductive system. In: Mites or the Acari. Athlone Press, London, pp. 173–180
Kuo, J.S. and Nesbitt, H.H.J., 1970. The internal morphology and histology of adultCaloglyphus mycophagus (Megin) (Acarina: Acaridae). Can. J. Zool., 48: 505–518.
Michael, A.D., 1901. British Tyroglyphidae. Proc. R. Soc. London, 1: 1–291.
Nalepa, A., 1884. Die Anatomie der Tyroglyphen. I. Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften, Wien, 90: 197–228.
Nalepa, A., 1885. Die Anatomie der Tyroglyphen. II. Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften, Wien, 92: 116–167.
Nevin, F.R., 1935. Anatomy ofCnemidocoptes mutans (R. and L.), the scaly-leg mite of poultry. Ann. Entomol. Soc. Am., 28: 338–367.
Oboussier, H., 1939. Beiträge zur Biologie und Anatomie der Wohnungsmilben. Z. Angew. Entomol., 26: 253–296.
Osanai, M., Kasuga, H. and Aigaki, T., 1987. The spermatophore and its structural changes with time in the bursa copulatrix of the silkworm,Bombyx mori. J. Morphol., 193: 1–11.
Ottoboni, F., Falagiani, P. and Centanni, S., 1984. Gli acari allergenici. Boll. lst. Sieroter., Milan., 63: 389–419.
Perron, R., 1954. Untersuchungen über Bau, Entwicklung und Physiologie der MilbeHistiostoma laboratorium Hughes. Acta Zool. (Stockholm), 35: 71–176.
Prasse, J., 1968. deUntersuchungen über Oogenese, Befruchtung, Eifurchung und Spermatogenese bieCaloglyphus berlesei Michael 1903 undC. michaeli Oudemans 1924 (Acari, Acaridae). Biol. Zentralb., 87: 757–775.
Reger, J.F., 1977. A fine structure study on vitelline envelope formation in the mite,Caloglyphus anomalus. J. Submicrosc. Cytol., 9: 115–125.
Szlendak, E., Boczek, J., Bruce, W. and Davis, R., 1985. Effect of gamma-radiated males on egg production inAcarus siro. Fla. Entomol., 68: 286–290.
Szöllösi, A., and Marcaillou, C., 1979. The apical cell of the locust testis: an ultrastructural study. J. Ultrastruct. Res., 69: 331–342.
Taberly, G., 1987. Recherches sur la parthénogenèse thélytoque de deux espèces d'acariens oribates:Trhypochthonius tectorum (Berlese) etPlatynothrus peltifer (Koch). III. Étude anatomique, histologique et cytologique des femelles parthénogénétiques. 2 partie. Acarologia, 28: 389–403.
Vercammen-Grandjean, P.H., 1975. Les organes de Claparède et les papilles génitales de certains acariens-sont-ils de organes respiratoires? Acarologia, 17: 624–630.
Vijayambika, V. and John, P.A., 1975. Internal morphology and histology of the fish miteLardoglyphus konoi (Sasa and Asanuma) (Acarina: Acaridae). 2. The reproductive system. Acarologia, 17: 106–113.
Weyda, F., 1980. Reproductive system and oogenesis in active females ofTetranychus urticae (Acari: Tetranychidae). Acta Entomol. Bohemoslov, 77: 375–377.
Witaliński, W., 1987. Topographical relations between oocytes and other ovarian cells in three mite species (Acari). Acarologia, 28: 297–306.
Witaliński, W., 1988. Spermatogenesis and postinseminational alterations of sperm structure in a sarcoptid mite,Notoedres cati (Hering) (Acari, Acaridida, Sarcoptidae). Acarologia, 29: 411–421.
Witaliński, W., Jończy J. and Godula, J., 1986. Spermatogenesis and sperm structure before and after insemination in two acarid mites,Acarus siro L. andTyrophagus putrescentiae (Schrank) (Acari: Astigmata). Acarologia, 27: 41–51.
Woodring, J.P. and Carter, S.C., 1974. Internal and external morphology of the deutonymph ofCaloglyphus boharti (Arachnida: Acari). J. Morphol., 144: 275–295.
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Witaliński, W., Szlendak, E. & Boczek, J. Anatomy and ultrastructure of the reproductive systems ofAcarus siro (Acari: Acaridae). Exp Appl Acarol 10, 1–31 (1990). https://doi.org/10.1007/BF01193970
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DOI: https://doi.org/10.1007/BF01193970