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Oxford University Press, Journal of Insect Science, 1(15), p. 18-18, 2015

DOI: 10.1093/jisesa/iev003

Oxford University Press (OUP), Annals of the Entomological Society of America, 2(94), p. 251-256

DOI: 10.1603/0013-8746(2001)094[0251:uottot]2.0.co;2

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Histopathological Changes in Third-Instar and Adult Anastrepha ludens (Diptera: Tephritidae) After in vitro Heat Treatment

Journal article published in 2015 by E. Caro Corrales, L. Caro-Corrales, Angel Valdez-Ortiz, J. Caro Corrales, Jose Lopez-Valenzuela, Hector Lopez-Moreno, Daniel Coronado-Velazquez, Emilio Hernandez-Ortiz ORCID, Jose Rendon-Maldonado, Jorge M. Valdez
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The testis of Anastrepha ludens (Loew) has a special histological structure, which is different from the basic morphological arrangement. The organ consists of a single saclike follicle containing all the development zones of male sexual cells. The base of the follicle is modified as a seminal vesicle where spermatozoa mature. In the testis wall there is a peritoneal sheath of large cells, closely associated with tracheoles. The main feature of these cells is a cytoplasm full of pigment grains. The peritoneum is located on a continuous layer of muscles, not previously reported in insect morphology. There is an apical follicular epithelium supported by a thick basement membrane, and an epithelium at the base of the testis forming a chamber where the spermatozoa are released from the cysts. Most of the mature spermatozoa are inside deep folds of the basal epithelium cells.