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Structure and ultrastructure of the spermatozoa of Trichogramma pretiosum Riley and Trichogramma atopovirilia Oatman and Platner (Hymenoptera: Trichogrammatidae) by José Lino‐Neto; Sônia N. Báo; Heidi Dolder is a Environmental Science article available to read on EtoBox.

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## Abstract Lino‐Neto, J., Báo, S. N. and Dolder, H. 2000. Structure and Ultrastructure of the Spermatozoa of __Trichogramma pretiosum__ Riley and __Trichogramma atopovirilia__ Oatman and Platner (Hymenoptera: Trichogrammatidae). —__Acta Zoologica__ (Stockholm) **81**: 205–211 Spermatozoa of the __Trichogramma pretiosum__ and __T. atopovirilia__ are very slender and long, about 0.35 μm in diameter and 283 μm and 106 μm in length, respectively. Under light microscopy, they appear wavy along their entire length. The head contains a small acrosome which, together with the initial nuclear region is surrounded by an ‘extracellular sheath’, from which innumerable filaments irradiate. The nucleus is filled with homogeneous, compact chromatin and is attached to the flagellum by an electron dense centriolar adjunct, which extends anteriorly from the nuclear base. The flagellum consists of an axoneme with the 9 + 9 + 2 microtubule arrangement pitched in a long helix, as well as a pair of spiralling mitochondrial derivatives which coil around the axoneme. Based on these characteristics, the sperm of these __Trichogramma__ are very similar to the chalcidoids studied to date and differ from non

Who reads Structure and ultrastructure of the spermatozoa of Trichogramma pretiosum Riley and Trichogramma atopovirilia Oatman and Platner (Hymenoptera: Trichogrammatidae)?

Author

José Lino‐Neto; Sônia N. Báo; Heidi Dolder

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley (ISSN 0001-7272)

Published

2001

Language

EN

Field

Environmental Science (Physical Sciences)