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Potential and limitations of X-Ray micro-computed tomography in arthropod neuroanatomy: A methodological and comparative survey
Classical histology or immunohistochemistry combined with fluorescence or confocal laser scanning microscopy are common techniques in arthropod neuroanatomy, and these methods often requireExpand
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Evolutionary morphology of the male reproductive system, spermatozoa and seminal fluid of spiders (Araneae, Arachnida)--current knowledge and future directions.
The male reproductive system and spermatozoa of spiders are known for their high structural diversity. Spider spermatozoa are flagellate and males transfer them to females in a coiled andExpand
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Silhouettella loricatula (Arachnida, Araneae, Oonopidae): A Haplogyne spider with complex female genitalia
The female genital system of the oonopid Silhouettella loricatula is astonishingly complex. The genital opening is situated medially and leads into an oval receptaculum that is heavily sclerotizedExpand
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Cephalic modifications in dimorphic dwarf spiders of the genus oedothorax (Erigoninae, Linyphiidae, Araneae) and their evolutionary implications
Reproductive competition among males selects for a broad variety of strategies and traits from mate guarding to nuptial food gifts. Males of many dwarf spider species possess conspicuous secondaryExpand
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On the occurrence of coenospermia in mesothelid spiders (Araneae: Heptathelidae).
Two species of the early derivative spider family Heptathelidae (Heptathela kimurai yanbaruensis and Ryuthela nishihirai nishihirai) have been investigated with respect to spermiogenesis, focussingExpand
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The male genital system of the cellar spider Pholcus phalangioides (Fuesslin, 1775) (Pholcidae, Araneae): development of spermatozoa and seminal secretion
BackgroundMost arthropods pass through several molting stages (instars) before reaching sexual maturity. In spiders, very little is known about the male genital system, its development and seminalExpand
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Extreme convergence in egg-laying strategy across insect orders
The eggs of stick and leaf insects (Phasmatodea) bear strong resemblance to plant seeds and are commonly dispersed by females dropping them to the litter. Here we report a novel egg-deposition modeExpand
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Effects of starvation on reproduction of the predacious mite Neoseiulus californicus (Acari: Phytoseiidae)
Effects of starvation on gravid females of Neoseiulus californicus were investigated at 20°C and 85% RH. When females that had been reared with abundant prey were swapped, just after laying theirExpand
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Ultrastructural observations of spermatozoa and spermiogenesis in Wandella orana Gray, 1994 (Araneae: Filistatidae) with notes on their phylogenetic implications.
Spermatozoa and spermiogenesis of the prithine filistatid spider Wandella orana are described. The spider produces coenospermia, i.e. sperm aggregations that include several single sperm cellsExpand
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