Is the Phasmatodea male genitalia useful for systematics? A case study in Creoxylus and Prexaspes (Insecta: Phasmatodea) from the Brazilian Amazon Basin
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DOI: 10.1016/j.jcz.2018.11.003
Abstract: Abstract The male genitalia have been neglected in Phasmatodea studies over the years. There are few works describing and illustrating this organ and no studies demonstrating its usage. Concerned by this matter, this paper aimed… read more here.
Keywords: systematics; male genitalia; useful systematics; genitalia useful ... See more keywords
Proper direction of male genitalia is prerequisite for copulation in Drosophila, implying cooperative evolution between genitalia rotation and mating behavior
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DOI: 10.1038/s41598-018-36301-7
Abstract: Animal morphology and behavior often appear to evolve cooperatively. However, it is difficult to assess how strictly these two traits depend on each other. The genitalia morphologies and courtship behaviors in insects, which vary widely,… read more here.
Keywords: direction; male genitalia; genitalia prerequisite; direction male ... See more keywords
Variations in genetic structure and male genitalia suggest recent lineage diversification in the Neotropical dung beetle complex Canthon cyanellus (Scarabaeidae: Scarabaeinae)
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DOI: 10.1093/biolinnean/blaa131
Abstract: We analysed the genetic divergence and morphology of the aedeagus (i.e. phallobase and parameres) in Canthon cyanellus at different geographical levels. The results from both approaches were compared with the current taxonomic assignment of the… read more here.
Keywords: male genitalia; variation; cyanellus; canthon cyanellus ... See more keywords
No evidence for asymmetric sperm deposition in a species with asymmetric male genitalia
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DOI: 10.1101/2022.03.19.485007
Abstract: Background Asymmetric genitalia have repeatedly evolved in animals, yet the underlying causes for their evolution are mostly unknown. The fruitfly Drosophila pachea has asymmetric external genitalia and an asymmetric phallus with a right-sided gonopore. The… read more here.
Keywords: male genitalia; asymmetric male; sperm deposition; asymmetric sperm ... See more keywords
Myths and facts about the absence of socii in the male genitalia of Larentiinae (Lepidoptera: Geometridae)
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DOI: 10.11646/zootaxa.4286.2.8
Abstract: The definition of the term ‘socius’ is evaluated. Considering several recent publications, in which it was assumed that the socii were generally lacking in the male genitalia of the larentiine moths of the family Geometridae,… read more here.
Keywords: male genitalia; socii male; larentiinae; absence socii ... See more keywords
American Asteraceae-feeding Astrotischeria species with a highly modified, three-lobed valva in the male genitalia (Lepidoptera, Tischeriidae).
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DOI: 10.11646/zootaxa.4469.1.1
Abstract: We review eleven Astrotischeria Puplesis Diškus (Lepidoptera: Tischeriidae) species which possess a novel character for the Tischeriidae family: a highly modified valva of the male genitalia with one ventral and two dorsal lobes (or processes).… read more here.
Keywords: male genitalia; kus stonis; kus; stonis nov ... See more keywords
Male genitalia morphology and dichotomous key of the Neotropical genera of Abracrini (Orthoptera: Acrididae: Ommatolampidinae) grasshoppers.
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DOI: 10.11646/zootaxa.5159.3.4
Abstract: The comparative analysis of the internal and external male genitalia of the Abracrini grasshoppers was conducted, including representatives of the type species of the genera, specimens compared with the same or more representative specimens of… read more here.
Keywords: male genitalia; abracrini; genera; morphology dichotomous ... See more keywords
Dishkeya, a recently described endemic Tischeriidae genus, now discovered in Colombia.
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DOI: 10.11646/zootaxa.5214.2.8
Abstract: This paper describes Dishkeya ursipedella Diškus, Mey & Stonis, sp. nov. from Cundinamarca, Choachi (Colombia). The new species was collected at night time at light, therefore, the host plant remains unknown. The examination of morphology… read more here.
Keywords: male genitalia; dishkeya recently; described endemic; genus ... See more keywords
Perineal Ectopia of Male Genitalia
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DOI: 10.31487/j.ijscr.2020.03.12
Abstract: The authors present a case of Perineal Ectopia of Male External Genitalia with successful surgical treatment. read more here.
Keywords: ectopia male; male genitalia; perineal ectopia;
DNA Barcoding versus Morphological Variability of Pterostichus brevicornis brevicornis (Kirby, 1837) (Coleoptera, Carabidae) in the Arctic and Subarctic
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DOI: 10.3390/insects13020204
Abstract: Simple Summary Taxonomic studies on a polymorphic species inhabiting a region with relatively uniform environmental conditions (e.g., the Arctic) should involve an integrative approach. Ground beetles such as the subgenus Cryobius of the genus Pterostichus… read more here.
Keywords: male genitalia; brevicornis; brevicornis kirby; variability ... See more keywords
Phylogeny and Integrative Taxonomy of the Genera Gymnaetoides and Pseudotachycines (Orthoptera: Rhaphidophoridae)
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DOI: 10.3390/insects13070628
Abstract: Simple Summary The genera Gymnaetoides and Pseudotachycines are morphologically homogeneous and species could not be classified according to the given generic diagnosis. Here, we reconstruct the phylogeny, and the results show that both Gymnaetoides and… read more here.
Keywords: male genitalia; genera; genera gymnaetoides; gymnaetoides pseudotachycines ... See more keywords