Gynandromorphs in Chrysotus spectabilis (Diptera: Dolichopodidae) and considerations for sclerite homology for the Diptera terminalia
刊名: Journal of Insect Biodiversity, 2018, Vol.7 (3), pp.51-57
来源数据库: Journal of Insect Biodiversity
DOI: 2018.07.3.2
原始语种摘要: Field-collected gynandromorph specimens of Chrysotus spectabilis (Loew) (Diptera: Dolichopodidae) from the Brazilian State of Paraná are described and illustrated, with special reference to their terminalia morphology and intersexual homology between sclerites. Based both on the position of the male clasping structures in the female gynander (arising dorsally from the acanthophorites) and the acanthophorites in the male gynander (arising from the genital capsule), it is argued that the “revised epandrial hypothesis” offers a more robust explanation for the male terminalia homology in Diptera than alternative hypotheses (namely, periandrial and hinge hypotheses). Additionally, the segmental origin of female acanthophorites is re-evaluated and assumed to be a product of fusion between...
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  • Diptera 双翅目
  • sclerite 骨片
  • terminalia 榄仁树
  • gynandromorph 雌雄嵌体
  • homology 同源
  • tergite 背板
  • rather 宁愿
  • position 位置
  • hypothesis 假说
  • female 女性的