期刊
BIOLOGY LETTERS
卷 2, 期 1, 页码 58-61出版社
ROYAL SOC
DOI: 10.1098/rsbl.2005.0394
关键词
entomology; evolution; traumatic insemination; sexual conflict; Miridae
In traumatic insemination, males pierce females with hypodermic genitalia and ejaculate into the body cavity rather than into the genital tract. This has resulted in the evolution of female counter-adaptations in the form of para-genitalia to reduce the direct physical costs of mating. While rare in the animal kingdom, traumatic insemination is oddly prevalent in the true bug infraorder Cimicomorpha (Heteroptera), where it occurs in six families and is thought to have arisen twice. Here, we report the discovery of traumatic insemination and elaborate paragenital development in the plant bug genus Coridromius (Miridae), representing a third, independent emergence of traumatic insemination in this infraorder.
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