Cryptic genera, cryptic species: phylogeny of the genus Philopteroides Mey, 2004, sensu lato, with descriptions of two new genera and one new species
2024
Ren, Mengjiao | Tian, Chunpo | Grossi, Alexandra A. | Zou, Fasheng | Gustafsson, Daniel
Closely related chewing lice in the Philopterus-complex are typically morphologically homogeneous, with the most significant differences often being in the male genitalia. However, in many groups within this complex the male genitalia are reduced and lacking one or more element, with the remaining components often at least partially fused. This is not least the case in the genus Philopteroides Mey, 2004, in which the male mesosome is often reduced and other characters are largely homogeneous throughout the genus. A phylogeny of the group based on a combination of mitochondrial and nuclear genes suggests that the species presently placed in Philopteroides belong to three different clades, which do not form a monophyletic group together. We here redefine Philopteroides morphologically, and describe two of these clades as new genera: Stasiasticopterus n. gen. for the species on bulbuls, and Coronedax n. gen. for species on monarch flycatchers. These genera can be separated from each other and from Philopteroides only by some characters of the male genitalia, but possibly also by characters of the preantennal head and female genitalia. In addition, we describe a new species of Coronedax, Coronedax longiceps sp. n. and provide an overview of the morphology of the male genitalia in the three genera treated.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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