Phylogenetics and taxonomy of Ventrops - the largest genus of Afrotropical Rhinophoridae (Diptera)

2012 ◽  
Vol 26 (3) ◽  
pp. 274 ◽  
Author(s):  
Pierfilippo Cerretti ◽  
Thomas Pape

Three new species of the Afrotropical genus Ventrops Crosskey, 1977 (V. aethiopicus, sp. nov., V. freidbergi, sp. nov. and V. stuckenbergi, sp. nov.) are described, and all seven known species are included in a morphology-based phylogenetic analysis both to provide a rigorous argumentation for the generic affiliation of the newly described species, and to provide a first explicit hypothesis of phylogenetic relationships between the included species. Also, by including exemplar species from several genera of the Rhinophoridae as outgroups, this analysis is the first explicitly phylogenetic definition of the genus Ventrops within a broader systematic context. The seven species of Ventrops are arranged in three species groups (milichioides-group, hannemariae-group and aethiopicus-group).

Zootaxa ◽  
2015 ◽  
Vol 4058 (2) ◽  
pp. 195 ◽  
Author(s):  
MARIA INÊS SILVA DOS PASSOS ◽  
GUSTAVO SILVA DE MIRANDA ◽  
JORGE LUIZ NESSIMIAN

2007 ◽  
Vol 21 (1) ◽  
pp. 73 ◽  
Author(s):  
Jie Wu ◽  
Hong-Zhang Zhou

The genus Priochirus Sharp (Coleoptera : Staphylinidae) is a rove beetle group with great variation in cephalic structures, especially the teeth on the frontal margin of head. In this paper, phylogenetic relationships among ten subgenera of the genus Priochirus sensu lato, and of Priochirus and other genera of the tribe Leptochirini are analysed. A cladistic analysis was conducted based on 62 characters of adult morphology. Results indicate that the genus Priochirus is not a monophyletic group and is divided into two lineages (called here Lineages I and II respectively). The subgenus Euleptarthrus Jakobson, which included three species-groups (japonicus, longicornis and malayanus), is shown to be polyphyletic. Lineage I corresponds with the Leiochirus + (Exochirus + Syncampsochirus) + (Eutriacanthus + (Plastus + (japonicus-group of Euleptarthrus + (Barychirus + Stigmatochirus)))) clade and forms a sister group to the genus Thoracochirus Bernhauer. Lineage II corresponds with the Priochirus, s. str. + (Cephalomerus + (longicornis- and malayanus-group of the Euleptarthrus)) clade. In addition, the analysis reveals sister relationships between representatives of Lineage I and the genus Thoracochirus. On the basis of phylogenetic inference, the genus Plastus Bernhauer, stat. nov. is proposed to include the subgenera of Lineage I and a new subgenus Sinumandibulus, subgen. nov., which is erected for the japonicus-group of the former subgenus Euleptarthrus. The genus Priochirus Sharp sensu novo is redefined to include the subgenera of Lineage II. Seven new species are described from China: Plastus (Sinumandibulus) curvaticornis, sp. nov. from Sichuan; Plastus (Sinumandibulus) recticornis, sp. nov. from Hubei; Priochirus (Euleptarthrus) amblyodontus, sp. nov. from Hunan; Priochirus (Euleptarthrus) baoxingensis, sp. nov. from Sichuan, Priochirus (Euleptarthrus) elongates, sp. nov. from Guizhou, Priochirus (Euleptarthrus) parvicornis, sp. nov. from Fujian and Priochirus (Euleptarthrus) oxygonus, sp. nov. from Hainan.


2001 ◽  
Vol 15 (2) ◽  
pp. 205 ◽  
Author(s):  
Ewa Krzeminska

Nothotrichocera antarctica (Edwards), Nothotrichocera tonnoiri Alexander and Nothotrichocera tasmanica Alexander are redescribed and a new species of the cingulata-group, N. collessi, sp. nov., is described. The eleven species of Nothotrichocera belong in four well-defined groups of species, which have evolved in geographically isolated, circum-Antarctic regions. The unique positions of N. tonnoiri and N. tasmanica are stressed. A key to the species-groups is given and a phylogenetic analysis of the genus is presented.


Zootaxa ◽  
2020 ◽  
Vol 4722 (6) ◽  
pp. 540-554 ◽  
Author(s):  
ANTHONY I. COGNATO ◽  
SARAH M. SMITH ◽  
ROGER A. BEAVER

As part of an ongoing revision of the Southeast Asian fauna two distinct species groups were identified and hypothesized as new genera. These species groups were monophyletic as evidenced by a Bayesian analysis of DNA sequences from four genes for 181 xyleborine taxa augmented by 18 species newly included in this phylogenetic analysis. The species groups and newly discovered species demonstrated unique combinations of diagnostic characters and levels of DNA sequence difference commensurable to other xyleborine taxa. Hence, two new genera and three new species were described: Fraudatrix gen. n., Tricosa gen. n., Tricosa cattienensis sp. n., T. indochinensis sp. n., T. jacula sp. n.. The following new combinations are proposed: Fraudatrix cuneiformis (Schedl, 1958) (Xyleborus) comb. n., Fraudatrix melas (Eggers, 1927) comb. n., F. pileatula (Schedl, 1975) (Xyleborus) comb. n., F. simplex (Browne, 1949), (Cryptoxyleborus) comb. n., Tricosa mangoensis (Schedl, 1942) (Xyleborus) comb. n., T. metacuneola (Eggers, 1940) (Xyleborus) comb. n. Keys to the females of the species included in the new genera are presented. Diagnostic characters are given for the genera and species, and the distribution and biology of each taxon is discussed. The addition of these new genera increases the number of recognized genera of Xyleborini to 41. 


2018 ◽  
Vol 50 (1) ◽  
pp. 1-35
Author(s):  
Daiara Manfio ◽  
Isaac Reis Jorge ◽  
Gael J. Kergoat ◽  
Cibele Stramare Ribeiro-Costa

The seed beetle genus Ctenocolum Kingsolver & Whitehead is peculiar because its preferred host Lonchocharpus Kunth (Fabaceae) is not preyed upon by other bruchine species. This study investigates the phylogenetic relationships and evolution of this genus and of its species groups, while providing the description of three new species and of the male of C. biolleyi Kingsolver & Whitehead. To infer phylogenetic relationships, a character matrix of 40 morphological characters was assembled and analysed using both parsimony and Bayesian inference. Ancestral state estimations of host plant use and biogeography analyses were also performed. A total of 22 species were examined: 16 Ctenocolum species (including the three new ones) and six outgroup bruchine species (from genera Caryedes Hummel, Meibomeus Bridwell, Pygiopachymerus Pic and Pachymerus Thunberg). All resulting trees support the monophyly of the genus Ctenocolum. Three synapomorphies characterize the genus: (i) head with frontal carina enlarged at base, (ii) male pygidium truncated apically, and (iii) lateral lobes of tegmen with dorsal process. The two known species groups are also recovered monophyletic in the parsimony analyses. The following three species are described: Ctenocolum inmaculatus Manfio & Ribeiro-Costa sp. nov. (Type locality: Venezuela, Guarico), which belongs to the group tuberculatum; Ctenocolum nigronotus Manfio & Ribeiro-Costa sp. nov. (Type locality: Porto Rico, Mayaguez) and C. pallidus Manfio & Ribeiro-Costa sp. nov. (Type locality: Republic of Guyana), which belong to the group podagricus. Finally, we present colored illustrations of dorsal patterns and male genitalia for these three new species and C. biolleyi in addition to an updated key for the genus Ctenocolum.


2019 ◽  
Vol 27 (3) ◽  
pp. 165-195
Author(s):  
Charlotte M. Taylor

Psychotria subg. Heteropsychotria Steyerm. has been shown by morphological and molecular analyses to be polyphyletic. Most of its species, including its type, belong to Palicourea Aubl. (“Pal.”). Thirty-two species of this group are reviewed here, and 17 species in Psychotria L. are transferred to Palicourea and one to Rudgea Salisb. Two replacement names, Pal. agudeloana C. M. Taylor and Pal. tabayensis C. M. Taylor, are published. Taxonomic studies here clarify circumscriptions of similar, often-confused species for several distinctive species groups found variously in Mesoamerica and the Andes: the Palicourea aschersonianoides group, the Palicourea galeottiana group, the Palicourea sulphurea group, and the Palicourea tristis group. Three new species of Palicourea are described: Pal. aschersonianula C. M. Taylor, Pal. gonzaleziana C. M. Taylor, and Pal. wachterae C. M. Taylor. Nineteen names are newly typified, and infrageneric classifications are noted for the species of Palicourea studied.


Zootaxa ◽  
2011 ◽  
Vol 2918 (1) ◽  
pp. 15 ◽  
Author(s):  
I. WESLEY GAPP ◽  
BRUCE S. LIEBERMAN ◽  
MICHAEL C. POPE ◽  
KELLY A. DILLIARD

The Early Cambrian olenelline trilobites are a diverse clade and have been the subject of several phylogenetic analyses. Here, three new species of Bradyfallotaspis Fritz, 1972 (B. coriae, B. nicolascagei, and B. sekwiensis) and one new species of Nevadia Walcott, 1910 (N. saupeae) are described from the Sekwi Formation of the Mackenzie Mountains, Northwest Territories, Canada. In addition, new specimens potentially referable to Nevadia ovalis McMenamin, 1987 were recovered that may expand that species’ geographic range, which was thought to be restricted to Sonora, Mexico. The results of a phylogenetic analysis incorporating several olenelline taxa, including Judomia absita Fritz, 1973 from the Sekwi Formation, are also presented herein. This species has been assigned to various olenelline genera, including Judomia Lermontova, 1951 and Paranevadella Palmer & Repina, 1993. Phylogenetic analysis suggests this species is closely related to Judomia tera Lazarenko, 1960 from Siberia. This phylogenetic relationship provides further support for the hypothesis that a close biogeographic relationship existed between Laurentia and Siberia during the Cambrian.


Zootaxa ◽  
2021 ◽  
Vol 5061 (2) ◽  
pp. 340-352
Author(s):  
MARCOS FIANCO ◽  
OSCAR J. CADENA-CASTAÑEDA ◽  
NEUCIR SZINWELSKI ◽  
LUIZ R. R. FARIA

Three new species of Anaulacomera are described, Anaulacomera (Anaulacomera) mariellae sp. n. and Anaulacomera (Anallomes) arlindoi sp. n., belonging respectively to the Inermis and Lanceolata species group, and Anaulacomera angelinae sp. n., placed as incertae sedis. The individuals were collected at the Iguaçu National Park and adjacent small fragments of Atlantic Forest, in southwestern Paraná state, Brazil. The description was based on external morphology of males. We also present distribution maps for the species of the Inermis and the Lanceolata species groups.  


MycoKeys ◽  
2021 ◽  
Vol 84 ◽  
pp. 103-139
Author(s):  
Guo-Jie Li ◽  
Shou-Mian Li ◽  
Bart Buyck ◽  
Shi-Yi Zhao ◽  
Xue-Jiao Xie ◽  
...  

Three new species of Russulasection Ingratae, found in Guizhou and Jiangsu Provinces, southern China, are proposed: R. straminella, R. subpectinatoides and R. succinea. Photographs, line drawings and detailed morphological descriptions for these species are provided with comparisons against closely-related taxa. Phylogenetic analysis of the internal transcribed spacer (ITS) region supported the recognition of these specimens as new species. Additionally, R. indocatillus is reported for the first time from China and morphological and phylogenetic data are provided for the Chinese specimens.


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