scholarly journals The African Species of Drepanolejeunea Vesiculosa Group with Description of Drepanolejeunea Vanderpoortenii Spec. Nova (Jungermanniopsida) from Madagascar

2021 ◽  
Vol 63 (1-2) ◽  
pp. 195-212
Author(s):  
T. Pócs
Keyword(s):  
Indian Ocean ◽  
Molecular Analysis ◽  
Species Group ◽  
Identification Key ◽  
African Species ◽  
Distributional Patterns ◽  
Morphological Investigations ◽  
Ocean Islands

Drepanolejeunea clavicornis and D. friesii were previously synonymised with D. physaefolia or all of them with D. vesiculosa. In the meantime, Drepanolejeunea vandenberghenii was described from the same species group, as new. In this paper many African specimens are compared with the original descriptions of the above species. Morphological investigations of these and their distributional patterns suggested that the former synonymisation was not justified. In addition, a new, rheophytic species from the same group: Drepanolejeunea vanderpoortenii, is described, as new to science. As a result, from the taxa related to Drepanolejeunea vesiculosa, now six species are recognised from Africa, including its Indian Ocean islands. For these 6 morphotaxa an identification key is provided. The results need confirmation by a future molecular analysis.

Rhagovelia of Madagascar and adjacent Indian Ocean Islands (Hemiptera: Veliidae): Revision of the diabolica species group

2010 ◽  
Vol 41 (2) ◽  
pp. 143-186 ◽  
Author(s):  
Nils Møller Andersen ◽  
Dan Polhemus
Keyword(s):  
New Species ◽  
Indian Ocean ◽  
Morphological Characters ◽  
Species Group ◽  
Current Paper ◽  
Distribution Maps ◽  
Ocean Islands

AbstractRiffle bugs in the genus Rhagovelia have diversified extensively on the island of Madagascar. The current paper defines and segregates a distinct set of species within this endemic assemblage as the diabolica group, containing the previously described species R. diabolica Poisson, R. beangonyi Poisson, and R. milloti Poisson, as well as the following new species described herein: R. compacta and R. suarezensis from northern Madagascar; R. manankazo and R. angulata from central Madagascar; and R. madecassa, R. scupturata and R. origami from eastern Madagascar. Figures of key morphological characters, including male parameres are provided for all species, accompanied by distribution maps.

scholarly journals Afropectinariella (Vandeae, Orchidaceae), a new genus of the Angraecum alliance

PhytoKeys ◽  
2018 ◽  
Vol 96 ◽  
pp. 79-86 ◽  
Author(s):  
Murielle Simo-Droissart ◽  
Bonaventure Sonké ◽  
Vincent Droissart ◽  
Tariq Stévart
Keyword(s):  
Indian Ocean ◽  
New Genus ◽  
Western Indian Ocean ◽  
Phylogenetic Study ◽  
Gulf Of Guinea ◽  
African Species ◽  
Sister Clade ◽  
Previously Treated ◽  
Ocean Islands

A recent phylogenetic study showed that species assigned to the newly recognised genus Pectinariella Szlach., Mytnik & Grochocka (previously treated as AngraecumBorysect.Pectinaria Benth.) are polyphyletic, comprising a clade with species primarily in Madagascar and the Western Indian Ocean islands (including the type) and another non-sister clade whose members occur in continental Africa and the Gulf of Guinea islands. In order to render Pectinariella monophyletic, the five continental African species must therefore be removed. A new genus, Afropectinariella M.Simo & Stévart, is described and the following combinations are made: Afropectinariellaatlantica (Stévart & Droissart) M.Simo & Stévart, Afropectinarielladoratophylla (Summerh.) M.Simo & Stévart, Afropectinariellagabonensis (Summerh.) M.Simo & Stévart, Afropectinariellapungens (Schltr.) M.Simo & Stévart and Afropectinariellasubulata (Lindl.) M.Simo & Stévart.

A revision of the wax scale insects (Hemiptera: Sternorrhyncha: Coccoidea: Ceroplastinae) of the Afrotropical Region

Zootaxa ◽  
2012 ◽  
Vol 3372 (1) ◽  
pp. 1 ◽  
Author(s):  
CHRIS J. HODGSON ◽  
ANA L. B. G. PERONTI
Keyword(s):  
Indian Ocean ◽  
Scale Insect ◽  
Species Group ◽  
Scale Insects ◽  
Afrotropical Region ◽  
The Status ◽  
Specific Rank ◽  
The Indian Ocean ◽  
Species Groups ◽  
Ocean Islands

This paper reviews all species within the scale insect subfamily Ceroplastinae (Hemiptera: Sternorrhyncha: Coccoidea:Coccidae) known from the Afrotropical Region (here including the whole of Africa, the Atlantic islands of Azores,Madeira, Canary Is., São Tomé, Principe, and Cape Verde Is., and the Indian Ocean islands of Madagascar, Seychelles,Mauritius, Réunion, Comoros, and Aldabra). At the start of the review, there were 64 species of wax scale insects andsubspecies in 4 genera recorded from this area. This paper describes or redescribes 58 species, 9 of them new, andsynonymises 18 species. We consider that these species are best placed in 19 species-groups and 2 genera, CeroplastesGrey and Waxiella De Lotto, based on adult female morphology. Only 1 species and 1 subspecies previously recordedfrom Africa have not been seen (Waxiella erithraeus (Leonardi) and Waxiella mimosae neghelli (Bellio)). The preciseidentity of species close to C. rusci (Linnaeus) in Africa still requires further study, probably using molecular analysis asseveral records are considered to refer to cryptic or sibling species. The records of C. ceriferus (Fabricius) and C.actiniformis Green from Africa are considered to be misidentifications. The new species are: C. balachowskyi Hodgson& Peronti spec. nov., C. danieleae Hodgson & Peronti spec. nov., C. delottoi Hodgson & Peronti, spec. nov., C. elaeisHodgson & Peronti, spec. nov., C. ghesquierei Hodgson & Peronti spec. nov., C. jos Hodgson & Peronti spec. nov., C.mori Hodgson & Peronti spec. nov., C. neobrachystegiae Hodgson & Peronti spec. nov. and C. newsteadi Hodgson &Peronti spec. nov. The new synonymies are: Ceroplastes longicauda sapii Hall syn. nov of C. longicauda Brain.;Ceroplastes candela Cockerell & King syn. nov. of Gascardia madagascariensis Targioni Tozzetti (now in Ceroplastes);C. combreti Brain syn. nov. of G. madagascariensis; C. uapacae Hall syn. nov. of C. personatus Newstead; C.vinsonioides Newstead syn. nov. of C. personatus; C. fumidus De Lotto syn. nov. of Coccus rusci Linnaeus (now inCeroplastes); C. hololeucus De Lotto syn. nov. of C. singularis Newstead; C. spicatus Hall syn. nov. of C. eucleae Brain;C. coniformis Newstead syn. nov. of C. theobromae Newstead; C. constricta De Lotto syn. nov. of C. lamborni Newstead;Ceroplastes egbarum fulleri Cockerell & Cockerell syn. nov. of C. egbara Cockerell (now in Waxiella); Ceroplastesegbarum rhodesiensis Hall syn. nov. of C. egbara; Ceroplastes martinoi Almeida syn. nov. of C. egbara; Ceroplastesugandae Newstead syn. nov. of C. egbara; Ceroplastes zonatus Newstead syn. nov. of C. egbara; Ceroplastes berliniaeHall syn. nov. of C. subsphaerica Newstead (now in Waxiella); Ceroplastes berlineae enkeldoorni Hall syn. nov. of C.subsphaerica; and Waxiella tamaricis Ben-Dov syn. nov. of C. mimosae Signoret (now in Waxiella). A neotype isdesignated for Coccus rusci Linnaeus (now Ceroplastes rusci (L.)). The subspecies Ceroplastes africanus senegalensisMarchal is here raised to specific rank and transferred to Waxiella as W. senegalensis (Marchal) stat. nov. Ceroplastesluteolus De Lotto, previously synonymised with C. brevicauda Hall, and C. tenuitectus Green, previously synonymisedwith C. rusci (L.), are here accepted as good species (stat. rev.). Ceroplastes cirripediformis Comstock is recorded fromAfrica (South Africa) for the first time. Waxiella uvariae (Marchal) is transferred back to Ceroplastes as C. uvariaeMarchal stat. rev. Due to the large number of synonymies introduced here and in order to stabilise the status of some ofthe species, lectotypes have been designated for the following species: C. afrinanus senegalensis Marchal; C. berliniae Hall; C. berliniae enkeldoorni Hall; C. bipartitus Newstead; C. brevicauda Hall; C. coniformis Newstead; C. egbarumfulleri Cockerell & Cockerell; C. egbarum rhodesiensis Hall; C. elytropappi Brain; C. eucleae Brain; C. eugeniae Hall;C. ficus Newstead; C. galeatus Newstead; C. helichrysi Hall; C. lamborni Newstead; C. longicauda Brain; C. personatusNewstead; C. quadrilineatus Newstead; C. quadrilineatus simplex Brain; C. quadrilineatus royenae Hall; C. singularisNewstead; C. sinoiae Hall; C. tachardiaformis Brain; C. tenuitectus Green; C. toddaliae Hall; C. toddaliae spicatus Hall;C. uapacea Hall; C. uapacea chrysophyllae Hall; C. ugandae Newstead; C. uvariae Marchal; C. vinsonioides Newstead;C. vuilleti Marchal and C. zonatus Newstead. Keys are provided to identify the 19 species-groups recognised from thearea here studied and to all species in each species-group. There is a short final discussion, including such topics as thedistribution and the relationships of the species found on the Atlantic and Indian Ocean Islands. Maps are providedshowing the country distribution of each of the species covered and a list of plant species known as host of Ceroplastinae in the Afrotropical Region is appended.

Revision of the Metallactus kollari species-group with a new diagnosis of the genus (Coleoptera: Chrysomelidae: Cryptocephalinae)

Zootaxa ◽  
2018 ◽  
Vol 4413 (1) ◽  
pp. 57
Author(s):  
DAVIDE SASSI
Keyword(s):  
Type Species ◽  
Species Group ◽  
Identification Key ◽  
Original Diagnosis ◽  
Taxonomic Treatment ◽  
Species Groups ◽  
New Diagnosis ◽  
Good Resource

The genus Metallactus has been controversial since its introduction due to the ambiguous nature of the original diagnosis. This has caused some confusion in the taxonomy of Neotropical Pachybrachina. In this work the morphology of endophallus, which is useful for the characterization of species groups in several groups of Coleoptera, including Cryptocephalinae, has been analyzed. This has proven to be a good resource also in the taxonomic treatment of the species belonging to the genus Metallactus. After a careful survey on most of the species described so far, the endophallus shape in Metallactus turned out to be remarkably distinctive and very promising in the delimitation of species groups. The present work includes: a) a new diagnosis of the genus Metallactus on the basis of the aedeagal anatomy; b) the designation of the type species of the nominal genus; c) the revision of a first species-group of the genus, including the type species, hereinafter called Metallactus kollari species-group. Before this revision, catalogues had been reporting 13 species attributable to this group, in the present work three species have been synonymized and seven have been described as new to science. Therefore, the group includes 17 species. The species described as new are: Metallactus rileyi n. sp., M. bellatrix n. sp., M. longicornis n. sp.; M. londonpridei n. sp., M. regalini n. sp., M. bezoar n. sp., M. guarani n. sp. The new synonymies are as follows: Metallactus albipes Suffrian, 1866 (= M. nigrofasciatus Suffrian, 1866 n. syn.), M. albifrons Suffrian, 1866 (= M. flavofrontalis Jacoby, 1907 n. syn.), M. dodecastictus Suffrian, 1866 (= Griburius nigritarsis Jacoby, 1907 n. syn.). The lectotypes of all previously described species have been designated. The new synonymies, the name-bearing type fixations and designations and the nomenclatural acts have been critically discussed. An identification key for the species-group is also provided. 

A new species and distribution records of Dichotomius Hope, 1838 (Coleoptera: Scarabaeidae: Scarabaeinae) in Colombia

Zootaxa ◽  
2021 ◽  
Vol 4942 (2) ◽  
pp. 193-206
Author(s):  
WILLIAM CHAMORRO ◽  
ALEJANDRO LOPERA-TORO ◽  
MICHELE ROSSINI
Keyword(s):  
New Species ◽  
Systematic Position ◽  
Species Group ◽  
Identification Key ◽  
First Time ◽  
A New Species

Dichotomius (Dichotomius) quadrilobatus new species (Coleoptera: Scarabaeidae: Scarabaeinae: Dichotomiini), from western Amazonia (Brazil, Colombia, Ecuador and Peru) is described and its putative systematic position within the Dichotomius boreus species group is discussed. An updated identification key to the species of the Dichotomius boreus species group is provided. Additionally, Dichotomius (Selenocopris) fortepunctatus Luederwaldt, 1923 is recorded for the first time in Colombia. 

scholarly journals Indian Ocean Islands: geopolitics, ocean, environment

2017 ◽  
Vol 13 (2) ◽  
pp. 131-132
Author(s):  
Christian Bouchard ◽  
Shafick Osman
Keyword(s):  
Indian Ocean ◽  
Ocean Environment ◽  
Ocean Islands
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