Phylogeny of the Limnophilinae (Limoniidae) and early evolution of the Tipulomorpha (Diptera)

2008 ◽  
Vol 22 (6) ◽  
pp. 627 ◽  
Author(s):  
Guilherme Cunha Ribeiro
Keyword(s):  
Adult Male ◽  
Male Genitalia ◽  
Cladistic Analysis ◽  
Sister Group ◽  
Morphological Characters ◽  
Systematic Position ◽  
Sensu Stricto ◽  
Crane Flies ◽  
Male Morphology ◽  
First Time

Tipulomorpha (crane flies) comprise one of the largest subgroups of Diptera, but its phylogeny at different levels has been poorly explored. This study presents the most comprehensive cladistic analysis of the group ever made, with emphasis on the genera and subgenera of the subfamily Limnophilinae (Limoniidae), assumed to include some of the earliest lineages of Tipulomorpha sensu stricto and therefore important for the understanding of the early patterns in the evolution of the crane flies. Eighty-eight characters of the male imago were scored for 104 exemplar species. The most parsimonious trees were searched using implied weighting, in the framework of a sensitivity analysis with different values of k (2 to 6). The dataset based on the characters of adult male morphology showed high levels of homoplasy and yielded very incongruent and unstable phylogenetic results, which are very sensitive to changes in analytical parameters. In the preferred and most parsimonious phylogenetic hypothesis, the Pediciidae is the sister-group of all other Tipulomorpha sensu stricto. The results indicate the paraphyly of the Limoniidae with respect to the Cylindrotomidae and Tipulidae, which are considered sister-groups. The Limoniidae subfamilies Limnophilinae, Limoniinae and Chioneinae are considered non-monophyletic. The study allowed a reconstruction of the possible ground plan condition of selected features of the adult male morphology of crane flies. The genera/subgenera Epiphragma (Epiphragma), Acantholimnophila, Shannonomyia, Limnophila (Arctolimnophila), Eloeophila, Conosia, Polymera, Polymera (Polymerodes), Prionolabis, Eutonia, Phylidorea (Phylidorea), Metalimnophila, Gynoplistia (Cerozodia), Gynoplistia (Dirhipis), Nothophila, Pseudolimnophila (Pseudolimnophila), Pilaria and Ulomorpha are considered monophyletic, but in general are defined by combinations of very homoplastic character states. Two Temperate Gondwanan clades, (Tonnoirella + (Edwardsomyia + (Tinemyia + (Rhamphophila + (Nothophila))))) and ((Notholimnophila + Bergrothomyia) + (Mesolimnophila + (Chilelimnophila + Ctenolimnophila))) are recovered. The genera Limnophila, Neolimnomyia, Gynoplistia (sensu lato) and Hexatoma (sensu lato) are considered non-monophyletic. The systematic position and some morphological characters of ‘problematic’ taxa, such as Dactylolabis, Elephantomyia, Helius and Atarba are discussed on the light of the proposed phylogeny and the analysis of the characters. Character states are richly illustrated. A detailed study of the morphology of the male genitalia is made, and several genera and species have the morphology of the male genitalia illustrated for the first time.

New species, redescriptions and phylogenetic revision of tribe Dacini (Diptera: Tephritidae: Dacinae) from India based on morphological characters

Zootaxa ◽  
2019 ◽  
Vol 4551 (2) ◽  
pp. 101 ◽  
Author(s):  
K. J. DAVID ◽  
S. RAMANI
Keyword(s):  
New Species ◽  
Phylogenetic Relationships ◽  
Cladistic Analysis ◽  
Sister Group ◽  
Morphological Characters ◽  
Plant Character ◽  
The World ◽  
Two New Species ◽  
First Time ◽  
Phylogenetic Revision

The tribe Dacini comprising four genera, namely Bactrocera Macquart, Dacus Fabricius, Monacrostichus Bezzi and Zeugodacus Hendel, is a derived lineage in Tephritidae. It is one of the most economically important tribes in Tephritidae harbouring several species of quarantine concern across the world. We describe two new species of Bactrocera Macquart, B. (Parazeugodacus) conica David & Ramani, sp. n. & B. (B.) prabhui David, sp. n. from India. Postabdominal structures of males and/or females of 23 species of Bactrocera, 16 species of Zeugodacus and 8 species of Dacus from India are illustrated and described for the first time, which revealed similarities between Dacus and Zeugodacus with respect to epandrial shape and praeputium patterning. Bactrocera is unique in possessing oval shaped epandrium and an unpatterned praeputium. An analysis of phylogenetic relationships between three genera of the tribe Dacini from India based on morphological characters has been attempted for the first time. Cladistic analysis employing 51 characters of 62 species in Dacini, with seven species as outgroups revealed the monophyly of Dacini, Bactrocera and Dacus with supporting nonhomplasious synapomorphies. Ichneumonopsis Hardy, often included in the Gastrozonini, does not possess any synapomorphies of Dacini, eventhough it appeared at the base of the Dacini clade. Zeugodacus was retrieved as a monophyletic sister-group to Dacus based solely on a single homoplasious host plant character, with weak statistcal support. 

Total-evidence phylogeny of the Rhinomirini, taxonomic review of its subgroupings (Insecta: Heteroptera: Miridae: Cylapinae) and description of new Australian taxa

2019 ◽  
Vol 187 (4) ◽  
pp. 1196-1252 ◽  
Author(s):  
Anna A Namyatova ◽  
Gerasimos Cassis
Keyword(s):  
Phylogenetic Analysis ◽  
Molecular Markers ◽  
New Species ◽  
Sexual Dimorphism ◽  
Male Genitalia ◽  
Morphological Characters ◽  
Systematic Position ◽  
Total Evidence ◽  
Australian Species ◽  
First Time

Abstract Rhinomirini (Insecta: Heteroptera: Miridae: Cylapinae) is a heterogeneous tribe of uncertain systematic position. We provide a phylogenetic analysis of this tribe based on morphological characters and molecular markers. Monophyly of the tribe was not supported by our findings. The Rhinocylapus complex and Rhinomiriella complex are transferred to Fulviini. Rhinomirini are restricted to the Rhinomiris complex. The record of Rhinomirini in Australia is considered dubious. The genera Punctifulvius and Yamatofulvus are transferred to the Rhinocylapus complex. The Rhinocylapus complex is recorded from Australia for the first time, with four new species: Mycetocylapus alexeyi sp. nov., Punctifulvius austellus sp. nov., Punctifulvius aquilonius sp. nov. and Rhinocylapoides valentinae sp. nov. The Philippine species Mycetocylapus major is synonymized with Mycetocylapus minor. The Australian species Rhinomiriella tuberculata is redescribed, and females of this species are described for the first time. Rhinomiriella aidani sp. nov. is described as new to science. The female genitalia of Proamblia elongata, Rhinocylapidius velocipidoides and Rhinomiris conspersus and the male genitalia of Rhinomiris conspersus and Rhinomiridius aethiopicus are illustrated and discussed. Sexual dimorphism in the Rhinocylapus complex and wing modifications in Cylapinae are discussed.

Cladistic analysis and taxonomic review of the millipede tribe Arthrosolaenomeridini Hoffman, 1976 (Polydesmida: Chelodesmidae)

Zootaxa ◽  
2021 ◽  
Vol 4970 (2) ◽  
pp. 201-256
Author(s):  
RODRIGO SALVADOR BOUZAN ◽  
LUIZ FELIPE M. INIESTA ◽  
ANTONIO DOMINGOS BRESCOVIT
Keyword(s):  
Cladistic Analysis ◽  
Taxonomic Revision ◽  
Sister Group ◽  
Morphological Characters ◽  
New Genera ◽  
Distribution Maps ◽  
West Region ◽  
The Matrix ◽  
First Time ◽  
Parsimony Criterion

Chelodesmidae is one of the most diverse families belonging to the Polydesmida, comprising almost 800 described species distributed in 172 genera, 20 tribes and two subfamilies. Among the tribes within the Neotropical subfamily Chelodesminae, Arthrosolaenomeridini represents a very interesting group occurring in the Central-West region of Brazil. Currently the tribe contains three genera: Arthrosolaenomeris Schubart, 1943, Gangugia Schubart, 1947, and Angelodesmus Schubart, 1962. In this study, we conducted a cladistic analysis including 18 species of Arthrosolaenomeridini and 7 species of other associated Chelodesminae tribes as an outgroup. The matrix is composed of 64 morphological characters from which 39 are herein proposed for the first time. The data were analyzed under the parsimony criterion using TNT 1.5. Based on the results, Arthrosolaenomeridini was recovered as monophyletic with Macrocoxodesmini + Telonychopodini as sister group. Arthrosolaenomeris Schubart, 1943 and Gangugia Schubart, 1947 were recovered as monophyletics. The genus Angelodesmus Schubart, 1962 was recovered as paraphyletic and redefined as monotypic. The tribe is now composed of the genera Arthrosolaenomeris (6 spp.), Gangugia (6 spp.), Angelodesmus (monotypic), Abiliodesmus n. gen. (4 spp.) and Folcloredesmus n. gen. (monotypic). In addition, we conduct a taxonomic revision of the tribe Arthrosolaenomeridini providing detailed redescriptions, drawings, and distribution maps for all species and genera, including the two new genera and the ten new species proposed: Arthrosolaenomeris saci n. sp.; A. curupira n. sp.; A. caipora n. sp.; A. iara n. sp.; Gangugia boitata n. sp.; G. cuca n. sp.; G. boto n. sp.; G. mula n. sp.; Abiliodesmus mapinguari n. sp. and Folcloredesmus thomasi n. sp. Furthermore, we include an identification key to all the genera and species. 

First description of the male of Cretaconiopteryx grandis Liu & Lu, 2017 (Neuroptera: Coniopterygidae) from the Cretaceous Burmese amber

Zootaxa ◽  
2019 ◽  
Vol 4674 (4) ◽  
pp. 482-490 ◽  
Author(s):  
HONGYU LI ◽  
BO WANG ◽  
XINGYUE LIU
Keyword(s):  
Male Genitalia ◽  
Upper Cretaceous ◽  
Sister Group ◽  
Sister Group Relationship ◽  
Burmese Amber ◽  
Representative Species ◽  
First Time

The male of Cretaconiopteryx grandis Liu & Lu, 2017, which is the only representative species of the extinct dustywing subfamily Cretaconiopteryginae, is described for the first time from the Upper Cretaceous Burmese amber. The male genitalia, well preserved in the examined specimen, show a number of plesiomorphic characters, which support the sister group relationship between Coniopterygidae and the rest of extant lacewing families. 

Corrigendum to: Cladistic analysis and revision of Piestus Gravenhorst with remarks on related genera (Coleoptera : Staphylinidae : Piestinae)

2013 ◽  
Vol 27 (1) ◽  
pp. 129
Author(s):  
Edilson Caron ◽  
Cibele S. Ribeiro-Costa ◽  
Alfred F. Newton
Keyword(s):  
Cladistic Analysis ◽  
Taxonomic Revision ◽  
Sister Group ◽  
Morphological Characters ◽  
Valid Species ◽  
Phylogenetic Position ◽  
Neotropical Forests ◽  
Rove Beetles ◽  
New Synonyms ◽  
Branch Support

Rove beetles of the genus Piestus Gravenhorst, 1806 are commonly captured under the bark of or inside decaying logs from Neotropical forests. Piestus belongs to the subfamily Piestinae, historically an ill-defined dumping-ground for Staphylinidae defined by plesiomorphic characters, but which has gradually been restricted in concept and currently includes only six additional extant genera worldwide. Piestinae in this restricted sense has been considered a probably monophyletic subfamily, but its status and phylogenetic position, as a possible sister-group of Osoriinae within the recently proposed Oxyteline group of staphylinid subfamilies, are uncertain and need confirmation. The main aim of the present study was to provide a morphological cladistic analysis and complete taxonomic revision of Piestus, which, as the type and most speciose genus of Piestinae, is critical for future phylogenetic studies involving the subfamily. In our study, the monophyly of Piestus is established and phylogenetic relationships among its species are proposed based on 70 adult morphological characters. Piestus is supported by 11 synapomorphies and high branch support. All species of Piestus are revised and the genus is redefined. The genus contains 43 species, including 13 species described here for the first time. The previously proposed subgenera Antropiestus Bernhauer, 1917, Eccoptopiestus Scheerpeltz, 1952, Elytropiestus Scheerpeltz, 1952, Lissopiestus Scheerpeltz, 1952, Piestus s. str., Trachypiestus Scheerpeltz, 1952 and Zirophorus Dalman, 1821 have not been confirmed, as they were found to be poly- or paraphyletic, or are here removed from Piestus, and therefore subgenera are not used. The main taxonomic changes are as follows. Lissopiestus, syn. nov. is proposed as new synonym of Eleusis Laporte, 1835 and its species, E. interrupta (Erichson, 1840), comb. rest., is transferred again to that genus. Antropiestus, syn. nov. and Eccoptopiestus, syn. nov. are proposed as new synonyms of Hypotelus Erichson, 1839 and their species, H. laevis (Solsky, 1872), comb. nov. and H. andinus (Bernhauer, 1917), comb. nov., are transferred to Hypotelus. Fourteen new synonymies are proposed (valid species listed first): P. lacordairei Laporte, 1835 = Z. furcatus Sharp, 1887, syn. nov.; P. capricornis Laporte, 1835 = P. frontalis Sharp, 1876, syn. nov.; P. pennicornis Fauvel, 1864 = P. plagiatus Fauvel, 1864, syn. nov.; P. rectus Sharp, 1876, syn. nov.; P. pygialis Fauvel, 1902, syn. nov.; P. surinamensis Bernhauer, 1928, syn. nov.; P. minutus Erichson, 1840 = P. nigrator Fauvel, 1902, syn. nov.; P. sulcatus Gravenhorst, 1806 = P. sanctaecatharinae Bernhauer, 1906, syn. nov.; P. condei Wendeler, 1955, syn. nov.; P. gounellei Fauvel, 1902 = P. wasmanni Fauvel, 1902, syn. nov.; P. mexicanus Laporte, 1835 = P. alternans Sharp, 1887, syn. nov.; P. aper Sharp, 1876 = P. schadei Scheerpeltz, 1952, syn. nov.; P. angularis Fauvel, 1864 = P. crassicornis Sharp, 1887, syn. nov.; H. andinus (Bernhauer, 1917) = P. strigipennis Bernhauer, 1921, syn. nov. One species is revalidated: P. fronticornis (Dalman, 1821), stat. rev., and one synonym is restored: P. penicillatus (Dalman, 1821) = P. erythropus Erichson, 1840, syn. rest. Neotypes are designated for P. lacordairei Laporte, 1835 and Oxytelus bicornis Olivier, 1811, and lectotypes are designated for P. puncticollis Fauvel, 1902, P. capricornis variety muticus Fauvel, 1902, P. zischkai Scheerpeltz, 1951, P. pennicornis Fauvel, 1864, P. plagiatus Fauvel, 1864, P. pygmaeus Laporte, 1835, P. niger Fauvel 1864, P. minutus Erichson, 1840, P. nigratror Fauvel, 1902, P. sulcatus Gravenhorst, 1806, P. sanctaecatharinae Bernhauer, 1906, P. sulcipennis Scheerpeltz, 1952, P. aper Sharp, 1876, P. schadei Scheerpeltz, 1952 and P. andinus Bernhauer, 1917.

First record and a new species of Neolygus Knight (Heteroptera: Miridae: Mirinae) from Nepal, with a checklist of Old World species of Neolygus

Zootaxa ◽  
2012 ◽  
Vol 3413 (1) ◽  
pp. 44 ◽  
Author(s):  
TOMOHIDE YASUNAGA ◽  
RAM KESHARI DUWAL ◽  
MICHAEL D. SCHWARTZ
Keyword(s):  
New Species ◽  
Male Genitalia ◽  
First Record ◽  
Systematic Position ◽  
North India ◽  
New Combinations ◽  
World Species ◽  
Old World ◽  
First Time ◽  
A New Species

The mirine plant bug genus Neolygus Knight is reported from Nepal and North India for the first time, thus representing the first confident distributional record of this genus from the Himalayas. A new species, Neolygus machanensis, is described from Nepal. Two known members, N. bui Lu & Zheng and N. keltoni (Lu & Zheng), newly recognized as occurring in Nepal and/or North India, are diagnosed. Habitus images of live individuals and illustrations of the male genitalia are provided for all treated species. A checklist of the Old World species, and discussion of the systematic position and zoogeography of Neolygus are included. Neolygus partitus (Walker, 1873) [Capsus], N. mjohjangsanicus (Josifov, 1992) [Lygocoris], and Neolygus zebei (Günther, 1997) [Lygocoris] are proposed as new combinations.

The ovipositor system of Scelionid and Platygastrid wasps (Hymenoptera: Platygastroidea): Comparative morphology and phylogenetic implications

1997 ◽  
Vol 11 (1) ◽  
pp. 1 ◽  
Author(s):  
A. D. Austin ◽  
and S. A. Field
Keyword(s):  
Cladistic Analysis ◽  
Type System ◽  
Comparative Morphology ◽  
Morphological Characters ◽  
Sensu Stricto ◽  
Ground Plan ◽  
Phylogenetic Implications ◽  
The Status ◽  
Baseline Information

The morphology of the sclerotised components of the ovipositor system is comprehensively surveyed for scelionid and platygastrid wasps, with information being assessed for 120 genera and 220 species. A diagnosis for the ovipositor system is presented for most genera to complement existing generic descriptions. Two previously described and mechanically different forms of the ovipositor system are recognised: (1) the Ceratobaeus-type that is extended and retracted by antagonistic muscles and (2) the Scelio-type that is operated by changes in hydrostatic pressure, where the ovipositor is extended at the end of an elongate telescopic tube derived from expanded intersegmental membrane between metasomal segments 6 and 7. Comparison of these forms with the supposed ground plan for the Scelionidae strongly indicates that the Scelio-type is apomorphic, that it defines a monophyletic group associated with orthopteran host eggs, and that it comprises the tribes Scelionini, Calliscelionini, most Psilanteridini, Aradophagini, Neoscelionini, Platyscelionini, Doddiellini and four genera misplaced within the Sparasionini and Baryconini (Archaeoteleia Masner, Bracalba Dodd, Chromoteleia Ashmead and Oxyscelio Kieffer), as well as Sceliacanthella Dodd. Until a more robust classification of the superfamily is forthcoming, it is proposed that this group be informally referred to as the 'Scelionini sensu lato'. Further, seven genera (Habroteleia Kieffer, Palpoteleia Kieffer, Anteris Foerster, Fusicornia Risbec, Leptoteleia Kieffer, Opisthacantha Ashmead and Styloteleia Kieffer) are misplaced in the Calliscelionini and Psilanteridini because they possess the Ceratobaeus-type system. Nixonia Masner, Sparasion Latreille and Sceliomorpha Ashmead (Sparasionini) are considered to have the most primitive ovipositor system because they possess a Ceratobaeus-type system, and sub-basally fused lateral and latero-ventral apodemes, the latter being loosely attached to sternite 6. Sparasion and Sceliomorpha also have very short lateral apodemes and this, in conjunction with the form of the apodemes, can be considered to be the ground plan for the superfamily. The Platygastridae all possess a modified ovipositor system but, nonetheless, one that in most cases is extended and retracted by musculature (i.e. Ceratobaeus-type). In particular, the system in most platygastrids is typified by having metasomal tergite 8 and associated cerci missing, the lateral apodemes short and forming a U-shape, and the ovipositor assembly generally robust. Only one of approximately 30 genera examined, Acerotella Masner, has very elongate apodemes, as in the Scelionidae. Many platygastrids also have a pair of latero-ventral apodemes, a presumed plesiomorphic character, rather than a single medial apodeme on stemite 6, which is the case for many Scelionidae. The most highly modified system is found in Isostasius Foerster and some Synopeas (Sactogaster) Foerster, where the ovipositor assembly is coiled vertically or partly so and the apodemes are greatly reduced. Generally, characters associated with the ovipositor system do not provide any independent support for the most recent higher-level classification of platygastrids, although they show substantial potential for more accurate definition of genera. A preliminary cladistic analysis of 14 ovipositor characters supports the monophyly of five clades that correspond to the Scelionini s. l., the Scelionidae (minus the Sparasionini sensu stricto), the Sparasionini s. str., the Platygastridae, and the Sparasioriini s. str. + Platygastridae. Overall, results from this study will provide baseline information on the ovipositor system as a prelude to a more complete phylogenetic analysis of the superfamily including external morphological characters. Although no new classification for the Scelionidae and Platygastridae is proposed, their higher-level taxonomy is reviewed and discussed and cases identified where, on the basis of ovipositor morphology, taxa (tribes and/or genera) apparently form monophyletic groups, and where taxa are misplaced. Finally, the status of the major higher-level groups within the superfamily is discussed, as is the available evidence to support their monophyly.

Revision of the Genus Metaselena Diakonoff (Lepidoptera:Tortricidae)

1981 ◽  
Vol 29 (2) ◽  
pp. 233 ◽  
Author(s):  
M Horak ◽  
W Sauter
Keyword(s):  
New Species ◽  
Male Genitalia ◽  
Close Association ◽  
New Guinea ◽  
Systematic Position ◽  
First Time

The male genitalia of the genus Metaselena Diak. are described and illustrated for the first time, and as a result of that the genus is transferred to the Olethreutinae. Eight new species of Metaselena - lepta, rhabdota, symphylos, pemphigodes, pithana, platyptera, diakonoffi and allophlebodes - are described and illustrated. The systematic position of Metaselena, so far known only from Australia and New Guinea, is briefly discussed and the close association of the genus with Eucosmomorpha Obr. is pointed out.

Phylogenetic reassignment of basal cyclostome braconid parasitoid wasps (Hymenoptera) with description of a new, enigmatic Afrotropical tribe with a highly anomalous 28S D2 secondary structure

2020 ◽  
Vol 190 (3) ◽  
pp. 1002-1019 ◽  
Author(s):  
Donald L J Quicke ◽  
Sergey A Belokobylskij ◽  
Yves Braet ◽  
Cornelis van Achterberg ◽  
Paul D N Hebert ◽  
...  
Keyword(s):  
Sequence Data ◽  
Elongation Factor ◽  
Sequence Divergence ◽  
Sister Group ◽  
Morphological Characters ◽  
Dna Sequence Data ◽  
Elongation Factor 1 Alpha ◽  
Molecular Phylogenetic ◽  
Molecular Dataset ◽  
First Time

Abstract A new tribe of braconid wasps provisionally included in the Rhyssalinae, Laibaleini trib. nov., type genus Laibalea gen. nov. (type species Laibalea enigmatica sp. nov.), from Kenya and the Central African Republic, is described. A molecular dataset, with emphasis on basally derived taxa based on four gene fragments (28S D2–D3 expansion region, COI barcode, elongation factor 1-alpha and 16S ribosomal DNA), was analysed both alone and in combination with a morphological dataset. Molecular phylogenetic placement of the new species into an existing subfamily is complicated by the extreme sequence divergence of the three sequences obtained for Laibalea. In both the combined sequence analysis and the combined DNA plus morphological tree, Laibalea is recovered as a sister group to the Rhyssalinae plus all non-cyclostome lineage braconids excluding Mesostoinae, Maxfischeriinae and Aphidiinae. A consensus of morphological characters and molecular analyses suggests inclusion of Laibalea either in the otherwise principally Holarctic subfamily Rhyssalinae or perhap more basally, in the principally Gondwanan Mesostoinae s.l., although we cannot exclude the possibility that it might represent a separate basal lineage. We place Laibalea in its own tribe, provisionally included in Rhyssalinae. The DNA sequence data are presented for several genera for the first time. Avga, the type genus of Avgini, is shown not to belong to Mesostoinae s.l. or Hormiinae, but its exact relationships remain uncertain. The generic compositions of Rhyssalinae and Mesostoinae s.l. are revised. Anachyra, Apoavga, Neptihormius, Neoavga and Opiopterus are shown to belong to Mesostoinae s.s. A key to the tribes of Rhyssalinae is provided.

Revision of the West Palaearctic species of the genus Pales Robineau-Desvoidy (Diptera: Tachinidae)

Zootaxa ◽  
2005 ◽  
Vol 885 (1) ◽  
pp. 1 ◽  
Author(s):  
PIERFILIPPO CERRETTI
Keyword(s):  
Male Genitalia ◽  
Mediterranean Region ◽  
Taxonomic Revision ◽  
Sister Group ◽  
Similar Species ◽  
Palaearctic Species ◽  
The West ◽  
The Mediterranean ◽  
First Time

A taxonomic revision of the West Palaearctic species of the genus Pales Robineau-Desvoidy is presented and the identity of the genus is defined and discussed. Pales abdita sp. nov. from some localities in the Mediterranean region and Pales marae sp. nov. from Sardinia are described, illustrated and compared with similar species. A key to the ten known West Palaearctic species of Pales is presented. The rare genus Schembria Rondani is suggested as the possible sister-group of Pales and the male genitalia of the only known species, S. meridionalis Rondani, are figured for the first time.

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