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41 results for “Cicadetta”
FIG. 5 in Cicadetta sibillae Hertach & Trilar, 2015, nouvelle espèce de cigale pour la France (Hemiptera, Cicadidae) et premières analyses des sons complexes émis durant la cymbalisation d'appel nuptial
FIG. 5. — Édéages mâles: A, vue dorsale de l'apex du phallus et de ses deux pseudoparamères élargies chez C. cerdaniensis Puissant & Boulard, 2000; B, vue dorsale de l'apex du phallus et de ses deux pseudoparamères effilés et oblongs chez Cicadetta sibillae Hertach & Trilar, 2015; C, vue latérale du phallus et de ses deux pseudoparamères chez C. sibillae. Voir « Matériel et méthodes » pour la définition des abréviations. Échelles: A, B, 0,5 mm; C, 1 mm.
FIG. 2 in Cicadetta sibillae Hertach & Trilar, 2015, nouvelle espèce de cigale pour la France (Hemiptera, Cicadidae) et premières analyses des sons complexes émis durant la cymbalisation d'appel nuptial
FIG. 2. — Cicadetta sibillae Hertach & Trilar, 2015, cymbalisation d'appel nuptial d'un mâle avec mouvements des cymbales asynchrone: A, spectres fréquentiels, spectrogramme et oscillogramme (du haut vers le bas) visualisant la fin d'une phrase de type 2, l'intégralité d'une phrase de type 3 et le début d'une phrase de type 2; B, oscillogramme détaillé de 4 modules pris dans la phrase de type 3; C, spectrogramme détaillé et oscillogramme (du haut vers le bas) d'un module composé de huit syllabes (chiffres romains), chacune de ces syllabes étant composée de quatre pulsations (chiffres arabes) émises par les mouvements asynchrones de chacune des cymbales (1-3, aller-retour de la première cymbale et 2-4, aller-retour de la seconde cymbale). Vallon du Réfréi, commune de Tende, Alpes- Maritimes, France, 27-28°C. Voir « Matériel et méthodes » pour la définition des abréviations et des spectres fréquentiels de couleur gris foncé, noir et gris clair.
FIG. 3 in Cicadetta sibillae Hertach & Trilar, 2015, nouvelle espèce de cigale pour la France (Hemiptera, Cicadidae) et premières analyses des sons complexes émis durant la cymbalisation d'appel nuptial
FIG. 3. — Caractéristiques fréquentielles et temporelles des modules émis par Cicadetta sibillae Hertach & Trilar, 2015: A, spectres fréquentiels et oscillogramme (du haut vers le bas) d'un module d'une phrase de type 2; B, spectres fréquentiels et oscillogramme (du haut vers le bas) d'un module d'une phrase de type 3. Voir « Matériel et méthodes » pour la définition des abréviations et des spectres fréquentiels de couleur gris foncé, noir et gris clair.
Data from: Molecular species-delimitation methods recover most song-delimited cicada species in the European Cicadetta montana complex
Molecular species delimitation is increasingly being used to discover and inform illuminate species level diversity and a number of methods have been developed. Here we compare the ability of two molecular species delimitation methods to recover song-delimited species in the Cicadetta montana cryptic species complex throughout Europe. Recent bioacoustics studies of male calling songs (pre-mating reproductive barriers) have revealed cryptic species diversity in this complex. Maximum likelihood and Bayesian phylogenetic analyses were used to analyze the mitochondrial genes COI and COII and the nuclear genes EF1α and period for thirteen European Cicadetta species as well as the closely related monotypic genus Euboeana. Two molecular species delimitation methods, general mixed Yule-coalescent (GMYC) and Bayesian Phylogenetics and Phylogeography (BPP), identified the majority of song-delimited species and were largely congruent with each other. None of the molecular delimitation methods were able to fully recover a recent radiation of four Greek species.
FIGURE 8 in Similar look but different song: a new Cicadetta species in the montana complex (Insecta, Hemiptera, Cicadidae)
FIGURE 8. Distribution maps of Cicadetta species in France including Corsica (inset). Internal borders follow administrative divisions ("départements"). Cicadetta cf. montana refer to specimens of the complex that could not be determined at species level because of unavailable acoustic information.
FIGURE 7 A–C in Similar look but different song: a new Cicadetta species in the montana complex (Insecta, Hemiptera, Cicadidae)
FIGURE 7 A–C. Frequency pattern of a typical long echeme produced by C. cerdaniensis. A, Oscillogram; B, Spectrogram (time vs frequency vs amplitude, colour amplitude scale given on the right) and mean spectrum (frequency vs amplitude) of the first and second parts of the echeme. C, Dominant frequency variation along the echeme. Parameters as in figure 6.
FIGURE 6 A–E in Similar look but different song: a new Cicadetta species in the montana complex (Insecta, Hemiptera, Cicadidae)
FIGURE 6 A–E. Temporal pattern of C. cerdaniensis calling song. A, Oscillogram (time vs amplitude) of two typical sequences, each made of three phrases (P1, P2, P3). Letters refer to temporal zooms depicted in C, D and E; B, Variations of temporal parameters along the phrases. ED, EID, FPD and SPD covary. C, Oscillogram of a typical echeme produced during phrase 1 (P1); D, Oscillogram of a typical echeme produced during phrase 2 (P2); E, Oscillogram of a typical echeme produced during phrase 3 (P3). Abbreviations as in figure 2.
FIGURE 5 in Similar look but different song: a new Cicadetta species in the montana complex (Insecta, Hemiptera, Cicadidae)
FIGURE 5. Type-locality habitat of C. cantilatrix sp. nov. Males were mainly found calling in trees and bushes.
FIGURE 3 in Similar look but different song: a new Cicadetta species in the montana complex (Insecta, Hemiptera, Cicadidae)
FIGURE 3. Temporal and frequency characteristics of C. cantilatrix sp. nov. calling song. Density distributions were estimated using Gaussian kernel smoothing and plotted over histograms.
FIGURE 4 A–C in Similar look but different song: a new Cicadetta species in the montana complex (Insecta, Hemiptera, Cicadidae)
FIGURE 4 A–C. Frequency pattern of a typical long echeme produced by C. cantilatrix sp. nov. A, Oscillogram; B, Spectrogram (time vs frequency vs amplitude, colour amplitude scale given on the right) and mean spectrum (frequency vs amplitude) of the first and second parts of the echeme; C, Dominant frequency variation along the echeme. Frequency analysis parameters: Hamming window, overlap = 87.5%, frequency resolution = 43 Hz. Short echeme showed similar frequency parameters.
FIGURE 2A–D in Similar look but different song: a new Cicadetta species in the montana complex (Insecta, Hemiptera, Cicadidae)
FIGURE 2A–D. Temporal pattern of C. cantilatrix sp. nov. calling song. A, Oscillogram (time vs amplitude) of two typical sequences, each made of two phrases (P1, P2) with short and long echemes respectively, letters refer to time windows depicted in C and D; B, Variations of temporal parameters along sequences. When ED increases IED decreases and vice versa. FPD covaries with ED while SPD remains constant. Longer IED values separate successive sequences; C, Oscillogram of a typical short echeme produced during phrase 1 (P1); D, Oscillogram of a typical long echeme produced during phrase 2 (P2). ED = echeme duration, IED = inter-echeme duration, FPD = first echeme part duration, SPD = second echeme part duration.
FIGURE 1 in Similar look but different song: a new Cicadetta species in the montana complex (Insecta, Hemiptera, Cicadidae)
FIGURE 1. Dorsal view of C. cantilatrix sp. nov.: male holotype with a lateral view of the genitalia (inset) and female paratype.
FIGURE 3 in A new genus for North American Cicadetta species (Hemiptera: Cicadidae)
FIGURE 3. Cicadettana calliope calliope (Walker) gen. n., comb. n. Upper left, male pygofer in lateral view. Upper right, same image labelled and with dotted lines emphasizing margins of key features including one clasper, both pseudoparameres, upper margin of one upper pygofer lobe, upper margin of one basal pygofer lobe, and thecal ventral support. The endotheca is obscured but lies between the ventral support and the pseudoparameres and does not extend beyond the claspers. Lower left, pygofer in ventral view, labelled; thecal structures are not in focus. Lower right, male timbal. BL=basal pygofer lobe, CL=clasper, DB=dorsal beak, PS=pseudoparameres, UL=upper pygofer lobe, UN=uncus (median lobe), VS=ventral support. Scale bars = 0.5 mm. Specimen is G133 genitalia prep. from US.KS.GYP site (see Table 1).
FIGURE 2 in A new genus for North American Cicadetta species (Hemiptera: Cicadidae)
FIGURE 2. Cicadettana calliope calliope (Walker) gen. n., comb. n. male (above) and female (below) specimens collected on 14 June 2007 in Cass Co., Illinois, E. of Chandlerville (Lat. 40.0467, Lon. -90.1084, WGS84). Scale bars = 4 mm.
FIGURE 1. A in A new genus for North American Cicadetta species (Hemiptera: Cicadidae)
FIGURE 1. A section of the molecular phylogeny of the tribe Cicadettini published by Marshall et al. (2016) showing the North American taxa (formerly in Cicadetta, here newly combined in the new genus Cicadettana) and their closest allies from Eurasia and Oceania forming a clade nested within genera from Australia. This clade, termed the R2 clade by Marshall et al., is one of two inferred to have radiated from Australasia within the tribe. The type species of the genus Cicadetta (C. montana) was found to cluster in a distantly related group (the R1 clade, not shown) representing a separate, earlier out-of-Australasia radiation. See Marshall et al. for the full tree and for details on described and undescribed taxa shown.
Figure 10 in Songs, genetics, and morphology: revealing the taxonomic units in the European Cicadetta cerdaniensis cicada group, with a description of new taxa (Hemiptera: Cicadidae)
Figure 10. Habitats of Cicadetta sibillae sp. nov. in Tiglieto (Liguria, A) and at the Monte San Giorgio (Ticino, B), and most important location of Cicadetta anapaistica lucana ssp. nov. in the mountainous Pollino National Park (C). Threatened core population habitat of Cicadetta anapaistica anapaistica in the Madonie Mountains as a result of overgrazing and soil erosion (D).
Cicadetta cerdaniensis n in Cicadetta cerdaniensis, espèce jumelle de Cicadetta montana décryptée par l'acoustique (Auchenorhyncha, Cicadidae, Tibicininae)
Cicadetta cerdaniensis n. sp., France pyrénéenne, juillet. Figure 1 = ♂♂ dans Fattitude caractéristique prise pour cymbaliser, vus de profil, puis de dessus (Phot. S. P). 'Fig 2 = Vue rapprochée et grossie de la cymbale gauche de l`hoiotype (phot. M. B). Fig. 3 = C. I. A. partielle: (a), portion de 15 secondes du plein signal transcrite en temps réel, montrant 9 fin d'une deuxième phrase (ph 2) et une troisième phrase entière (ph3); (b), espace-temps arbitraire centre sur la transition ph2-> ph 3 (plage inversée en a); (o), spectrograrnme correspondant à l'osciliogramme b; (d), spectre ponctuel issu du dernier module de la phrase ph2. (Enregistrement et sonogrammes M. B.)
FIGURE 9 in Spectacular song pattern from the Sicilian Mountains: The new cicada species Cicadetta anapaistica sp. n. (Hemiptera: Cicadidae)
FIGURE 9 Altitudes above sea level (above) and vegetation types (below) regarding all observations points of Cicadetta anapaistica sp. n.
FIGURE 8 in Spectacular song pattern from the Sicilian Mountains: The new cicada species Cicadetta anapaistica sp. n. (Hemiptera: Cicadidae)
FIGURE 8. Distribution map of Mountain Cicadas in Southern Italy (5 x 5 km2 cells) with abundance during June and July 2009.
FIGURE 7 in Spectacular song pattern from the Sicilian Mountains: The new cicada species Cicadetta anapaistica sp. n. (Hemiptera: Cicadidae)
FIGURE 7. Echeme duration (ED2) and inter-echeme duration (IED2) of phrase 2 in Cicadetta anapaistica sp. n. (black), C. cerdaniensis (white) and C. cantilatrix (grey): Scatterplot of all value pairs and linear regressions.
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