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19 results for “Pyrgus”
Figs. 2-6 in Nuevos registros de Pyrgus cinarae (Rambur, 1839) en Castilla y León: especie nueva para la provincia de Segovia (España) (Lepidoptera: Hesperiidae).
Figs. 2-6.- Nueva población de Pyrgus cinarae clorinda (Warren, 1927) en la Sierra de Malagón, Segovia (Castilla y León).
Fig. 1 in Nuevos registros de Pyrgus cinarae (Rambur, 1839) en Castilla y León: especie nueva para la provincia de Segovia (España) (Lepidoptera: Hesperiidae).
Fig. 1.- Hábitat y adulto de P. cinarae clorinda (Warren, 1927). Sierra de Malagón, Segovia (Castilla y León).
Quelques participants lors de l'excursion printanière de Loèche (à gauche). Une petite surface avait été accidentellement incendiée l'année précédente et était déjà visitée par Pyrgus onopordi (à droite), une espèce très localisée et menacée en Suisse. (Photos Marina Rey et Yannick Chittaro) in Groupe Entomologique De La Murithienne (Valais)
Quelques participants lors de l'excursion printanière de Loèche (à gauche). Une petite surface avait été accidentellement incendiée l'année précédente et était déjà visitée par Pyrgus onopordi (à droite), une espèce très localisée et menacée en Suisse. (Photos Marina Rey et Yannick Chittaro)
Fig. 9 in Morphological and chemical analysis of male scent organs in the butterfly genus Pyrgus (Lepidoptera: Hesperiidae)
Fig. 9 Superimposition of the phylogenetic tree on the chemical profile dissimilarity plot. NMMDS on Bray-Curtis dissimilarity matrix for species mean chemical compositions and inferred ancestral compositions for nodes. Nodes and species are linked as in the phylogenetic tree
Fig. 7 in Morphological and chemical analysis of male scent organs in the butterfly genus Pyrgus (Lepidoptera: Hesperiidae)
Fig. 7 Non-metric multidimensional scaling of chemical profiles. Twodimensional plot representing the dissimilarity pattern in chemical profiles of the Pyrgus male scent organs. Populations representing species or closely related species pairs are encircled. A picture of a male of each species is shown (upper row: upperside; lower row: underside)
Fig. 4 in Morphological and chemical analysis of male scent organs in the butterfly genus Pyrgus (Lepidoptera: Hesperiidae)
Fig. 4 SEM photographs of the male scent organs on the abdomen and thorax of Pyrgus onopordi. a General view of the contact area between thorax and abdomen. 1. Area with scent scales on two first abdominal segments (ventral plate). 2. Coxal appendix. 3. Area with scent scales on the thorax. At rest, tibial tufts (Fig. 3a) are hosted between ventral plate and coxal appendix. Scale bar 1 mm. b Scent scales on the ventral plate (above) and scales and setae on the coxal appendix (below). Scale bar 300 μm. c Scent scales (androconia) from the ventral plate. Scale bar 100 μm. d Detail showing the structure of a scent scale. Scale bar 10 μm
Fig. 1 in Morphological and chemical analysis of male scent organs in the butterfly genus Pyrgus (Lepidoptera: Hesperiidae)
Fig. 1 Scent organs on the wings, legs, abdomen, and thorax of Pyrgus sidae males. 1. Costal fold. 2. Tibial tufts. 3. Coxal appendix. 4. Ventral Plate. 5. Area with scent scales on the thorax
Figures 1–8. Pyrgus adults from The Bahamas. 1 in A checkered history: distribution of Pyrgus Hübner species in The Bahamas, including the first Caribbean records of Pyrgus albescens Plötz (Lepidoptera: Hesperiidae)
Figures 1–8. Pyrgus adults from The Bahamas. 1) P. oileus male, dorsal view, Grand Bahama Island, MGCL 244928. 2) Same specimen, ventral. 3) P. oileus female, dorsal, Grand Bahama Island, MGCL 244926, arrow indicates diagnostic white spot at the distal end of the forewing discal cell. 4) Same specimen, ventral, arrow indicates diagnostic dark streak along ventral hindwing costa. 5) P. albescens male, dorsal, North Abaco, MGCL 247454. 6) Same specimen, ventral. 7) P. albescens female, dorsal, North Abaco, MGCL 247046. 8) Same specimen, ventral; See material examined for full label data.
Figure 9 in A checkered history: distribution of Pyrgus Hübner species in The Bahamas, including the first Caribbean records of Pyrgus albescens Plötz (Lepidoptera: Hesperiidae)
Figure 9. Map of The Bahamas/Lucayan Archipelago including distribution of Pyrgus oileus and P. albescens.
Abb. 3. Bekannte Fundmeldungen von Crambus uliginosellus ZELLER, 1850 in Zwei neue Arten für den oberösterreichischen Nationalpark Kalkalpen: Pyrgus armoricanus (O , 1910) und Crambus uliginosellus Z , 1850 (Lepidoptera: Hesperiidae, Crambidae)
Abb. 3. Bekannte Fundmeldungen von Crambus uliginosellus ZELLER, 1850 in Oberösterreich. Weisse Fundpunkte: Fundmeldungen vor 1980 (1899 – 1948) Grüne Fundpunkte: Fundmeldungen ab 1980 und vor 2000 (1986-1999) Roter Fundpunkt: Fundmeldungen ab 2000 (2016-2017, pers. Beob.)
Abb. 2 in Zwei neue Arten für den oberösterreichischen Nationalpark Kalkalpen: Pyrgus armoricanus (O , 1910) und Crambus uliginosellus Z , 1850 (Lepidoptera: Hesperiidae, Crambidae)
Abb. 2. Bekannte Fundmeldungen von Pyrgus armoricanus (OBERTHÜR, 1910) in Oberösterreich. Weisse Fundpunkte: Fundmeldungen vor 1960 (1889-1959) Gelbe Fundpunkte: Fundmeldungen ab 1960 und vor 1980 (1962-1974) Grüne Fundpunkte: Einzige Fundmeldung ab 1980 und vor 2000 (1988) Roter Fundpunkt: Aktuelle und einzige Fundmeldung ab 2000 (2017)
Data from: Climatic niche evolution is faster in sympatric than allopatric lineages of the butterfly genus Pyrgus
Understanding how speciation relates to ecological divergence has long fascinated biologists. It is assumed that ecological divergence is essential to sympatric speciation, as a mechanism to avoid competition and eventually lead to reproductive isolation, while divergence in allopatry is not necessarily associated with niche differentiation. The impact of the spatial context of divergence on the evolutionary rates of abiotic dimensions of the ecological niche has rarely been explored for an entire clade. Here, we compare the magnitude of climatic niche shifts between sympatric versus allopatric divergence of lineages in butterflies. By combining next-generation sequencing, parametric biogeography and ecological niche analyses applied to a genus-wide phylogeny of Palaearctic Pyrgus butterflies, we compare evolutionary rates along eight climatic dimensions across sister lineages that diverged in large-scale sympatry versus allopatry. In order to examine the possible effects of the spatial scale at which sympatry is defined, we considered three sets of biogeographic assignments, ranging from narrow to broad definition. Our findings suggest higher rates of niche evolution along all climatic dimensions for sister lineages that diverge in sympatry, when using a narrow delineation of biogeographic areas. This result contrasts with significantly lower rates of climatic niche evolution found in cases of allopatric speciation, despite the biogeographic regions defined here being characterized by significantly different climates. Higher rates in allopatry are retrieved when biogeographic areas are too widely defined—in such a case allopatric events may be recorded as sympatric. Our results reveal the macro-evolutionary significance of abiotic niche differentiation involved in speciation processes within biogeographic regions, and illustrate the importance of the spatial scale chosen to define areas when applying parametric biogeographic analyses.
Data from: Climatic niche evolution is faster in sympatric than allopatric lineages of the butterfly genus Pyrgus
Open the record for dataset details and reuse information.
Fig. 1 in Sobre la presencia de Pyrgus cirsii (Rambur, [1839]) y Pyrgus onopordi (Rambur, [1839]) (Lepidoptera, Hesperiidae) en Asturias (España).
Fig. 1.- Cara dorsal del ejemplar de Corias, con sus etiquetas.
Fig. 8 in Morphological and chemical analysis of male scent organs in the butterfly genus Pyrgus (Lepidoptera: Hesperiidae)
Fig. 8 Genetic distance versus chemical distance plot. Correlation between genetic and chemical distances. Black dots represent comparisons between conspecific population pairs; white dots represent interspecific comparisons. The curvilinear tendency line is obtained by quadratic regression
Fig. 6 in Morphological and chemical analysis of male scent organs in the butterfly genus Pyrgus (Lepidoptera: Hesperiidae)
Fig. 6 Correlation between abundance of chemicals in wing and leg scent organs. Species showing a higher sum of abundance classes in the wing costal fold compounds show lower abundance in tibial tufts
Fig. 5 in Morphological and chemical analysis of male scent organs in the butterfly genus Pyrgus (Lepidoptera: Hesperiidae)
Fig. 5 Example of total ion chromatogram (TIC). TIC of the tibial tufts (top) and the blank corresponding to the other legs (bottom) of P. malvoides from Solsonès (Lleida, Spain). The peaks of the sample that do not appear in the corresponding blank have been marked with an arrow and numbered 1–9. The relative intensity of all peaks is 1 except for compound 7, which shows maximum intensity (relative intensity of 3)
Fig. 3 in Morphological and chemical analysis of male scent organs in the butterfly genus Pyrgus (Lepidoptera: Hesperiidae)
Fig. 3 SEM photographs of the scent organs on the legs of Pyrgus males. a General view of Pyrgus malvoides hind leg showing tibial tufts. Scale bar 1 mm. b Detail of P. malvoides tibial tuft setae and their insertion in the tibia. Scale bar 20 μm. c Detail of the finely striated external surface of P. malvoides tibial tuft setae. Scale bar 3 μm. d Detail showing the hollow structure of tibial tuft setae in Pyrgus sidae. Scale bar 10 μm
Fig. 2 in Morphological and chemical analysis of male scent organs in the butterfly genus Pyrgus (Lepidoptera: Hesperiidae)
Fig. 2 SEM photographs of the male scent organs on the wings of Pyrgus onopordi. a Costal fold from the dorsal side of the forewings. Scale bar 1 mm. b Detail of costal fold. Scale bar 300 μm. c Scent scales (androconia) from the inside of the costal fold. Scale bar 50 μm. d Detail of a scent scale surface. Scale bar 20 μm. e Normal scales outside of the costal fold. Scale bar 100 μm. f Detail of a normal scale surface. Scale bar 20 μm
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