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12 results for “Psittacula”
Data from: Rapid morphological changes, admixture and invasive success in populations of Ring-necked parakeets (Psittacula krameri) established in Europe
The Ring-necked parakeet (Psittacula krameri), native of Asia and Africa, is a very successful invasive species in Europe: it has been present there for over 50 years. A recent study showed that European invasive populations occupy a colder climatic niche than in their native range but the establishment of this tropical species in temperate regions remains unexplained. Two main hypotheses may explain the success of Ring-necked parakeet in Europe: admixture between individuals from different origins and/or rapid adaptation to new environmental conditions. In this study, we investigated with molecular data the origin of European populations of Ring-necked parakeets to assess whether these populations result from admixture between individuals from different source populations. We also investigated the morphology of individuals from European populations and from the native range to assess whether the invasive populations have morphologically diverged from their source and could have become adapted to European conditions. We found evidence of admixture in some of the European populations but not all of them. Admixture between individuals from different origins within European populations thus cannot explain alone their invasive success. Conversely, we found that the morphology of the individuals from European populations has diverged from the morphology of native individuals, in a similar direction. Rapid adaptation to European environmental conditions via phenotypic plasticity or natural selection could thus be a factor explaining the invasive success of Ring-necked parakeets in Europe.
FIGURES 1–4 in The identity of Neopsittaconirmus palaeornis (Eichler) (Phthiraptera: Philopteridae) from Psittacula derbiana (Psittaciformes: Psittacidae), with a new synonymy
FIGURES 1–4. Neopsittaconirmus palaeornis (Eichler). 1—male; 2—male abdominal tergite IX; 3—male genitalia; 4—female ventral terminalia.
Psittacula cyanocephala decontaminated FSCR
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Psittacula cyanocephala decontaminated FSCR
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Psittacula cyanocephala decontaminated gx
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Psittacula cyanocephala zanfona 1
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FIGURE 2. 50 in A molecular phylogeny of the genus Psittacula sensu lato (Aves: Psittaciformes: Psittacidae: Psittacula, Psittinus, Tanygnathus, † Mascarinus) with taxonomic implications
FIGURE 2. 50% majority-rule consensus tree of the Bayesian inference of relationships among representatives of Psittacula s.l. (Psittacula, Tanygnathus, Psittinus) based on Bayesian analysis (BEAST) of the concatenated data set (CYTB, RAG-1); maximum clade credibility tree, HKY model. Bayesian posterior probabilities above 0.85 are indicated left of the slash. Maximum likelihood methods (RAxML) gave an identical tree topology, bootstrap values (ML) above 70 are indicated after the slash.
FIGURE 1 in A molecular phylogeny of the genus Psittacula sensu lato (Aves: Psittaciformes: Psittacidae: Psittacula, Psittinus, Tanygnathus, † Mascarinus) with taxonomic implications
FIGURE 1. Schematic illustration of all species plus some additional subspecies of the Psittacula s.l. group (including Psittinus, Tanygnathus, and †Mascarinus). Extinct taxa are indicated with a '†'. Only males are shown. Taxa which were sampled for our phylogenetic reconstruction are indicated with an asterisk (*). Lines highlight distinctive characters.
FIGURE 3 in A molecular phylogeny of the genus Psittacula sensu lato (Aves: Psittaciformes: Psittacidae: Psittacula, Psittinus, Tanygnathus, † Mascarinus) with taxonomic implications
FIGURE 3. Recommended taxonomic revision of the Psittacula s.l. group. Schematic illustration of all species plus additional subspecies for our study of the Psittacula s.l. group (including Psittinus, Tanygnathus, and †Mascarinus). Morphological and genetic clades are separated by dotted lines (see FIGURE 1 for conventions).
Data from: Rapid morphological changes, admixture and invasive success in populations of Ring-necked parakeets (Psittacula krameri) established in Europe
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Supplementary material 1 from: Pirzio-Biroli A, Crowley SL, Siriwardena GM, Plummer KE, Schroeder J, White RL (2024) Not in the countryside please! Investigating UK residents' perceptions of an introduced species, the ring-necked parakeet (Psittacula krameri). NeoBiota 93: 1-24. https://doi.org/10.3897/neobiota.93.110122
Supplementary sections
FIGURE 10. Psittacula exsul holotype UMZC18 in Reappraisal of the parrots (Aves: Psittacidae) from the Mascarene Islands, with comments on their ecology, morphology, and affinities
FIGURE 10. Psittacula exsul holotype UMZC18/Psi/67/h/I ♀ (above); UMZC18/Psi/67/h/2 ♂ (below).
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