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14 results for “Phrynus”
Phrynus habitat selection
This data set comprises a single data file, which contains data on the abundance and distribution of the whipspider Phrynus longipes on the Luquillo Forest Dynamics Plot in July 2001. Support for this work was provided by grants BSR-8811902, DEB-9411973, DEB-9705814 , DEB-0080538, DEB-0218039 , DEB-0620910 , DEB-1239764, DEB-1546686, and DEB-1831952 from the National Science Foundation to the University of Puerto Rico as part of the Luquillo Long-Term Ecological Research Program. Additional support provided by the University of Puerto Rico and the International Institute of Tropical Forestry, USDA Forest Service.
Morphometry of the pedipalp patella provides new characters for species-level taxonomy in whip spiders (Arachnida, Amblypygi): A test case with description of a new species of Phrynus
<p class="MsoNormal"><span>Whip spiders (Amblypygi Thorell, 1883) are easily distinguished from their spider relatives (Araneae Clerck, 1757) by their raptorial pedipalps, the second pair of appendages, which are covered in spines and used to grasp and impale prey. Among other characters, the number, distribution, and size differences among the pedipalp spines continue to be important for whip spider systematics at different levels in the taxonomic hierarchy. However, traditional meristic and qualitative characters used to describe the pedipalp spines often limit their use for species-level taxonomy, as character states are invariant or overlapping. The present study employs landmark-based morphometrics to map the morphospace comprising the retrolateral surface of the pedipalp patella and its dorsal spines in a group of Neotropical whip spiders of the genus <em>Phrynus</em> Lamarck, 1801, all of which share an inconspicuous spine on the prolateral surface of the pedipalp tarsus, i.e., "group B" proposed by Quintero (1983). The analysis presented demonstrates that the relative pedipalp patella lengths and spine to pedipalp patella width ratios are of similar use for species diagnosis as the commonly employed relative length of leg femur I. Importantly, the analysis reveals that, beyond the traditional approach of qualitatively reporting relative pedipalp patella dorsal spine lengths (e.g., P3 > P5 > P2 > P4 > P6 > P1), the ratios between spine lengths are useful morphometric characters for species-level taxonomy in <em>Phrynus</em>. New morphometric ratios are provided for the species of <em>Phrynus</em> group B and used, together with traditional characters, to describe <em>Phrynus guarionexi</em> sp. nov. from the Dominican Republic. Finally, new morphological data are provided concerning the cerotegument, frontal process and prolateral surface of the pedipalp tibia in the species of group B.</span></p>
Morphometry of the pedipalp patella provides new characters for species-level taxonomy in whip spiders (Arachnida, Amblypygi): A test case with description of a new species of Phrynus
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FIGURE 3 in The first troglomorphic species of the genus Phrynus Lamarck, 1801 (Amblypygi: Phrynidae) from Mexico
FIGURE 3. Known distribution of Phrynus perrii sp. nov. Orange pentagon: Cueva del Naranjo, Chiapas (type locality); along with the type localities of two other species of Phrynus found in Chiapas.
FIGURE 2 in The first troglomorphic species of the genus Phrynus Lamarck, 1801 (Amblypygi: Phrynidae) from Mexico
FIGURE 2. Phrynus perrii sp. nov. Female paratype: A. Right trochanter, dorsal view. B. Right femur, dorsal view. C. Left trochanter, ventral view. D. Left femur, ventral view. E. Right patella, dorsal view. F. Right tibia, dorsal view. G. Left patella, ventral view. H. Left tibia, ventral view.
FIGURE 1 in The first troglomorphic species of the genus Phrynus Lamarck, 1801 (Amblypygi: Phrynidae) from Mexico
FIGURE 1. Phrynus perrii sp. nov. Female paratype: A. Dorsal view of carapace. B. Ventral view of sternum. C. Prolateral and retrolateral surface of chelicera. D. Frontal process of carapace. E. Dorsal view of gonopods.
FIGURE 6 in A new species of Phrynus Lamarck, 1801 (Arachnida: Amblypygi), from Trinidad and Tobago, and Venezuela, with a redescription of Phrynus pulchripes (Pocock, 1894)
FIGURE 6. Phrynus pulchripes. Female ICN-Am 85: A. Ventral patella (Pv). B. Dorsal patella (Pd). C. Ventral femur (Fv). D. Dorsal femur (Fd). E. Ventral tibia (Tv). F. Dorsal tibia (Td).
FIGURE 2 in A new species of Phrynus Lamarck, 1801 (Arachnida: Amblypygi), from Trinidad and Tobago, and Venezuela, with a redescription of Phrynus pulchripes (Pocock, 1894)
FIGURE 2. Variation in female genitalia: Phrynus pulchripes: MZUSP 70924-1: A. Dorsal view. B. posterior view. MZUSP 70924-2: C. Dorsal view. D. posterior view. Phrynus calypso: CASENT 9060553: E. Dorsal view. F. posterior view.
FIGURE 5 in A new species of Phrynus Lamarck, 1801 (Arachnida: Amblypygi), from Trinidad and Tobago, and Venezuela, with a redescription of Phrynus pulchripes (Pocock, 1894)
FIGURE 5. Phrynus pulchripes. Female ICN-Am 85: A. Carapace. B. Sternum. C. Dorsal opisthosoma. D. Chelicera, mesal view. E. Trochanter (Tr). F. Chelicera, ectal view.
FIGURE 8. A in A new species of Phrynus Lamarck, 1801 (Arachnida: Amblypygi), from Trinidad and Tobago, and Venezuela, with a redescription of Phrynus pulchripes (Pocock, 1894)
FIGURE 8. A. Distribution of Phrynus calypso sp. nov and Phrynus pulchripes. B. Distribution of P. pulchripes, detail of records in Colombia. C. Distribution of P. calypso, detail of records. P. calypso: yellow circle= records, yellow circle with black border= Type locality. P. pulchripes: red square = records, red square with black border= Type locality.
FIGURE 1 in A new species of Phrynus Lamarck, 1801 (Arachnida: Amblypygi), from Trinidad and Tobago, and Venezuela, with a redescription of Phrynus pulchripes (Pocock, 1894)
FIGURE 1. Compared female genitalia: A. Phrynus calypso sp. nov, Holotype. B. Phrynus pulchripes, ICN-Am 85. C. Phrynus barbadensis. MUD-AM 403. D. Phrynus panche. ICN-AM 64.
FIGURE 7 in A new species of Phrynus Lamarck, 1801 (Arachnida: Amblypygi), from Trinidad and Tobago, and Venezuela, with a redescription of Phrynus pulchripes (Pocock, 1894)
FIGURE 7. Male genitalia: Phrynus pulchripes ICN-AM86: A. Dorsal view. B. Ventral view. E. Detail of ornamentation of LoL 1 and LoL 2. Phrynus calypso sp. nov. MZUSP 70892: C. Dorsal view. D. Ventral view. F. Detail of ornamentation of LoL 1 and LoL 2. Fi = fistula; LaM = lamina medialis; LoD = lobus dorsalis; LoL 1 = lobus lateralis primus; LoL 2 = lobus lateralis secundus; Pi = processus internus of gonopod.
FIGURE 4 in A new species of Phrynus Lamarck, 1801 (Arachnida: Amblypygi), from Trinidad and Tobago, and Venezuela, with a redescription of Phrynus pulchripes (Pocock, 1894)
FIGURE 4. Phrynus calypso sp. nov. Female Holotype: A. Ventral patella (Pv). B. Dorsal patella (Pd). C. Ventral femur (Fv). D. Dorsal femur (Fd). E. Ventral tibia (Tv). F. Dorsal tibia (Td).
FIGURE 3 in A new species of Phrynus Lamarck, 1801 (Arachnida: Amblypygi), from Trinidad and Tobago, and Venezuela, with a redescription of Phrynus pulchripes (Pocock, 1894)
FIGURE 3. Phrynus calypso sp. nov. Female Holotype: A. Carapace. B. Sternum. C. Dorsal opisthosoma. D. Chelicera, mesal view. E. Trochanter (Tr). F. Chelicera, ectal view.
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