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492 results for “trapdoor spider”
FIGURE 5. A in A new trapdoor spider species from the southern Coast Ranges of California (Mygalomorphae, Antrodiaetidae, Aliatypus coylei, sp. nov,), including consideration of mitochondrial phylogeographic structuring
FIGURE 5. A) Majority-rule consensus phylogram resulting from partitioned Bayesian analysis. Aliatypus coylei haplotypes are labeled with specimen number, location abbreviation, and site number (corresponding to Fig. 1). Posterior probability values are shown for both partitioned (above branches) and unpartitioned (below branches) analyses. Samples with morphological images included in Figs 3 and 4 are highlighted. B) Geographic distribution of haplotype groupings. Site numbers correspond to Fig. 1.
FIGURE 4 in A new trapdoor spider species from the southern Coast Ranges of California (Mygalomorphae, Antrodiaetidae, Aliatypus coylei, sp. nov,), including consideration of mitochondrial phylogeographic structuring
FIGURE 4. Female sternal sigilla, viewed ventrally: A) paratype female, MY1013, Carmel Valley Road (site 18), B) MY374, Jack's Peak County Park (site 12), C) MY2671, Kanan Dume Road (site 24), D) MY4194, Harlan Mtn Road (site 5), E) MY1642, Lonoak Road (site 11) F) MY829, E of Santa Margarita (site 22). Colored dots correspond to genetic groups of Fig. 5. Site numbers correspond to Table 1 and Fig. 1C. Scale bar = 1 mm.
FIGURES 43–51. Aname marae n in Molecular and morphological characterisation of new species in the trapdoor spider genus Aname (Araneae: Mygalomorphae: Nemesiidae) from the Pilbara bioregion of Western Australia
FIGURES 43–51. Aname marae n. sp., holotype male (WAM T98424): 43, carapace, dorsal view; 44, abdomen, dorsal view; 45, cephalothorax, ventral view; 46, eye group; 47, maxillae, labium and anterior region of sternum, ventral view; 48, left leg I, retrolateral view; 49, left tibia and metatarsus I, retrolateral view; 50, left pedipalpal tibia and tarsus, ventral view; 51, same, retrolateral view.
FIGURES 34–42. Aname ellenae n in Molecular and morphological characterisation of new species in the trapdoor spider genus Aname (Araneae: Mygalomorphae: Nemesiidae) from the Pilbara bioregion of Western Australia
FIGURES 34–42. Aname ellenae n. sp., holotype male (WAM T98890): 34, carapace, dorsal view; 35, abdomen, dorsal view; 36, cephalothorax, ventral view; 37, eye group; 38, maxillae, labium and anterior region of sternum, ventral view; 39, left leg I, retrolateral view; 40, left tibia and metatarsus I, retrolateral view; 41, left pedipalpal tibia and tarsus, ventral view; 42, same, retrolateral view.
FIGURES 25–33. Aname aragog n in Molecular and morphological characterisation of new species in the trapdoor spider genus Aname (Araneae: Mygalomorphae: Nemesiidae) from the Pilbara bioregion of Western Australia
FIGURES 25–33. Aname aragog n. sp., holotype male (WAM T95404): 25, carapace, dorsal view; 26, abdomen, dorsal view; 27, cephalothorax, ventral view; 28, eye group; 29, maxillae, labium and anterior region of sternum, ventral view; 30, left leg I, retrolateral view; 31, left tibia and metatarsus I, retrolateral view; 32, left pedipalpal tibia and tarsus, retrolateral view; 33, same, ventral view.
FIGURES 21–24. Aname mellosa n in Molecular and morphological characterisation of new species in the trapdoor spider genus Aname (Araneae: Mygalomorphae: Nemesiidae) from the Pilbara bioregion of Western Australia
FIGURES 21–24. Aname mellosa n. sp., females: 21, dorsal view (WAM T96145); 22, maxillae, labium and anterior region of sternum, ventral view (WAM T96145); 23, genitalia, dorsal view (WAM T101163); 24, genitalia, dorsal view (WAM T102911).
FIGURE 9 in Molecular and morphological characterisation of new species in the trapdoor spider genus Aname (Araneae: Mygalomorphae: Nemesiidae) from the Pilbara bioregion of Western Australia
FIGURE 9. Bayesian majority-rule consensus tree, showing results from the phylogenetic analyses of the COI mtDNA dataset (658 bp, 36 taxa). Thickened branches represent clades with>95% posterior probability (PP) support, with lower PP values shown above other nodes. Numbers below nodes denote bootstrap support values following parsimony analysis of the same dataset. Asterisks denote holotype (**) and paratype (*) specimens, respectively.
FIGURES 5–8 in Molecular and morphological characterisation of new species in the trapdoor spider genus Aname (Araneae: Mygalomorphae: Nemesiidae) from the Pilbara bioregion of Western Australia
FIGURES 5–8. Maps showing collecting locations of Aname species in Western Australia: 5, A. mellosa n. sp.; 6, A. aragog n. sp.; 7, A. ellenae n. sp.; 8, A. marae n. sp.
FIGURES 1–4. Aname mellosa n in Molecular and morphological characterisation of new species in the trapdoor spider genus Aname (Araneae: Mygalomorphae: Nemesiidae) from the Pilbara bioregion of Western Australia
FIGURES 1–4. Aname mellosa n. sp.: 1, living female (WAM T113612); 2–4, burrow entrances: 2, female (WAM T113574); 3, female (WAM T113576); 4, female (WAM T113582). Images courtesy of R. Teale.
FIGURES 10–20. Aname mellosa n in Molecular and morphological characterisation of new species in the trapdoor spider genus Aname (Araneae: Mygalomorphae: Nemesiidae) from the Pilbara bioregion of Western Australia
FIGURES 10–20. Aname mellosa n. sp., holotype male (WAM T94870): 10, carapace, dorsal view; 11, abdomen, dorsal view; 12, cephalothorax, ventral view; 13, eyegroup, dorsal view; 14, maxillae, labium and anterior region of sternum, ventral view; 15, left leg I, retrolateral view; 16, left tibia and metatarsus I, retrolateral view; 17, left pedipalp, prolateral view; 18, left pedipalp, retrolateral view; 19, left pedipalpal tibia and tarsus, retrolateral view; 20, same, ventral view.
FIGURE 2 in A new species-complex within the trapdoor spider genus Nemesia Audouin 1826 distributed in northern and central Italy, with descriptions of three new species (Araneae, Mygalomorphae, Nemesiidae)
FIGURE 2. Dorsal view of living adult female N. hastensis n. sp. (BL»18mm) showing general appearance of Nemesia species included in apenninica group. Note: difference in color intensity between living and preserved specimen (Fig. 3).
FIGURE 9 in A new species-complex within the trapdoor spider genus Nemesia Audouin 1826 distributed in northern and central Italy, with descriptions of three new species (Araneae, Mygalomorphae, Nemesiidae)
FIGURE 9. Closed (left) and opened (right) trapdoor of N. hastensis n. sp. Extremely well camouflaged door in moss-covered surroundings. Burrow entrance diameter = ca.12mm. Photo: Francesco Tomasinelli.
FIGURE 5. Nemesia apenninica n in A new species-complex within the trapdoor spider genus Nemesia Audouin 1826 distributed in northern and central Italy, with descriptions of three new species (Araneae, Mygalomorphae, Nemesiidae)
FIGURE 5. Nemesia apenninica n. sp.: camera lucida drawings of right male palpal organ (A–D) and in dorsal view, female spermathecae (E). Asymmetrically shaped palpal organ shown under four rotation angles around longitudinal axis (ax). A = ventral, B = dorsal, C = retrolateral, D = prolateral, the spermathecae are drawn in ventral view.
FIGURE 1 in A new species-complex within the trapdoor spider genus Nemesia Audouin 1826 distributed in northern and central Italy, with descriptions of three new species (Araneae, Mygalomorphae, Nemesiidae)
FIGURE 1. Methods of measurement: A, measurements of dorsal body-parts. BL = body length, CL = carapace length, Ca = caput length, CW = carapace width; B, measurements of eye-formation AER = width anterior eye-row, ALE = diameter anterior lateral eye, PER = width posterior eye-row, PLE = diameter posterior lateral eye; C, measurements of ventral parts of the prosoma. ll = labium length, lw = labium width, ml = maxilla length, mw = maxilla width, sl = sternum length, sw = sternum width; D, measurements of palp segments in retrolateral view (sum of these measurements gives total length of palps). Cyl = cymbium length, Til = tibia length, Pal = patella length, Fel = femur length; E, measurements of leg-segments (sum of these measurements gives total length of legs). Tal = tarsus length, Mel = metatarsus length, other segments as in palp. Anterior legs are measured along retrolateral face, posterior appendages along prolateral face.
FIGURE 8 in A new species-complex within the trapdoor spider genus Nemesia Audouin 1826 distributed in northern and central Italy, with descriptions of three new species (Araneae, Mygalomorphae, Nemesiidae)
FIGURE 8. Collection sites of Nemesia species included in apenninica group. N. apenninica n. sp. (red dots), Nemesia hastensis n. sp. (blue dots), and N. pedemontana n. sp. (yellow dots). Note distributional segregation between N. hastensis and N. apenninica and the relatively wide and overlapping distribution of N. pedemontana. Apparent gaps in distribution ranges of N. apenninica and N. pedemontana are result of incomplete sampling.
FIGURE 4 in A new species-complex within the trapdoor spider genus Nemesia Audouin 1826 distributed in northern and central Italy, with descriptions of three new species (Araneae, Mygalomorphae, Nemesiidae)
FIGURE 4. Broadly similar appearance of three Nemesia new species, described below, of the apenninica group: A, N. apenninica (f), CL = 5.4mm; B, N. apenninica (m), CL = 5.3mm; C, N. hastensis (f) CL = 5.3mm; C, N. hastensis (m), CL = 4.7mm; D, N. pedemontana (f), CL = 5.8mm; E, N. pedemontana (m), CL = 4.3mm. Variations in pigment patterns (although generally slightly darker in N. pedemontana), carapace shape seen here have only weak diagnostic value in Nemesia species level taxonomy.
FIGURE 3 in A new species-complex within the trapdoor spider genus Nemesia Audouin 1826 distributed in northern and central Italy, with descriptions of three new species (Araneae, Mygalomorphae, Nemesiidae)
FIGURE 3. General appearance of 70% ethanol preserved N. hastensis n. sp. of apenninica group. Left, male BL=13.6mm; right, female BL=17.7mm.
FIGURE 10 in A new species-complex within the trapdoor spider genus Nemesia Audouin 1826 distributed in northern and central Italy, with descriptions of three new species (Araneae, Mygalomorphae, Nemesiidae)
FIGURE 10. Brood care in Nemesia hastensis n. sp.: adult female and juveniles sharing maternal burrow. Photo: Francesco Tomasinelli.
FIGURE 7. Nemesia pedemontana n in A new species-complex within the trapdoor spider genus Nemesia Audouin 1826 distributed in northern and central Italy, with descriptions of three new species (Araneae, Mygalomorphae, Nemesiidae)
FIGURE 7. Nemesia pedemontana n. sp., camera lucida drawings (as in Fig. 5) of right male palpal organ (A–D) and female spermathecae (E). Distribution of glandular tissue as in N. apenninica.
FIGURE 6. Nemesia hastensis n in A new species-complex within the trapdoor spider genus Nemesia Audouin 1826 distributed in northern and central Italy, with descriptions of three new species (Araneae, Mygalomorphae, Nemesiidae)
FIGURE 6. Nemesia hastensis n. sp., camera lucida drawings (as in Fig. 5) of right male palpal organ (A–D) and female spermathecae (E). Distribution of glandular tissue as in N. apenninica.
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