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129 results for “Anelosimus”
Figure 32. Anelosimus baeza from Las Caucheras. A in A revision of the New World eximius lineage of Anelosimus (Araneae, Theridiidae) and a phylogenetic analysis using worldwide exemplars
Figure 32. Anelosimus baeza from Las Caucheras. A, female anterior lateral spinnerets; B, male fourth tarsal claws; C, female palp; D, male stridulatory pick row, arrows indicate a couple of the stridulatory nubbins interspersed in the area between the rows of picks; E, female palpal tibia; F, female cephalic region; G, male abdomen ventral. Scale bars: A,B, 10 µm; C–G, 100 µm.
Figure 26. Anelosimus octavius. A in A revision of the New World eximius lineage of Anelosimus (Araneae, Theridiidae) and a phylogenetic analysis using worldwide exemplars
Figure 26. Anelosimus octavius. A, epigynum; B, epiandrous gland spigots; C, male stridulatory pick row, note dorsally angled, mesally orientated, picks (arrows); D, female prosoma dorsal; E, female prosoma front; F, male carapace with leg I and femur IV; G, female left spinning field. Scale bars: A,C–G 100 µm; B, 50 µm.
Figure 27 in A revision of the New World eximius lineage of Anelosimus (Araneae, Theridiidae) and a phylogenetic analysis using worldwide exemplars
Figure 27. The 'jucundus group'. A–M, Anelosimus baeza. A, male palp mesal, from Baeza, Ecuador; B, same, ventral view; C, male palp ventral, from Colombia; D, epigynum, from Baeza, Ecuador; E–G, epigynum, from Las Caucheras, Ecuador. E, ventral view; F, internal epigynum, ventral; G, internal epigynum dorsal; H, male habitus, from Baeza; I, male habitus, from Las Cuacheras; J, female habitus, from Las Caucheras; K, same, profile; L, ectal view of male abdomen, from Baeza; M, ectal view of male abdomen, from Las Caucheras. N–Q, Anelosimus puravida. N, male palp mesal; O, same, ventral; P, epigynum; Q, internal epigynum dorsal.
Figure 43. Anelosimus tungurahua. A in A revision of the New World eximius lineage of Anelosimus (Araneae, Theridiidae) and a phylogenetic analysis using worldwide exemplars
Figure 43. Anelosimus tungurahua. A, epigynum; B, epiandrous gland spigots; C, male stridulatory pick row; D, female prosoma dorsal; E, same, front; F, male spinnerets, anterior is left; G, female palpal tibia dorsal; H, male tarsus I claws. Scale bars: A,B,F, 50 µm; C–E, 100 µm; G,H, 20 µm.
Figure 52. Anelosimus pantanal male palp. A in A revision of the New World eximius lineage of Anelosimus (Araneae, Theridiidae) and a phylogenetic analysis using worldwide exemplars
Figure 52. Anelosimus pantanal male palp. A, dorsal, note three tibial trichobothria (arrows); B, apicomesal; C, mesal; D, ventral; E, ventrocaudal; F, ectal. Scale bars: 100 µm.
Figure 35 in A revision of the New World eximius lineage of Anelosimus (Araneae, Theridiidae) and a phylogenetic analysis using worldwide exemplars
Figure 35. The 'studiosus group'. A–F, Anelosimus tosum. A, male palp mesal; B, same ventral; C, epigynum; D, internal epigynum dorsal; E, female abdomen dorsal; F, same ectal. G–J, Anelosimus oritoyacu. G, male palp mesal; H, same ventral; I, epigynum; J, internal epigynum dorsal. K–Q, Anelosimus tungurahua. K, male palp mesal; L, same ventral; M, male habitus ectal; N, same, dorsal; O, female abdomen ectal; P, epigynum; Q, internal epigynum dorsal.
Figure 31. Anelosimus baeza from Las Caucheras. A in A revision of the New World eximius lineage of Anelosimus (Araneae, Theridiidae) and a phylogenetic analysis using worldwide exemplars
Figure 31. Anelosimus baeza from Las Caucheras. A, epigynum; B, epiandrous gland spigots; C–F, female. C, abdomen ventral; D, abdomen surface; E, colular setae; F, posterior median and posterior lateral spinnerets. Scale bars: A,C,D, 100 µm; B,E, 50 µm; F, 10 µm.
Figure 45 in A revision of the New World eximius lineage of Anelosimus (Araneae, Theridiidae) and a phylogenetic analysis using worldwide exemplars
Figure 45. Anelosimus elegans, male palp (B–D,F, specimen 1; A,E, specimen 2). A, dorsomesal; B, mesal; C, submesal; D, ventral; E, ventral view, note deeper and broader incision of the distal hematodocha (arrow) as compared with specimen 1; F, ectal. Scale bars: 100 µm.
Figure 49. The studiosus group. A–F, Anelosimus studiosus. A in A revision of the New World eximius lineage of Anelosimus (Araneae, Theridiidae) and a phylogenetic analysis using worldwide exemplars
Figure 49. The studiosus group. A–F, Anelosimus studiosus. A, mesal view of male palp; B, ventral view of male palp; C, epigynum; D, internal epigynum dorsal; E, male habitus dorsal; F, female abdomen dorsal. G–J, Anelosimus pantanal. G, male palp mesal; H, same ventral; I, epigynum; J, internal epigynum dorsal. K–N, Anelosimus fraternus. K, male palp (holotype) mesal; L, same ventral; M, epigynum; N, internal epigynum dorsal.
Figure 40. Anelosimus oritoyacu Peru, male palp. A in A revision of the New World eximius lineage of Anelosimus (Araneae, Theridiidae) and a phylogenetic analysis using worldwide exemplars
Figure 40. Anelosimus oritoyacu Peru, male palp. A, dorsal view; B, ventral; C, caudoectal; D, apical; E, details of distal sclerites; F, close up of distal sclerites. Scale bars: A–E, 100 µm; F, 50 µm.
Figure 51. Anelosimus studiosus female. A in A revision of the New World eximius lineage of Anelosimus (Araneae, Theridiidae) and a phylogenetic analysis using worldwide exemplars
Figure 51. Anelosimus studiosus female. A, spinnerets; B, anterior lateral spinneret, anterior is right; C, posterior lateral, and posterior median spinnerets, right side; D, posterior median spinnerets, submesal view; E, colular setae (arrow), note absence of colulus; F, cheliceral teeth posterior view. Scale bars: A,E,F, 100 µm; B–D, 20 µm.
Figure 55. Characters I. A in A revision of the New World eximius lineage of Anelosimus (Araneae, Theridiidae) and a phylogenetic analysis using worldwide exemplars
Figure 55. Characters I. A, Anelosimus ethicus epigynum, note scape (arrow); B, Anelosimus may epigynum, note anterior septum (arrow); C, Enoplognatha ovata male palp, note unmodified terminal portion of the theridiid tegular apophysis (arrow); D, Argyrodes argyrodes male palp, note simple terminal hook on the theridiid tegular apophysis (vertical arrow) with terminal ridges, and the unique Argyrodes conductor (horizontal arrow); E, Anelosimus sp. 1 (Australia), male palp with a 'corkscrew' embolus (arrow); F, Kochiura aulica, male palp, note cymbial marginal setae strongly bent towards the palpal bulb (arrows); G, Anelosimus ethicus male prosoma, note robust femur I (arrow) compared with femur IV.
Figure 61 in A revision of the New World eximius lineage of Anelosimus (Araneae, Theridiidae) and a phylogenetic analysis using worldwide exemplars
Figure 61. The evolution of sociality. Three categories, solitary (thin lines), subsocial (intermediate lines) and social (thick lines) are mapped on the preferred phylogeny. Question marks indicate unknown behaviour; broken lines indicate ambiguous optimization, '1,2' indicate polymorphism. Subsociality evolved at the node leading to Anelosimus; sociality has arisen repeatedly; 7–8 origins are inferred within the genus (depending on interpretation of A. studiosus, which is polymorphic for this character). Sociality is always preceeded by subsociality (subsociality evolves at a more inclusive node), and subsociality in turn is preceeded by maternal care, which optimizes to the node leading to the lost colulus clade (see Agnarsson, 2004).
Figure 60 in A revision of the New World eximius lineage of Anelosimus (Araneae, Theridiidae) and a phylogenetic analysis using worldwide exemplars
Figure 60. Character optimization on the preferred phylogeny, with clade numbers in circles at the nodes. Numbers above branches indicate characters changing on that node, filled circles indicate characters with perfect fit to the cladogram. All changes are shown; ambiguous character optimization was generally resolved in favour of parallel losses, over parallel gains of structures (see Methods).
Figure 48. Anelosimus guacamayos. A,B, epigynum. A in A revision of the New World eximius lineage of Anelosimus (Araneae, Theridiidae) and a phylogenetic analysis using worldwide exemplars
Figure 48. Anelosimus guacamayos. A,B, epigynum. A, ventral; B, subcaudal. C, epiandrous gland spigots; D, female palpal tibia, dorsal view showing the three trichobothria (arrows); E, female fourth tarsal claws, central claw removed – note strong accessory claws (arrows); F, female cephalic region. Scale bars: A,B,F, 100 µm; C,E, 20 µm; D, 50 µm.
Figure 66. Anelosimus webs, all from Ecuador. A, A in A revision of the New World eximius lineage of Anelosimus (Araneae, Theridiidae) and a phylogenetic analysis using worldwide exemplars
Figure 66. Anelosimus webs, all from Ecuador. A, A. studiosus; B, A. guacamayos; C, A. eximius; D, A. oritoyacu; E, A. domingo.
Figure 28. Anelosimus baeza from Baeza, male palp. A in A revision of the New World eximius lineage of Anelosimus (Araneae, Theridiidae) and a phylogenetic analysis using worldwide exemplars
Figure 28. Anelosimus baeza from Baeza, male palp. A, mesal; B, ventral; C, subectal, note the ectal tegular process (arrow); D, ectal; E, details of conductor and embolus tip, ventral; F, same, mesal view. Scale bars: A–D, 100 µm; E,F, 50 µm.
Figure 30. Anelosimus baeza, male palp expanded. A in A revision of the New World eximius lineage of Anelosimus (Araneae, Theridiidae) and a phylogenetic analysis using worldwide exemplars
Figure 30. Anelosimus baeza, male palp expanded. A, mesal view; B, submesal, the arrow indicates the subconductor hood; C, dorsal; D, ectal; E, details of embolus. Scale bars: 100 µm.
Figure 34. Anelosimus puravida. A–C, female. A in A revision of the New World eximius lineage of Anelosimus (Araneae, Theridiidae) and a phylogenetic analysis using worldwide exemplars
Figure 34. Anelosimus puravida. A–C, female. A, epigynum; B, abdomen ventral; C, abdominal pedicel area. D, male stridulatory pick row, right side; E, female fourth tarsal claws; F, female prosoma dorsal; G, male anal tubercle. Scale bars: A–C,F, 100 µm. D, 20 µm; E,G, 10 µm.
Figure 25 in A revision of the New World eximius lineage of Anelosimus (Araneae, Theridiidae) and a phylogenetic analysis using worldwide exemplars
Figure 25. Anelosimus octavius, male palp, A–C,F, slightly expanded, D,E fully expanded. A, mesal view; B, ventral, the central ridge on the embolic division b (arrow) is diagnostic for this species; C, subectal viewl; D, dorsal; E, mesal; F, details of distal sclerites. Scale bars: 100 µm.
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