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Dataset results
12 results for “Myrmecium”
FIGURES 5A J in Four new species of Myrmecium Latreille, 1824 and complementary description of M. machetero Candiani & Bonaldo, 2017 (Araneae: Corinnidae: Castianeirinae)
FIGURES 5A J. Myrmecium quasimodo sp. nov.: A male, dorsal view; B same, lateral view; C same, ventral view; D female, dorsal view; E same, lateral view; F same, ventral view; G male palp, ventral view; H same, retrolateral view; I epigynum, ventral view; J same, dorsal view (arrow indicating glandular knob position). Abbreviations: CO, copulatory duct; e, embolus; RTA, retrolateral tibial apophysis; ST I, primary spermathecae; ST II, secondary spermathecae. Scale = 1mm.
FIGURES 4A E in Four new species of Myrmecium Latreille, 1824 and complementary description of M. machetero Candiani & Bonaldo, 2017 (Araneae: Corinnidae: Castianeirinae)
FIGURES 4A E. Myrmecium coutoi sp. nov.: A female, dorsal view; B same, lateral view; C same, ventral view; D epigynum, ventral view; E same, dorsal view. Abbreviation s: CO, copulatory duct; FD, fertilization duct; ST II, secondary spermathecae; ST I, primary spermathecae. Scale = 1mm.
FIGURES 2A E in Four new species of Myrmecium Latreille, 1824 and complementary description of M. machetero Candiani & Bonaldo, 2017 (Araneae: Corinnidae: Castianeirinae)
FIGURES 2A E. Myrmecium urcuchillay sp. nov.: A male, dorsal view; B same, lateral view; C same, ventral view; D male palp, ventral view (arrow indicating the reservoir's third fold); E same, lateral view. Abbreviations: e, embolus; RTA, retrolateral tibial apophysis. Scale = 1mm.
FIGURES 1A E in Four new species of Myrmecium Latreille, 1824 and complementary description of M. machetero Candiani & Bonaldo, 2017 (Araneae: Corinnidae: Castianeirinae)
FIGURES 1A E. Myrmecium machetero Candiani & Bonaldo, 2017: A male, dorsal view; B same, lateral view; C same, ventral view; D male palp, ventral view; E same, lateral view. Abbreviations: e, embolus; RTA, retrolateral tibial apophysis. Scale = 1mm.
FIGURES 3A E in Four new species of Myrmecium Latreille, 1824 and complementary description of M. machetero Candiani & Bonaldo, 2017 (Araneae: Corinnidae: Castianeirinae)
FIGURES 3A E. Myrmecium girafales sp. nov.: A female, dorsal view; B same, lateral view (arrow indicating depression in
FIGURES 1–7 in A redescription of the ant mimicking spider Myrmecium gounellei (Araneae: Corinnidae, Castianeirinae), with notes on the genus
FIGURES 1–7. Somatic characters of Myrmecium gounellei, female (1–5) and male (6–7). 1, 6 habitus, dorsal; 2 prosoma and petiolus, ventral; 3 prosoma, lateral; 4 abdomen, lateral; 5, 7 abdomen, dorsal. Abbreviation: Ds dorsal scutum, Es epigastric scutum, Mp mating plug.
FIGURES 16–22 in A redescription of the ant mimicking spider Myrmecium gounellei (Araneae: Corinnidae, Castianeirinae), with notes on the genus
FIGURES 16–22. Copulatory organs of Myrmecium gounellei. 16–19 male palp, ventral, prolateral, dorsal and retrolateral; 20 intact epigyne with mating plugs; 21 epigyne and epigastral scutum after maceration, ventral; 22 epigyne, dorsal. Scale = 0.2 mm. Abbreviations: Bc bursa copulatrix, Br brush of strong setae, Eo Co epigynal opening, Ep embolus proper, Id insemination duct, Mp mating plug, Rc round chambers, Re receptacle, Rl retrolateral tibial apophysis, Rv retroventral apophysis, So small outgrowth, Sp spermophor, Tl transversal loop of spermophor.
FIGURES 8–15 in A redescription of the ant mimicking spider Myrmecium gounellei (Araneae: Corinnidae, Castianeirinae), with notes on the genus
FIGURES 8–15. Original illustrations of several Myrmecium species showing habitus and copulatory organs. 8 M. obscurum (habitus, epigyne and palp); 9, 11 male of M. itatiaiae (habitus and palp); 10 M. rufum (habitus, epigyne and palp); 12 M. rufum (bulb and cymbium); 13 M. rufum (male palpal tibia, retrolateral); 14–15 habitus of M. bifasciatus and M. gounellei respectively. Figs 8, 10 after Keyserling (1891); 9, 11 after Mello-Leitão (1932); 12–13 after Camargo (1953); 14 after Taczanowski (1874); 15 after Simon (1896).
FIGURE 1. Myrmecium fuscum Dahl, 1907 in Myrmecium colombianum (Poinar, 2024) n. comb.-the second known fossilized castianeirine spider, illustration of a further specimen of Myrmecium in Colombian copal and notes on transformational ant mimicry and evolution of the genus
FIGURE 1. Myrmecium fuscum Dahl, 1907, female, Chairo, La Paz Department, Bolivia: A. Lateral view, arrow indicates the large hump over leg IV insertion which is characteristic of the species group; B. Dorsal view, arrows indicate the three deep lateral carapace constrictions, diagnostic feature for the genus; scale bars 1 mm. C. Dorsal habitus of minor worker of Crematogaster sp., possible model of juvenile Myrmecium sp., Villa Tunari, Bolivia. D. Dorsal habitus of juvenile of Myrmecium sp. in Colombian copal (no further information available; photo source: FossilEra (2024), copyright Matt Heaton). Ontogenetic transformation in Myrmecium bifasciatum Taczanowski, 1874, Villa Tunari, Bolivia: E. Dorsal habitus of juvenile, length between 2–3 mm, recently hatched from the egg sac, the abdomen becomes more Crematogaster-like (teardrop-shaped) after feeding; F. Dorsal habitus of mother, length about 7 mm.
MAP 2 in Four new species of Myrmecium Latreille, 1824 and complementary description of M. machetero Candiani & Bonaldo, 2017 (Araneae: Corinnidae: Castianeirinae)
MAP 2. Distribution records of Myrmecium quasimodo sp. nov.
FIGURES 3A E in Four new species of Myrmecium Latreille, 1824 and complementary description of M. machetero Candiani & Bonaldo, 2017 (Araneae: Corinnidae: Castianeirinae)
FIGURES 3A E. Myrmecium girafales sp. nov.: A female, dorsal view; B same, lateral view (arrow indicating depression in posterior end of carapace); C same, ventral view; D epigynum, ventral view; E same, dorsal view (dark setae indicating globular knob). Abbreviations: CO, copulatory duct; FD, fertilization duct; ST I, primary spermathecae; ST II, secondary spermathecae Scale = 1mm.
MAP 1 in Four new species of Myrmecium Latreille, 1824 and complementary description of M. machetero Candiani & Bonaldo, 2017 (Araneae: Corinnidae: Castianeirinae)
MAP 1. Distribution records of species of Myrmecium from Perú (white symbols, species recorded by Candiani & Bonaldo, 2017; red symbols, new species and new record of Myrmecium machetero Candiani & Bonaldo, 2017).
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