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73 results for “Macrocheles”
Figure 5 in The genus Macrocheles Latreille (Acari: Mesostigmata: Macrochelidae) from Kelkit Valley (Turkey), with three newly recorded mite species
Figure 5. Macrocheles perglaber (male): A. Dorsal view, B. Ventral view.
Figure 2 in The genus Macrocheles Latreille (Acari: Mesostigmata: Macrochelidae) from Kelkit Valley (Turkey), with three newly recorded mite species
Figure 2. Macrocheles glaber (female): A. Dorsal view, B. Ventral view.
FIGURE 14 in Combination of morphological characters and ITSsequence to characterize a new species of Macrocheles (Acari: Macrochelidae)
FIGURE 14. Phylogenetic trees of five species (9 individuals) using PAUP*4b10 software. 14A. NeighbourJoining tree based on sequence of ITS1 region, under K81 + unequal frequencies model; 14B. Most parsimonious tree, using Branch and Bound method. For both trees, bootstrap values (50%) from analyses with 2000 replications are plotted.
FIGURES 8–13 in Combination of morphological characters and ITSsequence to characterize a new species of Macrocheles (Acari: Macrochelidae)
FIGURES 8–13. Macrocheles seraphim sp. nov.: 8. male, leg IV, proximal articles; 9. male, Leg II, femur and genu; 10. female, epistome. 11. Protonymph, dorsal view; 12. Deutonymph, dorsal view. 13. Protonymph, chelicera, distal end.
FIGURES 1–7 in Combination of morphological characters and ITSsequence to characterize a new species of Macrocheles (Acari: Macrochelidae)
FIGURES 1–7. Macrocheles seraphim sp. nov.: 1. female, dorsal shield; 2. female, ventral view; 3a. female, detail of pilose dorsal setae. 3b. female, detail of distally pilose dorsal setae. 3c. female, detail of distally irregular dorsal setae. 4. female, distal end of chelicera. 5. female, sacculus foeminus. 6. male, dorsal shield. 7. male, chelicera and spermatodactyl.
FIGURE 4 in Combined approach using morphology and ITS-sequences for description of three new species of Macrocheles (Acari: Macrochelidae)
FIGURE 4. Phylogenetic tree of seven Macrocheles species (14 individuals) and two outgroup species using PAUP*4b10 with Branch and Bound. Bootstrap values (=50%) from analyses with 1000 replications are plotted.
FIGURE 3 in Combined approach using morphology and ITS-sequences for description of three new species of Macrocheles (Acari: Macrochelidae)
FIGURE 3. Macrocheles ovoidalis sp. nov. Female. (a) dorsal shield; (b) ventral idiosoma; (c) epistome; (d) chelicera. Scale bar = 500 Μm for 3a, 300 Μm for 3b, 50 Μm for 3c, 30 Μm for 3d.
FIGURE 2 in Combined approach using morphology and ITS-sequences for description of three new species of Macrocheles (Acari: Macrochelidae)
FIGURE 2. Macrocheles bertrandi sp. nov. Female. (a) dorsal shield; (b) ventral idiosoma; (c) epistome; (d) chelicera. Scale bar = 500 Μm for 2a, 300 Μm for 2b, 50 Μm for 2c, 2d.
FIGURE 1 in Combined approach using morphology and ITS-sequences for description of three new species of Macrocheles (Acari: Macrochelidae)
FIGURE 1. Macrocheles lumareti sp. nov. Female. (a) dorsal shield; (b) ventral idiosoma; (c) epistome; (d) chelicera. Scale bar = 500 Μm for 1a, 1b, 50 Μm for 1c, 1d.
FIGURE 1 in Macrochelid mites (Mesostigmata: Macrochelidae) from São Paulo state, Brazil, with description of a new species of Macrocheles
FIGURE 1. Homogeneous mesoregions of the State of São Paulo indicating the collection points A. Region of Piracicaba (Piracicaba), B. Region of Ribeirão Preto (Cajuru); C. South coast region (Pariquera-Açu and Registro); D. Region of Vale do Paraíba (São Luis do Paraitinga and Paraibuna); E. Region of Bauru (Piratininga and Cabrália Paulista); F. Region of Presidente Prudente (Pirapozinho and Narandiba); G. Region of Sorocaba (Araçoiaba da Serra); H. Region of São José do Rio Preto (Nipoã).
FIGURES 7–11. Macrocheles embersoni n in Macrochelid mites (Mesostigmata: Macrochelidae) from São Paulo state, Brazil, with description of a new species of Macrocheles
FIGURES 7–11. Macrocheles embersoni n. sp. Female. 7. Ventral Idiosoma; 8. Tritosternum; 9. Peritreme; 10. Spermathecal apparatus; 11. Genu of leg IV.
FIGURES 2–6. Macrocheles embersoni n in Macrochelid mites (Mesostigmata: Macrochelidae) from São Paulo state, Brazil, with description of a new species of Macrocheles
FIGURES 2–6. Macrocheles embersoni n. sp. Female. 2. Lateral (antiaxial) view of chelicera; 3. Epistome; 4. Hypostome; 5. Dorsal idiosoma; 6. Seta j5.
Data from: Proximity to parasites reduces host fitness independent of infection in a Drosophila-Macrocheles system
<p>We assayed the longevity and reproductive output of Drosophila nigrospiracula exposed or not exposed to ectoparasitic Macrocheles subbadius accross a mesh barrier. As such we measured the non-consumptive effects (extending the ecology of fear to host-parasite systems) of an ectoparasite on host fecundity and survival. We found that exposure to mites, without infection, caused flies to live shorter lives and produce fewer offspring.</p>
FIGURES 11‒15. Macrocheles niksarensis, female. 11 in A review of the macrochelid mites of Turkey (Acari: Macrochelidae), with new records and descriptions of three new species
FIGURES 11‒15. Macrocheles niksarensis, female. 11. Spermathecal structures; 12. Hypostome; 13. Epistome; 14. Chelicera; 15. Tarsus II.
FIGURE 9 in Congruence between morphology and molecular data supports the distinction between the snapping shrimps Alpheus macrocheles and A. amblyonyx (Caridea, Alpheidae)
FIGURE 9. Localities of origin of the specimens of Alpheus macrocheles (Hailstone, 1835b) (red) and A. amblyonyx Chace, 1972 (blue) used in the morphology analysis (solid circles), or for both morphology and genetics (solid squares). Type localities are indicated with a letter X. The black arrow indicates the location of the neotype.
FIGURE 5. Alpheus amblyonyx Chace, 1972 in Congruence between morphology and molecular data supports the distinction between the snapping shrimps Alpheus macrocheles and A. amblyonyx (Caridea, Alpheidae)
FIGURE 5. Alpheus amblyonyx Chace, 1972, ovigerous female specimen from Guadeloupe, MNHN 12112. (A) major cheliped, lateral view; (B) same, mesial view; (C) minor cheliped, lateral view; (D) same, mesial view; (E, F) detail of the spiniform setae in the ischium and propodus of the major and minor chelae, respectively; (G) dactylus of the major chelae, mesial in mesial view, detail on the plunger. Scale bars: A–E, 1 mm; F, G, 0.5 mm.
FIGURE 1 in Congruence between morphology and molecular data supports the distinction between the snapping shrimps Alpheus macrocheles and A. amblyonyx (Caridea, Alpheidae)
FIGURE 1. Alpheus macrocheles (Hailstone, 1835b), neotype male specimen from Roscoff, France, RMHN.Crus.D.29789. (A) Carapace and cephalic appendages, dorsal view (setae omitted); (B) same, lateral view; (C) ventromesial carina of the antennular peduncle; (D) left mandible, mesial view; (E) first maxilla, lateral view; (F) second maxilla, lateral view; (G) first maxilliped, lateral view; (H) second maxilliped, lateral view; (I) third maxilliped, lateral view; (J) telson and uropods, dorsal view (setae omitted). Scale bars: A, B, I, J, 1 mm; C–H, 0.5 mm.
FIGURE 4. Alpheus amblyonyx Chace, 1972 in Congruence between morphology and molecular data supports the distinction between the snapping shrimps Alpheus macrocheles and A. amblyonyx (Caridea, Alpheidae)
FIGURE 4. Alpheus amblyonyx Chace, 1972, male specimen from Quintana Roo, Mexico, CNCR 21271. (A) Carapace and cephalic appendages, dorsal view (setae omitted); (B) same, lateral view; (C) ventromesial carina of the antennular peduncle; (D) third maxilliped, lateral view; (E) telson and uropods, dorsal view (setae omitted); (F) uropod, detail of the distal margin of endopod, setae ommited. Scale bars: A, B, D, E, F, 1 mm; C, 0.5 mm.
FIGURE 6. Alpheus amblyonyx Chace, 1972 in Congruence between morphology and molecular data supports the distinction between the snapping shrimps Alpheus macrocheles and A. amblyonyx (Caridea, Alpheidae)
FIGURE 6. Alpheus amblyonyx Chace, 1972, ovigerous female specimen from Guadeloupe, MNHN 12112. (A) second pereiopod, lateral view; (B) third pereiopod, lateral view; (C) fourth pereiopod, lateral view; (D) fifth pereiopod, lateral view; (E–G) third–fifth pereiopods, detail of the propodus; (H, I) third and fourth pereiopods in lateral view, detail of the dactylus. Scale bars: A–D, 1 mm; E–I, 0.5 mm.
FIGURE 8 in Congruence between morphology and molecular data supports the distinction between the snapping shrimps Alpheus macrocheles and A. amblyonyx (Caridea, Alpheidae)
FIGURE 8. Bayesian Inference Tree of 16S gene among specimens of Alpheus macrocheles (Hailstone, 1835b) and Alpheus amblyonyx Chace, 1972 and other snapping shrimp of the genus Alpheus Fabricius, 1798 and Synalpheus Spence Bate, 1888. CNCR: Colección Nacional de Crustáceos, Mexico; MNHN: Muséum national d'Histoire naturelle, France; RMNH: Netherlands Centre for Biodiversity Naturalis; OUMNH: Oxford University Museum of Natural History; UF: Florida Museum of Natural History; ULLZ: University of Louisiana at Lafayette Zoological Collection. Numbers close to nodes represent posterior probabilities.
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