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10 results for “Mecistocephalus”
Figure 9. Mecistocephalus lohmanderi Verhoeff, 1939 in New Chilopoda from the Chagos Archipelago
Figure 9. Mecistocephalus lohmanderi Verhoeff, 1939. (A–E) NHM UK015626353; (C,D) NHM UK015619671. (A) Female ultimate leg-bearing segment, ventral view. (B) Female ultimate leg bearing segment, dorsal view. (C) Male ultimate leg-bearing segment, dorsal view. (D) Male ultimate legbearing segment, ventral view. (E) Metasternite of segment 7, ventral view.
Figure 8. Mecistocephalus lohmanderi Verhoeff, 1939. NHMUK015626353 in New Chilopoda from the Chagos Archipelago
Figure 8. Mecistocephalus lohmanderi Verhoeff, 1939. NHMUK015626353, except (C) NHMUK015619671. (A) Cephalic plate and antennae, dorsal view. (B) Labrum and clypeus, ventral view, showing spiculum (spi). (C) Labrum and clypeus, ventral view. (D) Forcipular segment, ventral view.
Figure 4. a–d in The second Mecistocephalus centipede without a spiculum: Mecistocephalus aspiculus sp. n. from south China (Chilopoda: Geophilomorpha: Mecistocephalidae)
Figure 4. a–d, Mecistocephalus aspiculus sp. n. (CMMI-20201217113): a, cephalic capsule, dorsal; b, clypeus, labrum and anterior part of cephalic pleurite, ventral, cephalic pleurite uncovered; c, stilus of the right cephalic pleurite, ventral; d, ultimate leg-bearing segment and postpedal segments, ventral; e, Mecistocephalus guildingii Newport, 1843, from Beihai, Guangxi (CMMI-20201122102): labrum, ventral; f, Mecistocephalus guildingii Newport, 1843 from Honghe, Yunnan (CMMI-20190123001): labrum, ventral; g, Mecistocephalus multidentatus Takakuwa, 1936, from Qingyuan, Guangdong (CMMI-20240123002): labrum, ventral; h, Mecistocephalus smithii Pocock, 1895, from Guangzhou, Guangdong (CMMI-20191014031): labrum, ventral. Scale bars: a–d = 250 μm; e, f = 50 μm; g, h = 150 μm.
Figure 3 in The second Mecistocephalus centipede without a spiculum: Mecistocephalus aspiculus sp. n. from south China (Chilopoda: Geophilomorpha: Mecistocephalidae)
Figure 3. Mecistocephalus aspiculus sp. n. (CMMI-20201217113): a, distal part of left mandible; b, sternite of leg-bearing segment, ventral (setae not represented); c, tergites of leg-bearing segments, dorsal; d, posterior part of trunk, ventral (with left penultimate leg and left telopodite of ultimate legbearing segment, setae on postpedal segments not represented); e, ultimate leg-bearing segment and postpedal segments, dorsal; f, ultimate leg-bearing segment and postpedal segments, ventral (setae represented only on postpedal segments). Scale bars: a, b = 100 μm; c–f = 500 μm.
Figure 2 in The second Mecistocephalus centipede without a spiculum: Mecistocephalus aspiculus sp. n. from south China (Chilopoda: Geophilomorpha: Mecistocephalidae)
Figure 2. Mecistocephalus aspiculus sp. n. (CMMI-20201217113): a, right antenna, ventral; b, antennal articles XIII and XIV of right antenna, dorsal; c, cephalic capsule, dorsal; d, clypeus, labrum and anterior part of cephalic pleurite, ventral, cephalic pleurite uncovered; e, cephalic capsule, ventral (maxillary complex removed); f, maxillary complex, ventral; g, forcipular segment, ventral; h, forcipular segment, dorsal. Areolation is drawn only partially but margins of areolate regions are indicated by incomplete lines. Scale bar: 500 μm.
Figure 1 in The second Mecistocephalus centipede without a spiculum: Mecistocephalus aspiculus sp. n. from south China (Chilopoda: Geophilomorpha: Mecistocephalidae)
Figure 1. Mecistocephalus aspiculus sp. n. (CMMI-20201217113): a, forcipular segment and anterior leg-bearing segments, dorsal; b, median part of body, dorsal; c, posterior part of body, dorsal. Scale bar: 1 mm.
Table 1. Main differential characters between M in The second Mecistocephalus centipede without a spiculum: Mecistocephalus aspiculus sp. n. from south China (Chilopoda: Geophilomorpha: Mecistocephalidae)
<p><b>Table 1.</b> Main differential characters between <i>M. aspiculus</i> Jiang and You, <b>sp. n.</b> and <i>M. yanagiharai</i> Takakuwa, 1936. Character states of <i>M. yanagiharai</i> are based on the description and reference pictures published by Uliana <i>et al.</i> (2007) and Takakuwa (1936a).</p><table><tbody><tr><th></th><th><i>Mecistocephalus yanagiharai</i></th><th><i>Mecistocephalus aspiculus</i></th></tr></tbody><tbody><tr><th>Species</th><td>Takakuwa, 1936</td><td>Jiang and You, <b>sp. n.</b></td></tr><tr><th>Clypeus: width/length</th><td>1.2</td><td>1.6</td></tr><tr><th>Clypeus: areolate part length/non-</th><td>1.45</td><td>0.45</td></tr><tr><th>areolate (plagulae) part length</th><td></td><td></td></tr><tr><th>Sensilla of clypeal plagulae</th><td>Absent</td><td>Present</td></tr><tr><th>Labral mid-piece: shape of posterior</th><td>Sub-fusiform</td><td>Inverted triangular</td></tr><tr><th>margin</th><td></td><td></td></tr><tr><th>Labral side-piece: shape of anterior</th><td>Almost straight, with external margins</td><td>Sinuous, with external margins</td></tr><tr><th>margin</th><td>slightly convergent backwards</td><td>evidently convergent forwards</td></tr><tr><th>Labral side-piece: shape of posterior</th><td>Straight</td><td>Convex close to the internal and</td></tr><tr><th>margin</th><td></td><td>external ends</td></tr><tr><th>Additional sclerite on the external of</th><td>Absent</td><td>Present (comma-shaped)</td></tr><tr><th>side-piece</th><td></td><td></td></tr><tr><th>First maxillary coxal projection: shape</th><td>Clavate, sub-triangular</td><td>Sub-trapezoid</td></tr><tr><th>of distal lobe</th><td></td><td></td></tr><tr><th>Article I of second maxillary</th><td>4.5</td><td>4</td></tr><tr><th>telopodite: length/width</th><td></td><td></td></tr></tbody></table>
FIGURES 1–4. Mecistocephalus guildingii Newport, 1843. 1 in Mecistocephalus guildingii Newport, 1843, a tropical centipede with amphi-Atlantic distribution (Chilopoda: Geophilomorpha)
FIGURES 1–4. Mecistocephalus guildingii Newport, 1843. 1, anterior part of body, dorsal; 2, head, ventral; 3, forcipular segment, ventral; 4, last leg-bearing segment and terminal part of the body, adult male, ventral. Photos taken from the following specimens (additional data in Material and methods): ♀, 30 mm, from Puerto Vallarta, Mexico (fig. 1); ♀, 25 mm, from Isle de Santiago, Cape Verde (fig. 2); ♂, 38 mm, from Isle de Santiago, Cape Verde (figs 3–4).
FIGURES 5–8 in Mecistocephalus guildingii Newport, 1843, a tropical centipede with amphi-Atlantic distribution (Chilopoda: Geophilomorpha)
FIGURES 5–8. One of the syntypes of Lamnonyx leonensis Cook, 1896 (= Mecistocephalus guildingii Newport, 1843), ♀, 38 mm, from Sierra Leone (additional data in Material and methods). 5, head, dorsal; 6, head, ventral; 7, anterior part of the trunk, ventral; 8, terminal part of the body, ventral.
FIGURE 9 in Mecistocephalus guildingii Newport, 1843, a tropical centipede with amphi-Atlantic distribution (Chilopoda: Geophilomorpha)
FIGURE 9. Geographical distribution of Mecistocephalus guildingii Newport, 1843, based on published as well as new records (listed in the Appendix). In some cases, a single dot corresponds to multiple localities.
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