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FIGURE 1. Opuntia tehuacana. A. Shrubby habit, 1.20 m high. B. Defined trunk, grayish scaly bark with light brown tones. C in Opuntia tehuacana and O. olmeca (Cactaceae, Opuntioideae) are to be considered as ascribed to a single species: morphological and molecular evidences
FIGURE 1. Opuntia tehuacana. A. Shrubby habit, 1.20 m high. B. Defined trunk, grayish scaly bark with light brown tones. C. Juvenile cladode, prominent tubers, areolas with short yellowish trichomes. Photographs by Martínez-González.
FIGURE 9 in A new species of Tarsonemus (Acari: Tarsonemidae) associated with the bark beetle, Polygraphus proximus (Coleoptera: Curculionidae: Scolytinae) from the Far East of Russia
FIGURE 9: Tarsonemus striatus n. sp., larva: A – dorsum of the body; B – venter of the body.
FIGURE 5 in A new species of Tarsonemus (Acari: Tarsonemidae) associated with the bark beetle, Polygraphus proximus (Coleoptera: Curculionidae: Scolytinae) from the Far East of Russia
FIGURE 5: Tarsonemus striatus n. sp., male: A – dorsum of the body; B – venter of the body
FIGURE 1 in A new species of Tarsonemus (Acari: Tarsonemidae) associated with the bark beetle, Polygraphus proximus (Coleoptera: Curculionidae: Scolytinae) from the Far East of Russia
FIGURE 1: Tarsonemus striatus n. sp., female: A – dorsum of the body; B – venter of the body.
FIGURE. Growth patterns of tree species and texture of their branches. A. Small tree erect lax canopy in Ch. orbiculata. B. Small tree with little branched stem in Ch. tocantinensis. C. Small tree with very branched stem in Ch. trichortyrsus. D. Stems with bark cerous in Ch. claussenii. E. Stems with bark longitudinally fissured in Ch. celiae. in Taxonomic review of Chamaecrista sect. Absus subsect. Absus ser. Paniculatae (Benth.) H.S. Irwin & Barneby (Leguminosae, Caesalpinioideae)
FIGURE. Growth patterns of tree species and texture of their branches. A. Small tree erect lax canopy in Ch. orbiculata. B. Small tree with little branched stem in Ch. tocantinensis. C. Small tree with very branched stem in Ch. trichortyrsus. D. Stems with bark cerous in Ch. claussenii. E. Stems with bark longitudinally fissured in Ch. celiae.
FIGURE 5. Chamaecrista crenulata. A. Habit. B. Stem, note the bark longitudinally fissured. C. Leaves. D. Panicle. E in Taxonomic review of Chamaecrista sect. Absus subsect. Absus ser. Paniculatae (Benth.) H.S. Irwin & Barneby (Leguminosae, Caesalpinioideae)
FIGURE 5. Chamaecrista crenulata. A. Habit. B. Stem, note the bark longitudinally fissured. C. Leaves. D. Panicle. E. Buds, note the indumentum viscous-verrucose. F. Flower with the highest inner petal. G. lower with four slightly elevated flat petals. H. Fruit, note the indumentum viscous-verrucose.
FIGURES 21–26 in A new species of the bark louse genus Clematoscenea (Psocodea: Psocidae) from Xizang, China
FIGURES 21–26. Clematoscenea biprocessus sp. n., paratype female (CAUPs001003). 21. Genitalia, dorsal view; 22. Genitalia, ventral view; 23. Epiproct, dorsal view; 24. Paraproct, lateral view; 25. Gonapophyses, ventral view; 26. Subgenital plate, ventral view. sp: subgenital plate; ep: epiproct; pp: paraproct; vv: ventral valve; dv: dorsal valve; ev: external valve. Scale bar = 0.2 mm.
FIGURES 12–15 in A new species of the bark louse genus Clematoscenea (Psocodea: Psocidae) from Xizang, China
FIGURES 12–15. Clematoscenea biprocessus sp. n., paratype male (CAUPs001001). 12–13. Phallosome, ventral view; 14–15. Phallosome, lateral view. Scale bar = 0.1 mm.
FIGURES 6–11 in A new species of the bark louse genus Clematoscenea (Psocodea: Psocidae) from Xizang, China
FIGURES 6–11. Clematoscenea biprocessus sp. n., paratype male (CAUPs001001). 6–7. Epiproct and paraproct, dorsal view; 8–9. Hypandrium, ventral view; 10–11. Hypandrium, lateral view. ep: epiproct; pp: paraproct, hy: hypandrium. Scale bar = 0.2 mm.
FIGURES 16–20 in A new species of the bark louse genus Clematoscenea (Psocodea: Psocidae) from Xizang, China
FIGURES 16–20. Clematoscenea biprocessus sp. n., paratype female (CAUPs001003). 16. Habitus, lateral view; 17. Habitus, dorsal view; 18. Head, frontal view; 19. Forewing; 20. Hind wing. Scale bar = 1 mm.
FIGURES 1–5 in A new species of the bark louse genus Clematoscenea (Psocodea: Psocidae) from Xizang, China
FIGURES 1–5. Clematoscenea biprocessus sp. n., 1–3. holotype male (CAUPs001010). 1. Habitus, lateral view; 2. Habitus, dorsal view; 3. Head, frontal view; 4–5. paratype male (CAUPs001001). 4. Forewing; 5. Hindwing. Scale bar = 1.0 mm.
FIGURE 2 Scolytus jiulianshanensis, male genitalia. A in Scolytus jiulianshanensis, a new species of bark beetle (Coleoptera: Curculionidae: Scolytinae) from elm in China
FIGURE 2 Scolytus jiulianshanensis, male genitalia. A) Dorsal view; B) Lateral view; C) Gastric spiculum.
FIGURE 1 Scolytus jiulianshanensis. A in Scolytus jiulianshanensis, a new species of bark beetle (Coleoptera: Curculionidae: Scolytinae) from elm in China
FIGURE 1 Scolytus jiulianshanensis. A) dorsal male habitus; B) lateral male habitus; C) male frons; D) male frons oblique; E) male venter; F) male venter oblique; G) dorsal female habitus; H) lateral female habitus; I) female frons; J) female frons oblique; K) female venter; L) female venter oblique.
Bark content variations and the production of Populus deltoides as a source of bioenergy under temperate climate conditions
<div> <div> <p>Bark biomass as an energy source has a high economic value. Bark content variations and production helps recognize the potential of this bioenergy source spatially before harvesting. The percentage of fresh and dry bark in Populus deltoides grown under a monoculture system was examined in the temperate region of northern Iran. Diameter at breast height (DBH) and total height data were analyzed based on an initial inventory. Ten sample trees were felled, separated into 2 m-segments, and weighted in the field. A 5-cm-thick disc from each segment was extracted for determining fresh and dry bark percentages. These were statistically significantly different in disc diameter classes and decreased with increasing disc diameters. Bark percentage of the disc classes ranged from 21.8 to 24.4% in small-sized diameters to 8.1‒9.3% in large-sized diameters. The differences between fresh and dry bark percentages depended on water content variations. Allometric power equations were fitted to data of fresh and dry bark percentages and disc diameters as well as DBH. The values of R2 ranged from 0.89 to 0.90. In addition, allometric power equations provided the best fits for relationships between total stem dry biomass, dry bark biomass, and DBH, R2 = 0.986 and 0.979 for the total stem dry biomass and stem dry bark biomass, respectively. The allometric models can be used to estimate bark percentage and bark production of P. deltoides in segments and for the whole stem for a wide range of segment diameters (8‒44 cm) and DBH (15‒45 cm).</p> </div> </div>
Species of Acantholichen occurring only in the Neotropics show a high degree of endemism (Dal Forno et al. 2016). Of the seven species now recognized in this genus (Table 2), 71.4% (5) are known only from South America. As with Dictyonema, Acantholichen seem to be specific to substrate type and appears in the Andean small forest occurring on mosses in tree bark inhabiting mostly exposed habitats. Cyphellostereum is also represented by a high number of species restricted to the Neotropics [6 (66.6%)], while one is known only from North America, one from Southeastern United States and Puerto Rico, and another species is known only from Borneo and Fiji (Table 2). It is probably due to their unusual appearance that these lichens are getting confused with free-living cyanobacteria colonies, and that there are still undescribed species in the Neotropics. in Eight new species of lichenized Basidiomycota in the genera Acantholichen, Cyphellostereum and Dictyonema s.str. (Agaricales, Hygrophoraceae) from northern South America
Species of Acantholichen occurring only in the Neotropics show a high degree of endemism (Dal Forno et al. 2016). Of the seven species now recognized in this genus (Table 2), 71.4% (5) are known only from South America. As with Dictyonema, Acantholichen seem to be specific to substrate type and appears in the Andean small forest occurring on mosses in tree bark inhabiting mostly exposed habitats. Cyphellostereum is also represented by a high number of species restricted to the Neotropics [6 (66.6%)], while one is known only from North America, one from Southeastern United States and Puerto Rico, and another species is known only from Borneo and Fiji (Table 2). It is probably due to their unusual appearance that these lichens are getting confused with free-living cyanobacteria colonies, and that there are still undescribed species in the Neotropics.
FIGURE 15. Opuntia hyptiacantha. A. 2.15 m high tree. B. Defined trunk, slightly grayish scaly bark with light brown tones. C in Molecular and morphological notes on Opuntia ser. Streptacanthae (Cactaceae)
FIGURE 15. Opuntia hyptiacantha. A. 2.15 m high tree. B. Defined trunk, slightly grayish scaly bark with light brown tones. C. Juvenile cladode with prominent tubers.
FIGURE 11. Opuntia streptacantha. A. 2.70 m high tree. B. Defined trunk, grayish scaly bark with black shades. C in Molecular and morphological notes on Opuntia ser. Streptacanthae (Cactaceae)
FIGURE 11. Opuntia streptacantha. A. 2.70 m high tree. B. Defined trunk, grayish scaly bark with black shades. C. Juvenile cladode with prominent tubers.
FIGURE 7. Opuntia lasiacantha. A. Arborescent habit, 2 m high. B. Defined trunk, slightly grayish scaly bark with light brown tones. C in Molecular and morphological notes on Opuntia ser. Streptacanthae (Cactaceae)
FIGURE 7. Opuntia lasiacantha. A. Arborescent habit, 2 m high. B. Defined trunk, slightly grayish scaly bark with light brown tones. C. Juvenile cladode with prominent tubers.
FIGURES 6–12 in Dipsocus gen. n.: A new bark louse genus of the tribe Thyrsophorini (Psocodea: Psocidae: Psocinae), with description of a new species from China
FIGURES 6–12. Dipsocus fashengi sp. n., paratype male. 6. Genitalia, dorsal view; 7. Genitalia, dorsal view; 8. Epiproct and paraproct, dorsal view; 9. Hypandrium, dorsal view; 10. Hypandrium, lateral view; 11. Phallosome, dorsal view; 12. Phallosome, lateral view. ep: epiproct; pp: paraproct. ph: phallosome; hyp: hypandrium.
FIGURES 1–5 in Dipsocus gen. n.: A new bark louse genus of the tribe Thyrsophorini (Psocodea: Psocidae: Psocinae), with description of a new species from China
FIGURES 1–5. Dipsocus fashengi sp. n., paratype male. 1. Habitus, lateral view; 2. Head, frontal view; 3. Habitus, dorsal view; 4. Forewing; 5. Hindwing.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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