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Figs. 5-7 in A pair of basi-abdominal sex pheromone glands in the male of some burrower bugs (Hemiptera: Heteroptera: Cydnidae)
Figs. 5-7. Paraethus capicola (Westwood, 1837) (Geotomini), cuticular structure of the male basi-abdominal glands. 5 – general view of the glands; scale bar: 0.5 mm. 6 – detail of the tripartite ductules of the secretory units; scale bar: 0.02 mm. 7 – detail of the intima at the level of the efferent canal connecting the reservoir to the external opening; scale bar: 0.02 mm. Abbreviations: cc – conducting canal; ci – cone-shaped invagination; du – ductule; ef – efferent canal; lu – lumen; os – ostiole; r – reservoir; rc – receiving canal; sa – saccule.
Figs. 1-4 in A pair of basi-abdominal sex pheromone glands in the male of some burrower bugs (Hemiptera: Heteroptera: Cydnidae)
Figs. 1-4. Paraethus capicola (Westwood, 1837) (Geotomini), location of the male basi-abdominal glands. 1 – male adult in lateral view showing the site of the external opening of the glands and surrounding structures: stridulatory apparatus (plectrum and stridulitrum), anterior dorso-abdominal glands and metathoracic glands; scale bar: 5 mm. 2 – detail of the abdomen and location of the PBA gland ostiole; scale bar: 2 mm. 3 – internal view of the abdominal tergum, showing place of PBA glands and surrounding structures; scale bar: 2 mm. 4 – detail of the external opening on the pleural area in front of the sternite 3 and laterotergite 3, internal view; scale bar: 0.2 mm. Abbreviations: ap – apodeme; DAg – anterior dorso-abdominal gland; Lt – laterotergite; Mt – mediotergite; MTg – metathoracic gland; PBAg – pleuro basi-abdominal gland (ostiole); os – ostiole; pl – plectrum; S – sternite; sp – spiracle; se – setae; st – stridulitrum; tr – trichobothries; v – vestiges of the median and posterior dorso-abdominal glands.
FIGURES 90–98. Noideattella omby new species. 90. Genitalia female, dorsal view. 91. Receptaculum accessory gland ducts, dorsal view. 92. Metatarsus and tarsus I female, retrolateral view. 93. Tibia 1 female, retrolateral view. 94. Chelicerae male, anterior view. 95. Embolus, dorsal view. 96. Embolus, retrolateral view. 97. Embolus, prolateral view. 98 in Indian Ocean goblin spiders (Araneae, Oonopidae): four new species of pelicinoids from Madagascar, with a redescription of the type species Silhouettella curieusei Benoit, 1979
FIGURES 90–98. Noideattella omby new species. 90. Genitalia female, dorsal view. 91. Receptaculum accessory gland ducts, dorsal view. 92. Metatarsus and tarsus I female, retrolateral view. 93. Tibia 1 female, retrolateral view. 94. Chelicerae male, anterior view. 95. Embolus, dorsal view. 96. Embolus, retrolateral view. 97. Embolus, prolateral view. 98. Embolus, ventral view. Scale bars = 50 µm, except emboli and Receptaculum accessory gland ducts = 10 µm.
FIGURES 73–81. Silhouettella perisalma new species. 73. Genitalia female, dorsal view. 74. Receptaculum accessory gland ducts, dorsal view. 75. Tarsal organ female, dorsal view. 76. Chelicerae male, anterior view. 77. Pedicel area male, dorsal view. 78. Embolus, dorsal view. 79. Embolus, prolateral view. 80. Embolus, retrolateral view. 81 in Indian Ocean goblin spiders (Araneae, Oonopidae): four new species of pelicinoids from Madagascar, with a redescription of the type species Silhouettella curieusei Benoit, 1979
FIGURES 73–81. Silhouettella perisalma new species. 73. Genitalia female, dorsal view. 74. Receptaculum accessory gland ducts, dorsal view. 75. Tarsal organ female, dorsal view. 76. Chelicerae male, anterior view. 77. Pedicel area male, dorsal view. 78. Embolus, dorsal view. 79. Embolus, prolateral view. 80. Embolus, retrolateral view. 81. Embolus, ventral view. Scale bars = 50 µm, except emboli = 10 µm, female receptaculum accessory gland and tarsal organ 75 = 2 µm.
Figs. 207–210. Trichocyclus arabana. 207. Male gonopore. 208. Female palpal tarsal organ. 209. Male ALS, with several piriform gland spigots. 210. Female tarsus 1 in The Pholcids Of Australia (Araneae; Pholcidae): Taxonomy, Biogeography, And Relationships
Figs. 207–210. Trichocyclus arabana. 207. Male gonopore. 208. Female palpal tarsal organ. 209. Male ALS, with several piriform gland spigots. 210. Female tarsus 1 near tip. Scale lines: 50 µm (207, 210), 10 µm (208, 209).
Fig. 7. Mesothoracic spiracle and metathoracic scent gland evaporatory area. A. Galbinocoris caepa. B. Hamatophylus guttulosus. C. Insulaphylus cruz. D. Maculamiris baja. E. Quernocoris caliginosus. F in New Genera, New Species, and New Combinations in Western Nearctic Phylini (Heteroptera: Miridae: Phylinae)
Fig. 7. Mesothoracic spiracle and metathoracic scent gland evaporatory area. A. Galbinocoris caepa. B. Hamatophylus guttulosus. C. Insulaphylus cruz. D. Maculamiris baja. E. Quernocoris caliginosus. F. Vesperocoris paddocki.
Fig. 8 in Reproductive biology and development of gill glands in the inseminating characid, Macropsobrycon uruguayanae Eigenmann, 1915 (Cheirodontinae: Compsurini)
Fig. 8. Oblique section through the gill gland on the first right gill arch of a mature male Macropsobrycon uruguayanae examined by transmission electron microscopy, showing columnar cells (cc) with nucleus (n) near the base of the cell and cytoplasm filled with electron-lucent vesicles between the reduced gill secondary lamellae (sl). In B, note that some vesicles contain more electron-dense material. A, magnification: 1290x. B, magnification: 4135x.
Fig. 1 in Reproductive biology and development of gill glands in the inseminating characid, Macropsobrycon uruguayanae Eigenmann, 1915 (Cheirodontinae: Compsurini)
Fig. 1. Monthly distribution of the gonadosomatic index (GSI) values of males (A) and females (B) of Macropsobrycon uruguayanae. IGS means (triangles) were calculated based only in adult specimens (circles), excluding immature specimens (squares). There were no males collected in August, October, December, and January. A single adult male was captured in November.
Fig. 2 in Reproductive biology and development of gill glands in the inseminating characid, Macropsobrycon uruguayanae Eigenmann, 1915 (Cheirodontinae: Compsurini)
Fig. 2. Relative frequency of males (A) and females (B) of Macropsobrycon uruguayanae with mature gonads (dark bars) and gonads in advanced stages of maturation (white bars).
Fig. 4 in Reproductive biology and development of gill glands in the inseminating characid, Macropsobrycon uruguayanae Eigenmann, 1915 (Cheirodontinae: Compsurini)
Fig. 4. Total counts of vitellogenic oocytes versus body weight (g) of thirteen mature females of Macropsobrycon uruguayanae.
Fig. 7 in Reproductive biology and development of gill glands in the inseminating characid, Macropsobrycon uruguayanae Eigenmann, 1915 (Cheirodontinae: Compsurini)
Fig. 7. Light micrographs of sections through gill glands of two mature male Macropsobrycon uruguayanae; A, C, D, MCP 11939, 28.2 mm SL, glycol methacrylate, toluidine blue; B, MCP 18588, 39.0 mm SL, paraffin, modified Masson's trichrome. A, sagittal section showing gill gland of first gill arch formed from at least 23 modified gill filaments that are fused and covered distally by epithelial tissue (arrowheads) thus forming enclosed chambers (lumen, asterisks); anterior is to the left; unmodified gill filaments (ug) are seem at the posterior region of the gill arch; gill rakers (gr). B, frontal section through ventral region of first gill arch showing a gill gland made up of at least 24 modified gill filaments; each chamber (lumen, asterisk) that is covered distally by epithelial tissue (arrowheads) over most of the surface of the gland eventually opens (o) into the gill chamber ventrally. Note that the gill gland is only formed on the distal side of the first gill arch, unmodified gill filaments (ug) are seen medially. C, higher magnification of the gill gland in "A" showing columnar cells (c) between reduced secondary lamellae; epithelial cover (arrowhead) of gill chambers (lumen, asterisk); artifact space (a). D, higher magnification of "C" showing columnar cells (c) with basal nuclei and granular apical cytoplasm in between greatly shortened secondary lamellae (arrow); artifact spaces (a) due to shrinkage during tissue preparation actually help demonstrate the integrity of the reduced secondary lamellae; gill gland chamber lumen (asterisk).
Fig. 3 in Reproductive biology and development of gill glands in the inseminating characid, Macropsobrycon uruguayanae Eigenmann, 1915 (Cheirodontinae: Compsurini)
Fig. 3. Ovaries and testis. Sagital sections (3mm), stained with hematoxylin and eosin (H&E). A, ovary of a maturing female with previtelogenic oocytes containing spermatozoa (arrows) in the lúmen (specimen collected in July 2001; 27.8 mm SL; IGS=0.89). Magnification: 10x10. B, ovary of a mature female containing spermatozoa in the lúmen (arrows) (specimen collected in September 2001; 28.9 mm SL; IGS=4.87). C, testis showing initial phases of spermiogenesis and spermatozoa. D, testis containing spermatozoa. B, C, D magnification: 40x10.
Figure 19. Anelosimus eximius. A, epiandrous gland spigots. B in Morphological phylogeny of cobweb spiders and their relatives (Araneae, Araneoidea, Theridiidae)
Figure 19. Anelosimus eximius. A, epiandrous gland spigots. B, epigynum; note ridges on epigynal plate (arrows, 3-1). C, prolateral cheliceral margin. D, retrolateral cheliceral margin. E, male fourth tarsal claws. F, female prosoma. Scale bars: A, C–E, 20 Mm; B, 50 Mm; F, 100 Mm.
Figs 7–13 in The maxillary organ gland: Description of a new head gland in Scutigera coleoptrata (Chilopoda, Notostigmophora)
Figs 7–13. Maxillary organ gland of Scutigera coleoptrata. 7. Transition between secretory cell (sc) and intermediary cell (ic). 8. General view of intermediary cells (ic) and connecting proximal (pc) and distal canal cells (dc). 9. Transition between intermediary cell (ic) and proximal canal cell (pc) with its apical infoldings. Note the cuticular lining (cu) of the conduction canal in the most distal part of the intermediary cell. 10. Distal part of maxillary organ gland with several cross sections of the proximal (pc) and distal (dc) canal cells and their cuticular ducts (*). 11. Cross sectioned proximal canal cell with apical infoldings and cuticular duct. The asterisk points. 12. Cross section of the distal canal cell (dc) with its cuticular duct (*). (pc) proximal canal cell. 13. Part of distal canal cell with its conducting canal (*) passing through the cuticle (cu) of the
Fig. 4 in Hitherto undescribed interommatidial exocrine glands in Chilopoda
Fig. 4. Transmission electron micrographs (TEM), showing fine structural organisation of the interommatidial exocrine gland within the lateral compound eye of Lithobius forficatus. A. Transverse section through proximal region of one secretory gland cell containing typical glandular organelles. The gland cell lobe is surrounded by dense layers of covering and proximal (basal) retinula cells. B. Transverse section through distal region of two neighbouring, unequally sized secretory gland cells; the upper one being penetrated by a small proximal process of the canal cell with the cuticular gland ductule. C. Oblique-transverse section through a triangular interstitium in distal eye region. Two neighbouring, but not yet fused canal cells fill the interommatidial space and are surrounded by covering cells and distal retinula cells. D. Transverse section through middle part of one canal cell containing axially placed cuticular gland ductule. ax = nerve bundle, cc = canal cell, co = cornea, coc = covering (interommatidial pigment) cells, dic = dictyosome, du = cuticular gland ductule, gc = secretory gland cell, mt = mitochondrium, nu = nucleus, pro = cuticular projections, rc = retinula cell, rER = rough endoplasmatic reticulum, sv = secretory vesicle.
Fig. 2 in Hitherto undescribed interommatidial exocrine glands in Chilopoda
Fig. 2. Scanning electron micrographs (SEM) showing the outer morphology of the compound eyes of Scutigera coleoptrata and Lithobius forficatus. A. Lateral view of right compound eye of S. coleoptrata, reproducing fairly dense hexagonal packing of the facets (chosen counting regions marked). B. Dorsal view of one triangular interommatidial space, housing one gland pore opening (S. coleoptrata). C. Lateral view of the left eye of L. forficatus representing a lateral field of 25 condensed, sometimes hexagonally arranged, ommatidia. D. Antero-lateral view of two interommatidial gland pore openings on the corneal surface of the left eye of L. forficatus. an = anterior eye region, ap = apical eye region, do = dorsal, gp = interommatidial gland pore, ld = latero-dorsal eye region, lv = latero-ventral eye region, om = ommatidium, po = posterior eye region, tö = Tömösváry Organ.
Fig. 1 in Hitherto undescribed interommatidial exocrine glands in Chilopoda
Fig. 1. Semi-schematic reconstruction of two different types of scutigeromorph and lithobiomorph interommatidial exocrine gland. A. A longitudinal section through one interommatidial exocrine gland present within the compound eye of Scutigera coleoptrata. B. The probably more advanced lithobiomorph type, where up to three glandular modules are fused to one single interommatidial exocrine gland (Lithobius forficatus, cut-away view). cc = canal cell, co = cornea, du = cuticular gland ductule, gc = secretory gland cell, igc = intermediary gland cell, ipc = interommatidial pigment cell (covering cell), om = ommatidium.
Figure 3 in Morphology of the arthrodial membrane gland in a Neotropical harvester (Arachnida: Opiliones)
Figure 3. Sagital sections through an arthrodial membrane of the coxa-trochanter articulation of a leg IV in a male harvester Mischonyx squalidus: (A) arthrodial membrane cuticle (AM) and cuticle (sclerite cuticle) (c); (B) arthrodial membrane and basal membrane of secretory cells; (C) secretory cells (sc) with glandular prismatic cells (black arrows), granules (gray arrows) and cuticular canals (cc) stained with hematoxylin and eosin. (bm) Basal membrane, (ci) cytoplasm, (Fo) folds, (n) nucleus.
Figure 5 in Morphology of the arthrodial membrane gland in a Neotropical harvester (Arachnida: Opiliones)
Figure 5. Interior of a prismatic cell in the arthrodial membrane of the coxa – trochanter articulation of a leg IV in a male harvester Mischonyx squalidus: (A) smooth endoplasmic reticulum (ser); (B) mitochondrion (circle) and granules (gray arrows).
Figure 1 in Morphology of the arthrodial membrane gland in a Neotropical harvester (Arachnida: Opiliones)
Figure 1. External morphology of a male harvester Mischonyx squalidus: (A) dorsal view. The anterior region is on the right, legs I, II and III were removed. The square shows the arthrodial membrane in the leg IV and the pore plate (pp); (B) regions with folds (Fo) and without folds; (B–D) show increasing zoom of the pore plate, a region without folds. Arrows show pores.
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