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11 results for “ovipositor structure”
FIGURES 50–53. Genital structures. 50–52, Ovipositor. 50. Caribeacarus armasi n in New species of New World Opilioacaridae (Acari: Parasitiformes) with the description of a new genus from the Caribbean region.
FIGURES 50–53. Genital structures. 50–52, Ovipositor. 50. Caribeacarus armasi n. sp., lateral view, evaginated (OSAL0008098); 51, C. armasi, frontal view, invaginated (OSAL0008104); 52, C. panamensis, invaginated (OSAL0007883). 53. Internal gland structure male Caribeacarus armasi (OSAL0008111). Arrows in 50–52: seta-like or unknown structures.
Supplementary material 1 from: Csader M, Mayer K, Betz O, Fischer S, Eggs B (2021) Ovipositor of the braconid wasp Habrobracon hebetor: structural and functional aspects. Journal of Hymenoptera Research 83: 73-99. https://doi.org/10.3897/jhr.83.64018
Video S1
Figure 8 from: Csader M, Mayer K, Betz O, Fischer S, Eggs B (2021) Ovipositor of the braconid wasp Habrobracon hebetor: structural and functional aspects. Journal of Hymenoptera Research 83: 73-99. https://doi.org/10.3897/jhr.83.64018
Figure 8 Functional lever model of 1st valvifer with both articulations and the beginning of the dorsal ramus of the 1st valvula (arrow) with the intervalvifer articulation acting as pivot point. c = anatomical inlever ; c' = effective (= mechanical) inlever; d = anatomic outlever; d` = effective (= mechanical) outlever; F(in protraction), F(in retraction) = Force input at the 1st valvifer; F(out protraction), F(out retraction) = Force output at the 1st valvifer that is transferred to the dorsal ramus of the 1st valvula. c' · F(in) = d' · F(out). Abbreviations: 1vf = 1st valvifer; dr1 = dorsal ramus of the 1st valvula; iar = interarticular ridge of the 1st valvifer; iva = intervalvifer articulationtva = tergo-valvifer articulation.
Supplementary material 2 from: Csader M, Mayer K, Betz O, Fischer S, Eggs B (2021) Ovipositor of the braconid wasp Habrobracon hebetor: structural and functional aspects. Journal of Hymenoptera Research 83: 73-99. https://doi.org/10.3897/jhr.83.64018
Video S2
Figure 7 from: Csader M, Mayer K, Betz O, Fischer S, Eggs B (2021) Ovipositor of the braconid wasp Habrobracon hebetor: structural and functional aspects. Journal of Hymenoptera Research 83: 73-99. https://doi.org/10.3897/jhr.83.64018
Figure 7 (previous page) SEM (a–d) and light microscopic (e–i) images of the ovipositor of Habrobracon hebetora overview of the ovipositor (lateral aspect; visible pore-like structures are presumably artefacts of detached trichomes) c 1st valvifer exhibiting the interarticular ridge and the hook-shaped lobe of the 2nd valvifer. The 1st valvifer is continuous with the dorsal rami of the 1st valvula and is articulated with the 2nd valvifer and the female T9 via the intervalvifer articulation and the tergo-valvifer articulation, respectively d sensillar patch of the 2nd valvifer (made visible by partly removal of the 1st valvifer) b, f sensillar patch of the 2nd valvifer e overview of the 2nd valvifer and female T9. The arrow shows the dorsal hump of the T9g tergo-valfiver articulation between the 1st valvifer and female T9h detail image of e. The laterally placed bulbs of the most proximal part of the 2nd valvula are articulated with the paired 2nd valvifers via the basal articulation i sensilla in a row at the dorsal margin of the 2nd valvifer. Abbreviations: 1vf =1st valvifer; 1vv = 1st valvula; 2vf = 2nd valvifer; 2vv = 2nd valvula; 3vv = 3rd valvula; ar9 = anterior ridge of T9; ba = basal articulation; blb = bulb; df2 = dorsal flange of 2nd valvifer; dm2 = dorsal margin of the 2nd valvifer; dr1 = dorsal ramus of the 1st valvula; ds = dorsal spike of the 2nd valvifer; hsl = hook-shaped lobe of the 2nd valvifer; iar = interarticular ridge of the 1st valvifer; iva = intervalvifer articulation; sp = sensillar patch of the 2nd valvifer; sr = sensillar row of the 2nd valvifer; pa = processus articularis; pm = processus musculares; T9 = female T9; trb = terebra; tva = tergo-valvifer articulation.
Figure 6 from: Csader M, Mayer K, Betz O, Fischer S, Eggs B (2021) Ovipositor of the braconid wasp Habrobracon hebetor: structural and functional aspects. Journal of Hymenoptera Research 83: 73-99. https://doi.org/10.3897/jhr.83.64018
Figure 6 SEM images of 3rd valvulae of Habrobracon hebetora the terebra is partially embraced by the 3rd valvulae b inner proximal surface of the 3rd valvulae with fine trichomes distally c outer surface of the 3rd valvulae, proximally exhibiting annulation caused by fine transverse furrows (arrow) d outer surface of the 3rd valvulae at the transition zone (arrow) between the distal longitudinal ridge to the proximal vertically folded surface at the region in which the 3rd valvulae expand e inner surface of the apex of a 3rd valvula covered by trichomes. Abbreviations: 3vv = 3rd valvula; trb = terebra; t = trichome.
Figure 4 from: Csader M, Mayer K, Betz O, Fischer S, Eggs B (2021) Ovipositor of the braconid wasp Habrobracon hebetor: structural and functional aspects. Journal of Hymenoptera Research 83: 73-99. https://doi.org/10.3897/jhr.83.64018
Figure 4 SEM images of the 1st valvulae of Habrobracon hebetora–c apex of 1st valvula with sawteeth (a lateral aspect b–c dorsal aspect). The aulaces are visible (b) d–e valvillus of 1st valvula (distal is right) f distally oriented scale-like structures on the lateral walls of the aulax g leaf-like ctenidia on the medial side of 1st valvula h 1st valvula with distally oriented ctenoid structures on its dorsal side (contact surface with the 2nd valvula) and ctenidia on its medial side (contact surface with the opposing 1st valvula building the egg canal in the distal part of the terebra). Abbreviations: 1vv = 1st valvula; au = aulax; ct = ctenidium; rcs = row of ctenoid structures; sc = scales; st = sawtooth; vl = valvillus.
Figure 3 from: Csader M, Mayer K, Betz O, Fischer S, Eggs B (2021) Ovipositor of the braconid wasp Habrobracon hebetor: structural and functional aspects. Journal of Hymenoptera Research 83: 73-99. https://doi.org/10.3897/jhr.83.64018
Figure 3 3D reconstruction of the basal part of the terebra of Habrobracon hebetor composed of the 2nd valvulae and the paired 1st valvulae, based on a semithin section series (600 nm thickness a lateroventral aspect b lateral aspect c dorsal aspect d ventral aspect). The duct of the venom gland enters dorsoproximally on the left side only. The two ligaments connect the 2nd valvula to the anterior parts of the 2nd valvifers (not visible in these images). The black circle (b) indicates the rotation axis of the basal articulation. The lines of the processus articularis and processus musculares (b) point to their presumed position according to the results of van Meer et al. (2020). The peak-like structure at the anterior end of the 2nd valvula (red arrow in a, b) is part of the processus musculares. There are two openings (black arrows in a, c) at the proximal side of the bulbs. The duct of the venom gland enters on the left side only. Abbreviations: 1vv = 1st valvula; 2vv = 2nd valvula; blb = bulb; ec = egg canal; lg = ligament; pa = processus articularis; pm = processus musculares; vd = duct of the venom gland.
Figure 5 from: Csader M, Mayer K, Betz O, Fischer S, Eggs B (2021) Ovipositor of the braconid wasp Habrobracon hebetor: structural and functional aspects. Journal of Hymenoptera Research 83: 73-99. https://doi.org/10.3897/jhr.83.64018
Figure 5 SEM images of the 2nd valvula of Habrobracon hebetora overview of the 2nd valvula (ventral aspect with the interlocked 1st valvulae removed) b proximal part of 2nd valvula featuring the bulbs c apex of 2nd valvula with the ending of the rhachises (arrow) and campaniform sensillae (medioventral aspect) d–e middle part of the 2nd valvula showing the rhachises and distally oriented ctenidia f sensilla at the apex of the 2nd valvula (detail image of c). Abbreviations: 2vv = 2nd valvula; blb = bulb; cs = campaniform sensilla; ct = ctenidia; rh = rhachis.
Figure 2 from: Csader M, Mayer K, Betz O, Fischer S, Eggs B (2021) Ovipositor of the braconid wasp Habrobracon hebetor: structural and functional aspects. Journal of Hymenoptera Research 83: 73-99. https://doi.org/10.3897/jhr.83.64018
Figure 2 (next page) Cross sections through the terebra of Habrobracon hebetor (from proximal to distal); schematic drawings of the 1st and 2nd valvula (a–i) based on the light microscopic images of the presented semithin sections (a'–i' 600 nm; stained with Stevenel's blue). The drawings are of the same size ratio. The 2nd valvulae possesses, in the proximal region, two lumina that merge into one in the most distal region (h–i). The bulbs (b) and the valvilli (g) are visible. The orange lines (in e, f) mark the position of the distally pointing ctenoid structures on the dorsal surfaces of the 1st valvulae, which are in close contact with the ventral surface of the 2nd valvula. The genital membrane connects the dorsal margins of the 2nd valvifers (b'–h') c fine cuticular structures arise from the dorsal and ventral parts of the 2nd valvula and define the lumina of the bulbs (arrow) h1 olistheter-like interlocking system connecting the medial surfaces of the apices of the paired 1st valvulae (arrow). Final segmented 3D reconstruction based on a semithin section series (600 nm thickness) a*–i* position of each single section marked on the final 3D reconstruction of the terebra. Abbreviations: 1vv = 1st valvula; 2vv = 2nd valvula; 3vv = 3rd valvula; au = aulax; blb = bulb; cr = longitudinal crack of 2nd valvula; ec = egg canal; fl1 = longitudinal flap of the 1st valvula; gm = genital membrane; igs = internal guiding structure; l1 = lumen of 1st valvula; l2 = lumen of 2nd valvula; lb = lumen of the bulb; lg = ligament; oth = olistheter; rh = rhachis; vd = duct of the venom gland; vl = valvillus.
Figure 1 from: Csader M, Mayer K, Betz O, Fischer S, Eggs B (2021) Ovipositor of the braconid wasp Habrobracon hebetor: structural and functional aspects. Journal of Hymenoptera Research 83: 73-99. https://doi.org/10.3897/jhr.83.64018
Figure 1 Habitus images of female Habrobracon hebetor: lateral (a) and ventral (b) ascpect. Schematic drawing of the ovipositor of H. hebetor (lateral view) based on the light microscopic and SEM images (c). Abbreviations: 1vf = 1st valvifer; 1vv = 1st valvula; 2vf = 2nd valvifer; 2vv = 2nd valvula; 3vv = 3rd valvula; ar9 = anterior ridge of T9; ba = basal articulation; blb = bulb; dr1 = dorsal ramus of the 1st valvula; hsl = hook-shaped lobe of the 2nd valvifer; iva = intervalvifer articulation; mb2 = median bridge of 2nd valvifers; sr = sensillar row of the 2nd valvifer, sp = sensillar patch of the 2nd valvifer; T9 = female T9; tva = tergo-valvifer articulation.
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