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55 results for “spermatophore”
FIGURE 1 in On spermatophore-producing aquatic microdrile oligochaetes (Annelida: Clitellata)
FIGURE 1. Spermatophores in several clitellates. A. Bothrioneurum vejdovskyanum (from Timm's collection S-1102). B. Paranadrilus descolei (from Marchese's collection). C. Uktena riparia (Fend's collection). D. Aktedrilus labeosus (NMNH 59663), ventral side of segment XII. E–F. Spermatophores in the lumbricid Eisenia fetida, small mucous disc containing sperm (E), and detail after dissection (F). G–I. Spermatophores in the leech Helobdella spp., extruded from the male pore (G,H), and detail showing the double-tube structure of the spermatophore (I), corresponding to the paired atrial cornua. Abbreviation: sph spermatophore, s sperm.
Figure 4 in Evolution of spermatophore transfer mechanisms in cephalopods
Figure 4. Spermatophore-related characters parsimonious optimization using different hypothesis for the internal relationships of Decapodiformes. Character states are traced and indicated by shape and colour codes; coloured branches (and coloured boxes to the left of taxon names) refer to the spermatophore attachment type, and coloured symbols to the remaining characters. Presence of more than one colour in branches or rectangles, and the presence of a question mark both indicate equivocal character states. (A) Tree according to the maximum likelihood analysis of Lindgren (2008); (B) tree according to the Bayesian analysis of Lindgren (2010).
Figure 3 in Evolution of spermatophore transfer mechanisms in cephalopods
Figure 3. Spermatophore-related characters parsimonious optimization using different hypotheses for the internal relationships of Coleoidea. Character states are traced and indicated by shape and colour codes; coloured branches (and coloured boxes to the left of taxon names) refer to the spermatophore attachment type, and coloured symbols to the remaining characters. Presence of more than one colour in branches or rectangles, and the presence of a question mark both indicate equivocal character states. Cycloteuthidae 1 and 2 refers to the genera Cycloteuthis and Discoteuthis, respectively. (A) Tree according to the maximum likelihood analysis of Lindgren et al. (2012); (B) tree according to the Bayesian analysis of Strugnell and Nishiguchi (2007).
Figure 1 in Evolution of spermatophore transfer mechanisms in cephalopods
Figure 1. Types of spermatophore attachment in coleoids. (A) Deep implantation (elongated spermatangium; e.g. Architeuthidae, Cranchiidae); (B) deep implantation (bulbous spermatangium; e.g. Octopoteuthidae, Sepiolidae); (C) shallow implantation (e.g. Loliginidae, Ommastrephidae, Enoploteuthidae); (D) plugged attachment (e.g. incirrate octopods). Abbreviations: ft, female tissue; ov, oviducal gland; sp, spermatangium.
FIGURE 37. Spermatophores. SEM. A, B. Elisolimax flavescens, NMSA L5563. C, D in A morphological phylogenetic analysis and generic revision of Australian Helicarionidae (Gastropoda: Pulmonata: Stylommatophora), and an assessment of the relationships of the family 2462
FIGURE 37. Spermatophores. SEM. A, B. Elisolimax flavescens, NMSA L5563. C, D. Macrochlamys petrosa, AM C205305. E, F. Orpiella concavum, BMNH no registration number. Scale bars 0.2 mm (D, F), 0.5 mm (B), 1 mm (A, C, E).
FIGURE 14. Spermatophores. SEM. A, B in A morphological phylogenetic analysis and generic revision of Australian Helicarionidae (Gastropoda: Pulmonata: Stylommatophora), and an assessment of the relationships of the family 2462
FIGURE 14. Spermatophores. SEM. A, B. Helicarion cuvieri, AM C424333. C. Helicarion mastersi, AM C334204. D. Brevisentis jacksoniensis, AM C205293. E, F. Eungarion mcdonaldi, AM C438760. G, H. Nitor wiangariensis, AM C334361. Scale bars 0.1 mm (F), 0.2 mm (H), 0.5 mm (B, C, G), 1 mm (A, D, E).
FIGURE 23. Spermatophores. SEM. A, B in A morphological phylogenetic analysis and generic revision of Australian Helicarionidae (Gastropoda: Pulmonata: Stylommatophora), and an assessment of the relationships of the family 2462
FIGURE 23. Spermatophores. SEM. A, B. Nitor subrugata, AM C334537. C. Expocystis rustica, AM C425540. D. Ctenophila caldwelli, AM C205301. E, F. New Caledonian species NC5, MNHN no registration number. G, H. Kalidos balstoni, AM C205303. Scale bars 0.2 mm (B, F, H), 0.5 mm (C, E), 1 mm (A, D, G).
FIGURE 5 in Fine Structure Of The Male Genital Systems, Spermatophores And Unusual Sperm Cells Of Saxidromidae (Acari, Actinotrichida)
FIGURE 5: See next page
Data from: Impact of male condition on his spermatophore and consequences for female reproductive performance in the Glanville fritillary butterfly
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Data from: Small spermatophore size and reduced female fitness in an isolated butterfly population
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Spermatophore retention may accommodate sexual signal loss in pacific field crickets
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Fig. 56. A in Spermatophores and Spermatophore Producing Internal Organs of Cleridae (Coleoptera: Clerinae): their Biological and Phylogenetic Implications
Fig. 56. A hypothesis of paleogeographic dispersal of progenitors of spermatophoral Clerinae.
Fig. 55 in Spermatophores and Spermatophore Producing Internal Organs of Cleridae (Coleoptera: Clerinae): their Biological and Phylogenetic Implications
Fig. 55. General modern distribution of known spermatophoral genera of Clerinae.
Data from: Evaluating female remating rates in light of spermatophore degradation in Heliconius butterflies: pupal-mating monandry versus adult-mating polyandry
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Figs. 7–15. Male reproductive organs. 7 in Spermatophores and Spermatophore Producing Internal Organs of Cleridae (Coleoptera: Clerinae): their Biological and Phylogenetic Implications
Figs. 7–15. Male reproductive organs. 7) Phlogistus imperialis (Gorham), spermatophore gland; 8) Phlogistomorpha croesus (Blackburn); 9–11) Trogodendron rufipes Elston; 10) seminal vesicle; 11) spermatophore gland; 12) Zenithicola funestus Chevrolat; 13–14) Scrobiger splendidus (Newman); 14) spermatophore gland; 15) Phlogistus imperialis (Gorham), spermatophore gland.
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