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FINE STRUCTURE OF MALE GENITAL SYSTEM AND SPERM IN SOLIFUGAE DOES NOT SUPPORT A SISTER-GROUP RELATIONSHIP WITH PSEUDOSCORPIONES (ARACHNIDA)
Abstract Comparative spermatology may provide characteristics that can be useful in systematics. Previous observations on sperm structure of the solifugid Eusimonia mirabilis revealed that the mostExpand
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Female control of mating sequences in the mountain scorpion Zabius fuscus: males do not use coercion as a response to unreceptive females
Some current interpretations of male–female sexual interactions have implied that males can control female mating decisions. Here we analysed the main characteristics of female sexual receptivity ofExpand
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Copulatory dialogue: female spiders sing during copulation to influence male genitalic movements
Female behaviour during copulation that could function as communication with the male is probably more common than previously appreciated, but its functional significance remains little studied.Expand
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Behavioral roles of the sexually dimorphic structures in the male harvestman, Phalangium opilio (Opiliones, Phalangiidae)
Abstract: In various animal species, male sexual dimorphic characters may be used during intrasexual contests as ornaments to attract females, or to hold them before, during, or after copulation. InExpand
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Funnel-web construction and estimated immune costs in Aglaoctenus lagotis (Araneae: Lycosidae)
Abstract Constructing webs for survival is rare in wolf spiders. However, some species, postulated as basal in the family, live in funnel-webs. Aglaoctenus lagotis (Holmberg 1876), a South AmericanExpand
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Cryptic female choice via sperm dumping favours male copulatory courtship in a spider
Males of many animals perform ‘copulatory courtship’ during copulation, but the possible reproductive significance of this behaviour has seldom been investigated. In some animals, including theExpand
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Male Burrow Digging in a Sex Role-Reversed Spider Inhabiting Water-Margin Environments
Allocosa brasiliensis is a sex role-reversed wolf spider that inhabits sandy water-margin environments. Males are larger than females and they dig deep burrows, whereas females construct shallow silkExpand
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Functional morphology of spermatophores and female genitalia in bothriurid scorpions: genital courtship, coercion and other possible mechanisms
Scorpions use sclerotized spermatophores for sperm transfer. The family Bothriuridae has one of the most complex scorpion spermatophores, with a distinct capsule and lamella. This study evaluates theExpand
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The anatomy and ultrastructure of the suctorial organ of Solifugae (Arachnida).
Solifugae possess an evertable, adhesive pedipalpal organ (suctorial organ) at the tip of the distal tarsus of each pedipalp that is unique among arachnids. When inverted inside the pedipalp, theExpand
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