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Fig. 2 | BMC Evolutionary Biology

Fig. 2

From: Coevolution of female and male genital components to avoid genital size mismatches in sexually dimorphic spiders

Fig. 2

Measured genital parameters. a female epigynum, ventral view (Nephilengys malabarensis); b-c female internal genital tract (Herennia multipuncta) in dorsal (b) and ectal view (c); d male palp, ectal view (Nephila fenestrata); e male palp, apical view (Clitaetra clathrata); f male palp, mesal view (Nephila constricta); g expanded and rotated male palp (Nephila fenestrata). All scales = 0.1 mm. Abbreviations: 1 = Reproductive area width; 2 = Epigynal area width; 3 = Distance between copulatory openings; 4 = Copulatory opening width; 5 = Epigynal area length; 6 = Reproductive area length; 7 = Spermatheca height; 8 = Spermatheca width; 9 = Spermatheca length; 10 = Copulatory duct width; 11 = Copulatory duct length; 12 = Pedipalp bulb height; 13 = Pedipalp bulb length; 14 = Pedipalp bulb width; 15 = Embolic conductor length; 16 = Embolus width; CD = Copulatory duct, CO = Copulatory opening; S = Spermatheca

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