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Thyropygus spirobolinae sp.
Reproduction and Development : Male and female millipedes may be attracted to each other through pheromones (chemical signals). The female is passive during mating. The male runs up her back and uses the adhesive leg pads he has developed to hang on to her. He twists his front end around so that their ventral surfaces meet. He must fix the female's position and then he can transfer a sperm package directly from his gonopods into her genital opening. This can take minutes or hours, and may be repeated several times. Sometimes mating is prolonged if another male is present. Some mating behaviours include drumming, touching or rubbing.
Spotted on Mar 3, 2009
Submitted on Oct 24, 2011
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