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In simultaneous reciprocal mating, both slugs act as males and females at the same time. This manner of mating requires that the pair of genitalia be exactly opposed prior to copulation, a task made difficult in slugs as they have no sense of hearing and very limited vision. [8] Hence, they rely heavily on chemoception and contact sensation.
VD = vas deferens Head of a mating Helix pomatia showing the everted penis (P), and the dart sac (S) in the process of shooting a love dart (D). Head of Helix pomatia after mating with everted vagina (V) and penis (P). Pulmonate land gastropods are simultaneous hermaphrodites and their reproductive system is complex. It is all completely ...
"Mating behaviour clarifies the taxonomy of slug species defined by genital anatomy: the Deroceras rodnae complex in the Sächsische Schweiz and elsewhere". Mollusca. 27: 183–200. Reise, H. (1995). "Mating behaviour of Deroceras rodnae Grossu & Lupu, 1965 and D. praecox Wiktor, 1996 (Pulmonata: Agriolimacidae)". Journal of Molluscan Studies.
Deroceras invadens is a species of air-breathing land slug, a terrestrial pulmonate gastropod mollusc in the family Agriolimacidae. Until 2011, this widely distributed species was known as Deroceras panormitanum, and earlier as Deroceras caruanae or Agriolimax caruanae, but Reise et al. (2011) [2] showed that these names refer to a distinct species of similar external appearance known at that ...
Banana slugs are hermaphroditic, meaning they are both male and female at the same time. [3] During reproduction, Ariolimax buttoni engages in apophallation - the behavior in which a slug chews off its mating partner's penis. [5] Their mating season is very long, lasting from February to early September. In addition, the copulation itself is long.
Like other terrestrial slugs, the black slug is a hermaphrodite, preferring to find a mate—often several—but can self-fertilize. After mating, the black slug seeks a dark, moist environment such as beneath mosses—occasionally within topsoil—to lay its eggs about 5 mm (0.20 in) in diameter.
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Apophallation is the biting off of the penis, known to occur in terrestrial slugs, which are hermaphroditic gastropod mollusks. It has been reported in some species of banana slugs, Ariolimax, and in the distantly related Deroceras laeve. [1] [2] In the mating of banana slugs, the penis is inserted into the body of the partner.