Behavior
Orthalicus reses reses snails are active mainly during the wet season, i.e. May through November, during which time breeding, feeding, and dispersal takes place. Dry periods (December through April) are spent in aestivation, during which time the snail forms a tight sealed barrier between the aperture and a tree trunk or branch. Snails secrete this mucus seal (an epiphragm) that cements their shell to a tree in order to protect them from desiccation during the dry period. Snails may come out of aestivation briefly to feed during dry-season rains, and also may go into aestivation during summer dry spells.
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