Care Guide: Lucanus elaphus (Giant Stag Beetle)

Care Guide: Lucanus elaphus (Giant Stag Beetle)

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Introduction: Lucanus elaphus, commonly known as the Giant Stag Beetle, is a remarkable insect species and holds the distinction of being the largest beetle in Canada. With their impressive size and striking appearance, Giant Stag Beetles are captivating creatures to observe and care for. This in-depth care guide will provide you with comprehensive information on housing, food, breeding, and the natural characteristics of Lucanus elaphus.

Habitat and Housing:

Enclosure: Giant Stag Beetles require a spacious enclosure that replicates their natural habitat. Opt for a terrarium with ample space, ensuring it is well-ventilated and secure to prevent escapes. A glass or plastic terrarium with a secure lid is suitable for housing an individual or a pair of Giant Stag Beetles.

Substrate: Provide a substrate that allows for burrowing and mimics the forest floor. A combination of organic materials like rotting wood, leaf litter, and soil works well. The depth of the substrate should be around 4-6 inches (10-15 cm).

Moisture and Humidity: Giant Stag Beetles prefer a moderately humid environment. Spray the enclosure with dechlorinated water to maintain humidity levels. Ensure the substrate remains moist but not overly wet.

Temperature: Giant Stag Beetles thrive at room temperature, around 70-80°F (21-27°C). Avoid exposing them to extreme temperature fluctuations or drafts.

Hiding Places: Provide various hiding spots, such as bark pieces, cork bark, or hollow logs. These hiding places simulate the natural environment and offer the beetles a sense of security.

Feeding and Diet:

Diet: Giant Stag Beetles are primarily attracted to decaying wood. Offer hardwood logs, such as oak or maple, as their main food source. The wood should be moist to facilitate feeding.

Supplemental Food: You can supplement their diet with protein-rich foods like beetle jelly, mashed fruits, or commercial insect diets. These additions provide variety and ensure proper nutrition.

Feeding Schedule: Place fresh food in the enclosure every few days, removing any uneaten portions promptly to prevent mold or bacterial growth. Monitor the condition of the wood, replacing it when it becomes overly decayed.

Breeding:

Mating Behavior: Male Giant Stag Beetles use their large mandibles to compete for mating rights with females. Females release pheromones to attract males for mating. Introduce a male and female in the same enclosure for breeding purposes.

Egg Laying: After mating, the female will search for suitable decaying wood to lay her eggs. Provide sections of rotting hardwood for her to choose from. She will deposit the eggs within the wood.

Incubation Period: The incubation period for Giant Stag Beetle eggs can vary but typically lasts several weeks to a few months. Maintain appropriate moisture levels in the wood substrate and ensure a suitable temperature range for successful development.

Larval Care: Once the eggs hatch, the larvae will feed on the decaying wood within the substrate. Allow the larvae to develop undisturbed through their various larval stages, known as instars. Provide additional rotting wood as they grow to accommodate their dietary needs.