Stag beetle

 

The Life of Animals | Stag beetle | The English name is derived from the large and prominent lower jaw found the males of many species, which resemble the antlers. Pliny the Elder noted that Nig. Appointed kite Lucanus after the Italian region of Lucania where they were used as amulets The scientific name of Lucanus cervus is this word, the more cervus, deer.

Stag beetles women are generally smaller than males, with smaller mandibles. In the final stage larval, "L3", may be the larvae of larger species, such as Prosopocoilus giraffe, the size of a human finger. Lucanidae express male-specific "traits Arms" (horn size) often show variations in size between the individual scale ratio males.This known or static allometry.

1994 Lucanid beetles in the world. Mushi-sha, Tokyo. Didier Robert Eugene Seguy: 337 S. very useful work on the catalog lucanides world illustré in Encyclopédie Entomologique (1-223 Series A 27).

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Titan Beetle

The Life of Animals | Titan Beetle | Adults can be up to 6.5 inches (16.7 cm) long. Of all known bugs, is the Hercules beetle Dynastes hercules, can sometimes grow into those huge males to 7 inches (more than 17.5 cm) longer than the Titan, but the Hercules beetle males have a huge horn on the pronotum and thorax make up about half its total length. As such, the body of the beetle titanium is substantially greater than that of the Hercules beetle. In it, an adult specimen of American entomologist, the late Frank Hovore found and returned to Oxford University. A famous "life-size" photo of a supposed larva of the beetle, which appeared in the magazine National Geographic, a whole page to fill, but it was cervicornis from another kind of bug, possibly Macrodontia. The adults defend themselves by hissing in warning, and have sharp spines and strong jaws.