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The Goliath beetles (named after the biblical giant Goliath) are any of the six species in the genus Goliathus. Goliath beetles are among the largest insects on Earth, if measured in terms of size, bulk and weight. [1] [2] They are members of subfamily Cetoniinae, within the family Scarabaeidae. [1]
The highest confirmed weight of an adult insect is 71 g (2.5 oz) for a gravid female giant weta, Deinacrida heteracantha, [2] although it is likely one of the elephant beetles, Megasoma elephas and Megasoma actaeon, or goliath beetles, both of which can commonly exceed 50 g (1.8 oz) and 10 cm (3.9 in), can reach a greater weight.
Male Hercules beetles may reach up to 173 mm (7 in) in length (including the horn), making them the longest species of beetle in the world, if jaws and/or horns are included in the measurement. [3] [6] The size of the horn is naturally variable, more so than any variation of the size of legs, wings, or overall body size in the species. This ...
Measurements of insect length normally exclude legs, jaws, or horns, but if jaws are included, the longest known specimen of M. cervicornis is 17.7 cm; the longest known specimen of Dynastes hercules, a beetle species with enormous horns, is 17.5 cm, [2] [3] and the longest known beetle excluding either jaws or horns is Titanus giganteus, at 16 ...
The size of the horn is a good indicator of nutrition and physical health. [5] The body of an adult rhinoceros beetle is covered by a thick exoskeleton. A pair of thick wings lie atop another set of membranous wings underneath, allowing the rhinoceros beetle to fly, although not very efficiently owing to its large size.
The titan beetle (Titanus giganteus) is a Neotropical longhorn beetle, the sole species in the genus Titanus, and one of the largest known beetles, as well as one of the largest known insects, at over 170 mm (6.7 in) in length. Adult titan beetles only live for a few weeks, and protect themselves from predators with their sharp spines and ...
Heliocopris includes some of the world's largest dung beetles (their size only rivalled by certain Catharsius and Coprophanaeus), with H. anderson, H. colossus, H. dilloni, H. dominus, H. gigas and H. tyrannus reaching up to about 7 cm (2.8 in) long, although a more typical size for the members of this genus is 3–5 cm (1.2–2.0 in). [6]
Euchroma giganteum is one of the largest of the buprestid beetles (hence the Latin name "giganteum" of the species), reaching a length of about 50–80 millimetres (2.0–3.1 in). [ 6 ] Catoxantha and Megaloxantha are among the few other members of the family that reach a comparable size.