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Adult insects range from roughly 12 to 36 mm (0.47 to 1.42 in), depending on the species. [5] They most commonly have an elongated head with a distinct narrowed 'neck', long legs, and prominent, segmented, tubular mouthparts, most commonly called the proboscis, but some authors use the term "rostrum".
Members of Ancyronyx superficially resemble spiders and are aquatic, hence their common name, "spider water beetles". They are typically very small, with an average body length (without legs) of 1 to 2 mm (0.039 to 0.079 in). They are characterized by extremely long legs (longer than the body length). [4]
The adult beetle can be 11 to 28 mm (0.43 to 1.10 in) long, and it has a W-shaped third stripe on the elytra. The antennae of both sexes are dark brown to black. The male's antennae are two-thirds its body length, and the female's are one-half. The legs are reddish brown.
Euchirinae is a subfamily of Scarabaeidae or scarab beetles in the superfamily Scarabaeoidea. [1] [2] [3] They are sometimes referred to as "long-armed scarabs" due to the elongated forelegs of the males. These long legs often have median and apical spines that are fixed in the male while females have a movable terminal spine. [4]
The adult is 12–14 mm (1/2-5/8") in length, [4] [page needed] and has fairly long legs. The mandibles give these attractive insects a ferocious appearance. While tiger beetles are voracious predators of small arthropods, they do not bite humans unless handled.
The species name longimanus is a Latin word that refers to the extremely long forelegs (manus) of the large males, which are longer than the beetle's entire body. [3] The head-and-body of this beetle measures 4.3 to 7.5 cm (1.7–3.0 in) long. [4] The size and unusual appearance of the harlequin beetle has made it popular among insect ...
Stenocara gracilipes is a species of beetle that is native to the Namib Desert in southern Africa. This is one of the most arid areas of the world, receiving only 1.4 centimetres (0.55 in) of rain per year. The beetle is able to survive by collecting water on its bumpy back surface from early morning fogs.
Up to 15 pairs of long legs are attached to the rigid body. Together with the antennae they give the centipede an appearance of being 75 to 100 mm (3 to 4 in) in length. [ 6 ] The delicate legs enable it to reach surprising speeds of up to 0.4 meters per second (1.3 ft/s) running across floors, up walls and along ceilings. [ 7 ]