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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 longhorn beetles (Cerambycidae), also known as long-horned or longicorns (whose larvae are often referred to as roundheaded borers), are a large family of beetles, with over 35,000 species described. [2] Most species are characterized by antennae as long as or longer than the beetle's body.
The harlequin beetle (Acrocinus longimanus) is a large and distinctly colored species of longhorn beetle from the Neotropics and the only member of the genus Acrocinus. [1]It is given its English name because of the elaborate pattern of black, orange-red and greenish-yellow markings in both sexes; [1] [2] despite this the beetle is quite well-camouflaged when perched on a lichen or fungus ...
The lethal dose for humans when ingested is 10 mg, or 0.5 mg/kg of a human's body weight. The main concern revolves around when the beetle is ingested by livestock, in particular horses. [11] The lethal dose for horses is 1 mg/kg. Iron cross blister beetles are known to be found in horses’ food, especially alfalfa.
Scarabiasis, or "beetle-disease", is a condition where beetles temporarily infest the digestive tract of other animals. It can also affect humans, and despite being a rare phenomenon, [1] it is the second most important insectal disease in humans after myiasis, which is caused by the larva of flies. The term is commonly used as a synonym of ...
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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]