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A Big-headed Ground Beetle with a mealworm, which it would later eat. They're willing to eat a variety of invertebrates. Scarites subterraneus, known generally as the big-headed ground beetle or (tunneling large) pedunculate ground beetle, is a species of ground beetle in the family Carabidae.
It is a long-bodied, black beetle. At about 20–32 mm (13 ⁄ 16 – 1 + 1 ⁄ 4 in), [12] [13] it is one of the larger British beetles. Its wing covers are short, covering only its thorax, exposing the abdominal segments. The abdominal musculature is powerful and the abdominal segments are covered with sclerotized plates.
Scarites is a genus of ground beetle native to the Palearctic, the Near East, North America and North Africa, India. There are more than 190 described species in Scarites with more than 55 described species from India. [1] These beetles share physical characteristics of the more tropical stag beetles, but are not closely related.
Earwigs are characterized by the cerci, or the pair of forceps-like pincers on their abdomen; male earwigs generally have more curved pincers than females. These pincers are used to capture prey, defend themselves and fold their wings under the short tegmina. [14] The antennae are thread-like with at least 10 segments. [7]: 738–739
Beetles have mouthparts like those of grasshoppers. The mandibles appear as large pincers on the front of some beetles. The mandibles are a pair of hard, often tooth-like structures that move horizontally to grasp, crush, or cut food or enemies (see defence, below). Two pairs of finger-like appendages, the maxillary and labial palpi, are found ...
The English name is derived from the large and distinctive mandibles found on the males of most species, which resemble the antlers of stags.. A well-known species in much of Europe is Lucanus cervus, referred to in some European countries (including the United Kingdom) as the stag beetle; it is the largest terrestrial insect in Europe.
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The European stag beetle is the largest beetle in Europe. [4] Their colour is usually black with reddish elytra (and red mandibles in males). Sexually dimorphic, the males have enlarged mandibles and are larger than the females. Although the male's mandibles seem threatening, they are too weak to be harmful.