Which British beetle is recognised by its large mandibles?
Stag beetle Stag beetle Stag beetles are a group of about 1,200 species of beetles in the family Lucanidae, presently classified in four subfamilies. Some species grow to over , but most are about . 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 United Kingdom) as "the" stag beetle (it is the largest terrestrial insect in Europe). Pliny the Elder noted that Nigidius called the stag beetle "lucanus" after
Huhu beetle sexes will show a display behaviour if disturbed with the head jutting forward, mandibles opening to their full extent, antennae flailing and the head being raised and lowered. High intensity displays between individuals may lead to combat with preliminary grappling occurring with fore legs which usually results in an individual being thrown onto its back. Any object coming into contact with the mandibles is seized frequently resulting in the loss of appendages. The larvae of "P. reticularis" are edible and their flavour has been described as like buttery chicken. Huhu beetle The huhu beetle ("Prionoplus reticularis"), is a longhorn beetle