Lagocheirus araneiformis is a species of longhorn beetle of the subfamily Lamiinae. It was described by Carl Linnaeus in his 1767 12th edition of Systema Naturae.
Lagocheirus araneiformis can reach a length of 20–28 millimetres (0.79–1.10 in). The basic coloration of these longhorn beetles is grey brown. They are considered a pest of cassava (Manihot esculenta) and sugar cane (Saccharum species).