Homalinotus coriaceus

Due to the damage H. coriaceus can inflict on coconut trees, it is considered a major pest in Brazil. Larvae will tunnel into the peduncles of the coconut tree, feeding on sap.^[3] Likewise, adults will often damage the flowers and fruit tissues.^[4] H. coriaceus has been estimated to have reduced coconut production in Brazil by around 50%.^[5]

Black coconut bunch weevils are black and range between 25 and 30 millimetres (0.98 and 1.18 in) long with a rostrum of approximately 8 millimetres (0.31 in),^[6][7] the mature larvae are white, curved, bigger than the adult-beetle with 40 to 50 millimetres (1.6 to 2.0 in) in length and display a rust-tinted head.^[8] The eggs laid on the floral peduncle are white, smooth, and elongated.^[7] This species has little to no sexual dimorphism, where females are a bit larger than males and have two subtle indentations on the pronotum.^[8]