The Erebinae are a subfamily of moths in the family Erebidae erected by William Elford Leach in 1815. Erebine moths are found on all continents except Antarctica, but reach their greatest diversity in the tropics. While the exact number of species belonging to the Erebinae is not known, the subfamily is estimated to include around 10,000 species. Some well-known Erebinae include underwing moths (Catocala) and witch moths (Thermesiini). Many of the species in the subfamily have medium to large wingspans (7 to 10 cm, 3 to 4 inches), up to nearly 30 cm in the white witch moth (Thys
The Erebinae are a subfamily of moths in the family Erebidae erected by William Elford Leach in 1815. Erebine moths are found on all continents except Antarctica, but reach their greatest diversity in the tropics. While the exact number of species belonging to the Erebinae is not known, the subfamily is estimated to include around 10,000 species. Some well-known Erebinae include underwing moths (Catocala) and witch moths (Thermesiini). Many of the species in the subfamily have medium to large wingspans (7 to 10 cm, 3 to 4 inches), up to nearly 30 cm in the white witch moth (Thysania agrippina), which has the widest wingspan of all Lepidoptera. Erebine caterpillars feed on a broad range of plants; many species feed on grasses and legumes, and a few are pests of castor bean, sugarcane, rice, as well as pistachios and blackberries.
== Morphology == Erebine moths possess a number of adaptations for predator defense. Most Erebinae, such as Zale have mottled, drably colored forewings and hindwings to better blend in with grass and tree trunks. In some Erebinae, such as Catocala, cryptically colored forewings conceal brightly colored hindwings which are suddenly revealed when the moth is disturbed from rest. The sudden exposure of these bright colors is thought to startle vertebrate predators, giving the moths extra time to escape. Like other Noctuoidea, erebine moths can detect the calls of echolocating bats or other approaching predators using hearing organs (tympana), which are among the most sensitive in the superfamily.
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