Eustrotiini
Eustrotiini moths
Eustrotiini is a tribe of in the Boletobiinae, Erebidae. Members are small to medium-sized noctuoid moths with generally dull coloration. The tribe is primarily distributed in tropical and subtropical regions, with greatest diversity in the Old World tropics. Many exhibit cryptic forewing patterns that provide camouflage against bark or leaf litter.
Pronunciation
How to pronounce Eustrotiini: /juːstrəˈtiːɪnaɪ/
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Identification
Eustrotiini can be distinguished from related tribes in Boletobiinae by genitalic characters, particularly the structure of the male valvae and female bursa copulatrix. Forewings are typically narrow with slightly pointed apices. Hindwings are generally paler than forewings, often whitish or pale gray with faint discal spots. Labial palps are usually upturned and relatively short.
Distribution
Tropical and subtropical regions worldwide, with highest in the Oriental and Afrotropical regions. Present but less diverse in the Neotropics and Australasia.
Similar Taxa
- BolinaBolina is another tribe in Boletobiinae; Eustrotiini generally have more slender forewings and different genitalic structure, particularly the shape of the clasper in male genitalia.
- CatephiiniCatephiini (also Boletobiinae) often have more rounded forewing apices and hindwings with more pronounced venation; genitalic dissection is typically required for definitive separation.