
Bastilla hamatilis
Common NameBastilla hamatilis
Scientific NameBastilla hamatilis
FamilyErebidae
SubfamilyErebinae
Wingspan (mm)55
Wing Patterncryptic
Primary Colorsdark brown, reddish-brown
HabitatTropical and subtropical forests, woodlands, disturbed areas
Geographic RangeSoutheast Asia (India, Sri Lanka, Myanmar, Thailand, Malaysia, Indonesia, Philippines)
Host PlantsEuphorbiaceae (e.g., Ricinus communis)
Flight PeriodYear-round in tropical climates
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLike most moths, it undergoes complete metamorphosis: egg, larva (caterpillar), pupa, and adult. Larvae feed on host plants, and pupation typically occurs in a cocoon.
Identification TipsLook for the overall cryptic dark brown coloration, the broad, somewhat triangular forewings with a slightly pointed apex, and the subtle pattern of faint transverse lines and a small pale discal spot.
Description
A medium-sized, robust moth with broad, triangular forewings that are mottled dark brown to reddish-brown. Faint darker transverse lines and a small, pale discal spot are visible on each forewing.





