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Thyatira Ochsenheimer
Type species: batis Linnaeus.
Synonyms: Strophia Meigen (type species batis); Calleida Sodoffsky
(unnecessary replacement name for Thyatira).
The rather simplified 'peach-blossom' pattern of the forewings
distinguishes the genus from related Thyatirini such as Horithyatira Matsumura.
The patches are large, set against a dark brown ground, and are apical,
subapical, basal, tornal and, on the dorsum, central.
The male genitalia are of simple, typically thyatirine form, the valves
relatively small with a spur on the ventral margin at the distal end of the
sacculus, the praesacculus of Werny (1966). The aedeagus has a strong, acute,
apical spur (Haken of Werny). The female genitalia are typical of the
Thyatirinae.
The larva of the type species, illustrated by Sugi (1987), is mottled
rich brown with five to six darker lateral patches, each edged obliquely
anteriorly by a fine white line that also extends along the curved dorsal border
of the patch. The host-plant is Rubus (Rosaceae).
The genus is widely distributed through the Palaearctic and the
mountains of the Oriental tropics (except Sulawesi). It also extends into the
New World to as far south as Peru.
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