247a (246a). Fore wing with blunt discal cell; veins R-2 and Cu arising from
the end of discal
cell (Fig.240b-A) (also see couplet 14)............................................(Lepidoptera) Blastobasidae
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A
247b. Fore wing without stigma; vein R-2 arising distinctly before
end of discal cell (Fig.A)
(also see couplet 246).....……….............................................................(Lepidoptera) Cosmopterigidae
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A