wing spot accessory sector pale Fig 17 Abbr: ASP in ISBN:0-937548-00-6. TGMA:0000322 TGMA:0000322 The group of pale scales sometimes occurring on the radius at or just distad of the splitting of radius-one and the radial sector and usually separated by a dark spot from the sector pale. accessory sector nodal point accessory sector spot accessory sectoral pale default_namespace median spot