GENUS. HELEONA, _Swains._ (_Zool. Illust. N. Ser._ 116.) Gymnautocera?
_Guérin._ (_Mag. d'Entomol. t._ 12)
HELEONA PAPILIONARIS. Alis albido-flavis; margine venisque dilatatis,
ramosis, nigris et versus medium coalitis, maculas albas efformantibus.
(Expans. Alar. 3 unc. 3 lin.)
SYN. Phalæna (Noctua) Papilionaris, _Drury_, _App. vol._ 2. _Cramer_,
_t._ 29. _fig._ A.
Phalæna venaria, _Fabr. Ent. Syst._ III. 2. _p._ 156. _No._ 96. _Gmel.
Linn. S. N._ 2470. _No._ 701.
HABITAT: China (_Drury_). "In Indis" (_Fabr._).
_Upper Side._ Antennæ dark blue and pectinated. Tongue spiral. Head,
neck, and thorax dark mazarine blue, spotted with white. Abdomen deep
blue, with six white rings. Wings black, covered with a number of streaks
and spots of a dusky brimstone; those nearest the body being much longer
than those next the external edges; where eight of them form a kind of
border on each wing, and are all placed on the membranous parts between
the nerves. Margins of the wings entire.
_Under Side._ Breast and sides blue. Legs blue and white. Anterior wings
with the anterior edges fine mazarine blue. The remaining parts of all
the wings are exactly the same as on the upper side.