Plate XIII. fig. 4.
ORDER: Lepidoptera. SECTION: Nocturna. FAMILY: Noctuidæ, _Stephens_.
GENUS. TRIPHÆNA, _Ochs. Treit. Steph._ Phalæna (Noctua), _Linn. Drury_.
TRIPHÆNA MATERNA. Alis anticis grisescentibus aut luteis, fusco irroratis
et undulatis, posticis fulvis, maculâ margineque (albo punctato) atris.
SYN. Phalæna (Noctua) Materna, _Linn. Syst. Nat._ II. 840. 117. _Drury_,
_App. vol._ 2.
Noctua Materna, _Fabr. Ent. Syst._ III. 2. _p._ 16. _No._ 27. _Gmel.
Linn. S. N._ 2533. 117. _Oliv. Enc. Méth._ 8. 259. 39.
Noctua hybrida, _Fabr. Ent. Syst._ 593. 11.
HABITAT: Bengal.
_Upper Side._ Antennæ setaceous. Tongue spiral. Palpi yellow, blue at the
tips. Head tinged with blue. Thorax olive. Abdomen yellow. Anterior wings
light brown and shining; appearing of several colours according to the
position they are held in. Posterior wings yellow, with a round black
central spot. Margins black, beginning at the middle of the anterior
edges, and ending at the abdominal corners where the margin is narrowest;
having eight small white spots thereon, placed on the external edges.
_Under Side._ Thorax, abdomen, and sides yellowish ash-coloured. Anterior
wings yellow; tips brown, and separated from the yellow by a black streak
running from the lower corner to the anterior edge. Posterior wings
coloured as on the upper side; the black margin being rather fainter.
Margins of the wings dentated.