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Digital Guide to Moth Identification

990493.0019493Lymantria postalba Inoue, 1956
Distribution Data for Lymantria postalba
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Distribution: Japan, including islands of Ishigaki, Tsushima, and Yakushima, and the Ryuku Islands (2)
Seasonality
and Size:
Eggs hatch in April, with adults appearing mid-June (2). Forewing length ranges 21-277mm in males, and 34-36mm in females.
Larva and
Host Plants:
Not much is documented on larval morphology, Pogue and Schaefer (2007) say it is “unknown”. A possible foodplant is a palm species, Livistonia subglobosa, although the illustration of this foodplant is associated with a drawing for “L. dispar” but authors Pogue and Schaefer (2007) suggest the “adults illustrated clearly represent this L. postalba”.
Similar Species:
  • Males distinguishable from L. albescens by forewing length (>30mm in L. albescens) (2). Forewing ground color is brown in L. postalba males, and “white or white suffused with gray” in L. albescens (2). Genitalic illustrations provided by Mike Pogue, from Pogue and Schaefer (2007)
  • Pinned specimens of related species. (Hint: select View by Region on the related species page.)
Synonymy: L. dispar postalba Inoue, 1956
L. dispar tsushimensis Inoue, 1956
L. albescens postalba Schinlmeister, 2004
L. albescens tsushimensis Schintlmeister, 2004
Photographs are needed for this species.

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