Plagiometriona tenella (Klug, 1829)
Cassida tenella Klug, 1829: 8 (LT!, PLT! in ZMHU!).
Coptocycla tenella Boheman, 1855: 354, 1856: 185, 1862: 453; Gemminger and Harold, 1876: 3674.
Metriona (Metriona) tenella: Spaeth, 1914 g: 137; Tenebaum, 1927: 37; Buzzi, 1988: 575 (biology), 1994: 209 (host plant).
Plagiometriona (Parametriona) tenella: Spaeth, 1937 b: 144.
Metriona tenella: Frers, 1923: 256 (imm. stages); Blackwelder, 1946: 753.
Plagiometriona tenella: Borowiec, 1996 a: 221, 1999 d: 410, 2002 a: 113, 2009 f: 699.
Coptocycla graminis Burmeister, 1870: 281 (TE in ?); Gemminger and Harold, 1876: 3670; Spaeth, 1914 g: 137 (as syn.)
Host plant: Solanaceae: Physalis viscosa (Frers, 1923); ?Convolvulaceae: Ipomoea batatas (Silva et al., 1968).
Distr.: tenella: Süd-Brasilien; graminis: Tucumanae et in agro Bonaërensi. Argentina: Buenos Aires, Cordoba, Entre Rios, Jujuy, Misiones, Salta, Tucuman; Brazil: Paraná, Rio Grande do Sul, Santa Catarina; Paraguay: Asuncion, Paraguari, Presidente Hayes, Puerto P. Stroessner, S. Antonio, Villarica.
figure: habitus in colour
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