Hylesia scortina
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Updated as per Lemaire's Hemileucinae 2002, February, 2008
Updated as per personal communication with Larry Valentine (Itanhandu, Minas Gerais, Brazil, late June); June 2009
Updated as per personal communication with Ezequiel Osvaldo Nunez Bustos (Yacutinga Private Reserve, Misiones, Argentina, September 11, 2010); September 27, 2011
Updated as per personal communication with Larry Valentine (Itanhandu, Minas Gerais, Brazil, August 17, 2012; January 9, 2013); August 18, 2012; January 11, 2013
This page has been updated August 24, 2015, based on reference material for Argentina, sent to me by Ezequiel Bustos, as cited in a recent publication: NÚÑEZ: Catálogo preliminar de Saturniidae de Argentina TROP. LEPID. RES., 25(1): 22-33, 2015 31.
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Hylesia scortina
Draudt, 1929
Hylesia scortina male, Foz do Iguacu, Parana, Brazil, February 2004
courtesy of Tom Binter.
TAXONOMY:
Superfamily: Bombycoidea, Latreille, 1802
Family: Saturniidae, Boisduval, [1837] 1834
Subfamily: Hemileucinae, Grote & Robinson, 1866
Tribe: Hemileucinae, Grote & Robinson, 1866
Genus: Hylesia, Hubner, [1820]
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DISTRIBUTION:
Hylesia scortina
(wingspan: males: 33-51mm; females: 39-51mm) flies in
Brazil: Federal District;
Mato Grosso do Sul; Rio de Janeiro,
Sao Paulo, Santa Catarina, Parana (TB) and Minas Gerais (LV);
Paraguay:
Guaira
and probably ??
Paraguari,
Cordillera,
Caaguazu,
Caazapa,
Alto Parana and
Paraguari; and in
Argentina: Misiones (EONB).
Specimens usually fly at elevations between 600m and 1000m.
Both males and females have a white hindwing eyespot, narrowly
ringed with yellow or orange.
Hylesia scortina courtesy of Bernhard Wenczel. |
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Hylesia scortina male, Itanhandu, Minas Gerais, Brazil,
June 26, 2009,
courtesy of Larry Valentine.
Hylesia scortina male, Itanhandu, Minas Gerais, Brazil,
June 26, 2009,
courtesy of Larry Valentine.
FLIGHT TIMES AND PREFERRED FOOD PLANTS:
Larval hosts
are unknown.
This species probably broods continuously on a three month cycle.
Specimens are reported for January (LV) -April and for June (LV) -July-August (LV).
Ezequiel Osvaldo Nunez Bustos reports a September flight in Argentina: Misiones.
Hylesia scortina male, Yacutinga Private Reserve, Misiones, Argentina,
September 11, 2010, courtesy of Ezequiel Osvaldo Nunez Bustos.
Hylesia scortina male, Itanhandu, Minas Gerais, Brazil,
June 30, 2009,
courtesy of Larry Valentine.
Hylesia scortina female, Itanhandu, Minas Gerais, Brazil,
January 9, 2011,
courtesy of Larry Valentine.
ECLOSION, SCENTING AND MATING:
Females extend a scent gland from the tip of the abdomen,
and the night-flying males pick up and track the airbourne pheromone plume with their well-developed antennae.
Hylesia scortina male (verso), Itanhandu, Minas Gerais, Brazil,
June 26, 2009,
courtesy of Larry Valentine.
Hylesia scortina male (verso), Itanhandu, Minas Gerais, Brazil,
January 24, 2010,
courtesy of Larry Valentine.
Hylesia scortina male, Itanhandu, Minas Gerais, Brazil,
January 24, 2010,
courtesy of Larry Valentine.
Visit Hylesia scortina male, Itanhandu, Minas Gerais, Brazil, August 17, 2012,
Larry Valentine.
EGGS, LARVAE, COCOONS AND PUPAE:
Eggs are deposited in clusters
on hostplant foliage.
Hylesia scortina larvae are highly gregarious and have the
urticating spines typical of larvae from the Subfamily Hemileucinae.
They probably become more solitary as they mature.
Hylesia scortina fifth instar, April 18, 2009,
Itanhandu, Minas Gerais, Brazil, courtesy of Larry Valentine.
Hylesia scortina fifth instar, April 18, 2009,
Itanhandu, Minas Gerais, Brazil, courtesy of Larry Valentine.
Hylesia scortina cocoon, Itanhandu, Minas Gerais, Brazil,
June 26, 2009,
courtesy of Larry Valentine.
Larval Food Plants
It is hoped that this
alphabetical listing followed by the common name of the foodplant will
prove useful. The list is not exhaustive. Experimenting with closely
related foodplants is worthwhile.
Larry Valentine sent images of the hostplant, and I will ask Carlos Mielke if he can find someone to help with
identification.
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