Hylesia olivenca
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Updated as per Lemaire's Hemileucinae 2002, February 2008; January 2009
Updated as per French Guiana Systematique, February 2008
Updated as per personal communication with Shirley Sekarajasingham (Explorama Lodge, nr Iquitos, Loreto, Peru, September 18, 2008); October 3, 2012
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Hylesia olivenca
Schaus, 1927
Hylesia olivenca male, Explorama Lodge, near Iquitos, Loreto, Peru,
September 18, 2008, courtesy of Shirley Sekarajasingham, id by Bill Oehlke.
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 olivenca
(wingspan: males: 39-48mm; females: 58-62mm) flies in
Brazil: Para, Amazonas;
Bolivia: La Paz;
Peru: Loreto? (SS), Huanuco, Pasco, Ayacucho,
Madre de Dios, Puno;
Ecuador: Napo,
Morona-Santiago, Zamora Chinchipe and probably Pastaza;
Surinam: Marowijne; and
French Guiana: Camopi,
Kaw, Cayenne, Regina,
Nancibo, Cacao, Coralie, Kourou, Sinnamary, Barrage Petit Saut,
probably Saint-Laurent-du-Maroni.
This species has been taken at elevations from 100m to 1800m.
The thorax is greyish-brown; the abdomen is dorsally dull orange.
The dark brown forewing is slightly elongate. The broad, straight am and pm lines are whitish with a purplish tinge.
There is a very prominent whitish apical spot. The discal spot is weak to indistinct.
Hylesia olivenca male, Claude Lemaire, on my home computer only.
FLIGHT TIMES AND PREFERRED FOOD PLANTS:
Larvae feed on
fruit trees, Populus, Pyrus, Quercus and Salix.
This species probably broods continuously on a three month cycle. If my identification at the top of th epage is correct, there is a September flight
in Loreto, Peru.
Hylesia olivenca female, Claude Lemaire, on my home computer only.
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.
EGGS, LARVAE, COCOONS AND PUPAE:
Eggs are deposited in
clusters on hostplant foliage.
Hylesia olivenca larvae are highly gregarious and have the
urticating spines typical of larvae from the Subfamily Hemileucinae.
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.
fruit trees
Populus.....
Pyrus
Quercus
Salix
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fruit trees
Poplar
Pear
Oak
Willow
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