Hidripa taglia
Updated as per Lemaire's Hemileucinae 2002, January 2, 2005
Corrected as per personal communication with Carlos Mielke, April 9, 2007
Updated as per personal communication with Ryan Saint Laurent (Cornell University Collection; Guarani, Rio Grande do Sul, Brazil); June 16, 2013

Hidripa taglia
(Schaus, 1896) Dirphia

Hidripa taglia male, 51mm, Guarani, Rio Grande do Sul, Brazil,
Cornell University Collection, courtesy of Ryan Saint Laurent.

TAXONOMY:

Superfamily: Bombycoidea, Latreille, 1802
Family: Saturniidae, Boisduval, [1837] 1834
Subfamily: Hemileucinae, Grote & Robinson, 1866
Tribe: Hemileucinae, Grote & Robinson, 1866
Genus: Hidripa, Draudt, 1929

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DISTRIBUTION:

The Hidripa taglia moth (wingspan: males: 51(RSL)-53-63mm; females: 74mm) flies in
southeastern Brazil: Sao Paulo, Santa Catarina and Parana (CM) and Rio Grande do Sul (RSL); and in
Argentina: Misiones; and in
southeastern Paraguay: Caaguazu, Alto Parana, Guaira and (probably Caazapa and Itapua (WO?)).

Hidripa taglia is noted for its red/carmine abdomen, while that of H. paranensis is dark brown with a pinkish-red tuft. The thorax of H. paranensis is usually interspersed with grey hairs.

Hidripa taglia male, 59mm, Parana, Brazil,
Cornell University Collection, courtesy of Ryan Saint Laurent.

Ryan notices differences in the two specimens on this page and I concur. Although both have the carmina abdomen, supposedly restricted to H. taglia, amongst the Hidripa species, forewing shape appears different, and there are significant differences in placement of hindwing ocellus. There are also other more subtle differences. Perhaps one of the specimens is of an undescribed species.

FLIGHT TIMES AND PREFERRED FOOD PLANTS:

There are probably at least two broods annually with peak flights in March and December. Larval hosts are unknown.

ECLOSION, SCENTING AND MATING:

Females extend a scent gland from the tip of the abdomen, and the night-flying males detect and track the airbourne pheromone plume with their well-developed antennae.

EGGS, LARVAE, COCOONS AND PUPAE:

Eggs are deposited in clusters on hostplant foliage.

Hidripa taglia 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.

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Hidripa taglia?? male, on my home computer only.