DISTRIBUTION:

Hylesia remex (wingspan: males: 35-41mm; females: 46mm) flies in
Brazil: Federal District; Minas Gerais; Rio de Janeiro; Sao Paulo; Parana; and in
Paraguay: Paraguari, Guaira, Itapua, and probably ?? Cordillera, Caaguazu, Caazapa, Alto Parana, at elevations usually between 160 and 1300m.

I expect it may also fly in northern Misiones province in northeastern Argentina

Ezequiel Osvaldo Núñez Bustos sent me a paper in August 2015 which includes Hylesia remex in northeastern and northwestern Argentina.

Hylesia remex male, Itanhandu, Minas Gerais, Brazil,
December 12, 2010, courtesy of Larry Valentine, tentative id by Bill Oehlke.

Hylesia remex male, Itanhandu, Minas Gerais, Brazil,
December 12, 2010, courtesy of Larry Valentine, tentative id by Bill Oehlke.

Hylesia remex male (verso), Itanhandu, Minas Gerais, Brazil,
December 12, 2010, courtesy of Larry Valentine, tentative id by Bill Oehlke.

Antennae: rusty yellow; thorax: dark brown to black; abdomen; rusty brown to black with dull yellowish brown anal tuft. Ground colour greyish with dark brown to black markings. Am line is vague or absent. Pm line (thinner than in oratex) and discal spot are dark; Veins are contrasting.

Female: abdomen is dorsally black with golden tufts. dark brown to black with prominent cell mark and pm line.

Hylesia remex male, Brazil,
on my home computer only.

FLIGHT TIMES AND PREFERRED FOOD PLANTS:

Larvae feed on Porlieria lorentzii.

This species probably broods continuously on a three month cycle. If my identification of the Itanhandu, Minas Gerais, Brazil, specimen is correct, there is at least a December flight in that area.

?? Hylesia remex or Hylesia falcifera female or other Hylesia species,
Paraguay, courtesy of Ulf Drechsel.

ECLOSION, SCENTING AND MATING:

Females extend a scent gland from the tip of the abdomen, and the night-flying males pickup 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 remex larvae are highly gregarious and have the urticating spines typical of larvae from the Subfamily Hemileucinae.

Larval Food Plants

Listed below are primary food plant(s) and alternate food plants listed in Stephen E. Stone's Foodplants of World Saturniidae. 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.

Porlieria lorentzii.....

Soap bush/Guayacan

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