DISTRIBUTION:

Xylophanes marginalis moths fly in Brazil (specimen type locality): Minas Gerais, Brazil (LV); Massaranduba (JAR), Santa Catarina, Brazil, and
Paraguay: (possibly Misiones and Itapua (WO??);
Argentina: Misiones.

This species had been equated with Xylophanes tyndarus, but in Hawkmoths of Argentina, as per More, Kitching and Cocucci, it is treated as a distinct species.

Xylophanees marginalis courtesy of John Vriesi.

FLIGHT TIMES:

Xylophanes marginalis adults probably brood continuously. Larry Valentine sends images of a moth observed on the wing on September 9, 2010, in Itanhandu, Minas Gerais, Brazil. Joao Amarildo sends images from an October flight in Santa Catarina, Brazil.

Xylophanes marginalis, Itanhandu, Minas Gerais, Brazil,
September 8, 2012, courtesy of Larry Valentine.

Xylophanes marginalis female, Massaranduba, Mato Grosso, Brazil,
October 10, 2018, courtesy of Joao Amarildo Ranguetti, id by Jean Haxaire.

Xylophanes marginalis female (verso), Massaranduba, Mato Grosso, Brazil,
October 10, 2018, courtesy of Joao Amarildo Ranguetti, id by Jean Haxaire.

ECLOSION:

Pupae probably wiggle to surface from subterranean chambers just prior to eclosion.

Xylophanes marginalis, Itanhandu, Minas Gerais. Brazil,
September 8, 2012, courtesy of Larry Valentine.

SCENTING AND MATING:

Females call in the males with a pheromone released from a gland at the tip of the abdomen. Males come in to lights very readily, but females are seldom taken in that way.

Xylophanes marginalis (verso), Itanhandu, Minas Gerais. Brazil,
September 8, 2012, courtesy of Larry Valentine.

EGGS, LARVAE, PUPAE:

Larvae probably feed on Psychotria panamensis and Psychotria nervosa of the Rubiaceae family and on Pavonia guanacastensis of the Malvaceae family.

Moths emerge approximately one-two months after larvae pupate.

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