DISTRIBUTION:

Cerodirphia speciosa (wingspan: males: 60-79mm; females: 73-87mm) flies in
Surinam;
Panama: Darien;
Venezuela: Amazonas, Monagas, Barinas, Tachira;
French Guiana: Cayenne, Saul;
Guyana: Mazaruni-Potaro;
Colombia: Caqueta;
Ecuador: Napo, Sucumbios, Pastaza, Morona-Santiago, Zamora Chinchipe and possibly Orellana;
Ecuador: Morona-Santiago: Oriente: Road Limon to Mendez, km. 22.5, -2.933, -78.391, collected by Haxaire & Herbin, 1988-08-04;
Peru: Huanuco, Pasco, Junin, Madre de Dios;
Peru: Pasco: Road from Villa Rica to Puerto Bermudez, NR5, km. 52, -10.403, -74.987, collected by J. Barbut et al., 2003-09-29;
Bolivia: Bolivia: Beni: La Paz to Rurrenabaque, km. 294, -15.392, collected by D. Herbin & Laguerre, 1998-11-25;
Bolivia: Beni: General Jose Balivian: Rurrenabaque, -14.464, -67.557, collected by Decaens, Lecourt, 1991-11-01;
Bolivia: Beni: 1 km before Yucumo, 318 km from La Paz, -15.151, -67.037, collected by Haxaire & Herbin, 1994-07-28;
Bolivia: La Paz: Iturralde: Ixiamas, -13.757, -68.145, colected by Decaens, Lecourt, 1991-11-01; and
Brazil: Amazonas.

Cerodirphia speciosa pair, Peru, courtesy of Kelly Price.

This species is usually taken at elevations from 150 to 1100m.

The forewing ground colour is usually a dull pink to purplish colour. The black axial streak in the cell marking usually houses a thin white line, and the black streak is usually broken at the turn into the upper branch of the y.

Cerodirphia speciosa female, Panama,
November 21, 2003, courtesy of "A Sasch", id by Bill Oehlke.

I have only tentatively identified the next image as speciosa. I note the black striga is continuous instead of broken at its turn into the upper branch of the white y.

Cerodirphia speciosa ?? male, Explorama Lodge, near Iquitos, Loreto, Peru,
September 18, 2008, courtesy of Shirley Sekarajasingham, tentative id by Bill Oehlke.

The following specimen is identified on internet as C. speciosa from Concepcion Department, Paraguay, but I think it is more likely Cerodirphia apunctata.

Cerodirphia species, Concepcion, Paraguay,
from http://www.pybio.org/Cerodirphia.htm

Cerodirphia speciosa male, Lumbaqui, Ecuador,
November 10, 2004, courtesy of Horst Kach.

Cerodirphia speciosa male (verso), Lumbaqui, Ecuador, courtesy of Horst Kach.

The black abdomen is ringed with white. Ground colour is dull pink to purplish.

FLIGHT TIMES AND PREFERRED FOOD PLANTS:

This species probably broods continuously with moths taken throughout the year.

Bernhard Wenczel writes, "C. speciosa I've reared three times. First time during the summer months, when willow was available. I remember it took pretty long but resulted in natural sized moths. Second and third time it was in winter and I fed bramble (Rubus fruticosa ssp..), evergreen oak (Quercus thurneri) and firethorn (Pyracantha coccinea). With all of them the rearing turned out very well.

"The large black spines were the most poisonous ones I've ever seen! The don't hurt when they're touched, but some hours later, the spot of the touched skin gets black and dies within a few days. All without a trace of pain ...."

ECLOSION, SCENTING AND MATING:

Males use highly developed antennae to locate larger, but slightly less colourful females at night by tracking their airbourne pheromone plumes.

Cerodirphia speciosa female (verso), Pununo, Misahualli, Napo, Ecuador,
April 15, 2007, courtesy of Horst Kach.

Cerodirphia speciosa female (verso), Pununo, Misahualli, Napo, Ecuador,
April 15, 2007, courtesy of Horst Kach.

Cerodirphia speciosa female, Hollin, Napo, Ecuador,
1300m, March 23, 2009, courtesy of Horst Kach.

EGGS, LARVAE, COCOONS AND PUPAE: Larvae are gregarious and have poisonous spines. See Bernhard Wenczel's comment above. Image courtesy of Bernhard Wenczel.

Foodplants

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.

Pyracantha coccinea ....... Quercus thurneri Rubus fruticosa Salix

Firethorn (BW) Evergreen Oak (BW) Bramble (BW) Willow (BW)

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