DISTRIBUTION:

Adeloneivaia subangulata subangulata (wingspan: males: 61-70mm (smaller in Bolivia: 56 mm); females: 67-84mm // forewing length: males: 27.9-28.5mm; females: ) flies in
Brazil: Amapa, Para, Mato Grosso, Goias, Minas Gerais, Espirito Santo, Rio de Janeiro, Sao Paulo, Parana, Santa Catarina, Rio Grande do Sul;
El Salvador (RC): Ahuachapan;
Honduras (RC), Atlantida, Cortés, Olancho, Yoro;
Costa Rica: Puntarenas;
Panama: Ile de Barro Colorado, Bocas del Toro;
Colombia: Valle, Choco, Caqueta and probably Amazonas and Putamayo;
Ecuador: Napo, Morona-Santiago, and probably Pastaza, Orellana and Sucumbios;
Peru: Amazonas (LTR), Loreto, Huanuco, Junin, Cuzco, Madre de Dios, and probably Pasco and Ucayali and San Martin;
Bolivia: Cochabamba, Santa Cruz;
Paraguay: Presidente Hayes, Concepcion, San Pedro, Cordillera, Asuncion WO?, Central WO?, Canindeyu, Caaguazu, Alto Parana, Guaira, Paraguari, Caazapa, Amambay: La Nina (SR) and possibly (Itapua: confirmed by Adeloneivaia subangulata male, San Rafael NP, March 2008, courtesy of Paul Smith);
Argentina: Misiones (OR and EB)??; probably misionesa;
Venezuela: Carabobo, Aragua, Bolivar;
and French Guiana: Cayenne, Maroni, Oyapock, Saul, Kaw;
and probably in Guyana: ;
and Suriname: .

Adeloneivaia subangulata subangulata male, Peru
courtesy of Eric van Schayck.

Adeloneivaia subangulata subangulata ?? male, Peru
courtesy of Eric van Schayck.

The male forewing is quite pointed with an orangey-beige ground colour, turning to purplish-brown in the basal and post median areas. The fw discal cell is diffusely outlined in black. The thin postmedian line is concave or even slightly angled. The hindwing is an almost uniform brown-rose with a very diffuse grey cell spot. Adeloneivai subangulata male, Huanuco, Peru, courtesy of Juan Chavez.

FLIGHT TIMES AND PREFERRED FOOD PLANTS:

Adeloneivaia subangulata subangulata flies in at least two distinct broods in January - February and then again in May-June. Peter Bruce-Jones reports a June 14-15 flight in Shima, Junin, Peru, at 700m.

Nigel Voaden reports a late March flight in Cachoeiras de Macacu, Rio de Janeiro, Brazil.

Adeloneivaia subangulata male, Cachoeiras de Macacu, Rio de Janeiro, Brazil,
March 28, 2014, courtersy of Nigel Voaden.

In Rio Grande do Sul, Brazil, larvae feed on Moraceae and Salicaceae, with adult flights in January-March and September-December.

Larvae feed upon Salix caprea and mimosa. In Europe, Bernhard Wenczel reports Robinia pseudoacacia and Salix caprea are used with some success.

Eurides Furtado reports Anadenanthera falcata as a natural host in central Brazil.

Adeloneivaia subangulata subangulata male, Shima, Junin, Peru,
700m, June 15, 2010, courtesy of Peter Bruce-Jones.

Adeloneivaia subangulata subangulata female courtesy of Dan Janzen.

Adeloneivaia subangulata subangulata male, Paraguay, courtesy of Ulf Drechsel.

Adeloneivaia subangulata subangulata female, Paraguay, courtesy of Ulf Drechsel.

Adeloneivaia subangulata female, La Ceiba, Atlantida, Honduras,
81mm, August 17, 2007, 120m, courtesy of Robert Lehman.

ECLOSION, SCENTING AND MATING:

Adult Adeloneivaia subangulata subangulata moths emerge from subterranean pupae, and males are slightly smaller than females and the wings of the males are more falcate than those of the females. I am pretty sure the female has a dark grey, almost black, dorsal abdominal surface.

Adeloneivaia subangulata female, Itanhandu, Minas Gerais, Brazil,
October 11, 2011, courtesy of Larry Valentine.

Adeloneivaia subangulata female, Itanhandu, Minas Gerais, Brazil,
October 11, 2011, courtesy of Larry Valentine.

Mating begins shortly after dusk with a calling period from 10:30 pm. to 1:00 am.

A light rainfall or mist seems to stimulate additional flight or eclosions resulting in more moths on the wing, or at least taken at lights, but overall this species is infrequent at lights and very irratic in flight when approaching.

Adeloneivaia subangulata male, Itanhandu, Minas Gerais, Brazil,
January 19, 2010, courtesy of Larry Valentine.

Adeloneivaia subangulata male, Itanhandu, Minas Gerais, Brazil,
January 19, 2010, courtesy of Larry Valentine.

Adeloneivaia subangulata male, Costa Rica, courtesy of Dan Janzen.

Adeloneivaia subangulata male, Bolivia Caranavi, January 14, 2004, S15*50.250 W067*34.048,
589 m, 22C, 250W ks wingspan 56 mm, courtesy of Henrich Bloch,
identification confirmed by Thibaud Decaens and Eurides Furtado

Adeloneivaia subangulata male (verso), Itanhandu, Minas gerais, Brazil,
January 19, 2010, courtesy of Larry Valentine,
id confirmed by Luigi Racheli, Bernhard Wenczel, Carlos Mielke.

In southeastern Brazil this species is sympatric with Adeloneivaia catharina. A. catharina has a pale orange forewing basal median underside, while the same area on A. subangulata is a deep pinkish-red.

EGGS, LARVAE AND PUPAE:

Night-flying females lay translucent green eggs on host plant leaves.

Larvae pupate underground in small chambers.

Care of larvae and pupae should be as for any Neotropical species.

Adeloneivaia subangulata on Salix caprea, Venezuela, courtesy of Bernhard Jost.

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.

Anadenanthera falcata....... Mimosa Robinia pseudoacacia...... Salix caprea

Angico-do-cerrado Mimosa Black locust/False acacia Sallow/Goat willow

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Adeloneivaia subangulata female, French Guiana,
courtesy of Eric van Schayck.

Adeloneivaia subangulata female, French Guiana,
courtesy of Eric van Schayck.