Pseudodirphia peruviana
Updated as per Heppner's Checklist: Part 4B 1996, December 16, 2005
Updated as per Lemaire's Hemileucinae 2002, October 3, 2006; February 21, 2009
Updated from Polillas Saturnidas de Colombia, 1997, Angela R. Amarillo-S., January 2007

Pseudodirphia peruviana
soo-doh-DIRF-ee-uhmmper-ou-vee-AN-uh
(Bouvier, 1924) Ormiscodes

Pseudodirphia peruviana courtesy of Bernhard Wenczel.

This site has been created by Bill Oehlke at oehlkew@islandtelecom.com
Comments, suggestions and/or additional information are welcomed by Bill.

TAXONOMY:

Superfamily: Bombycoidea, Latreille, 1802
Family: Saturniidae, Boisduval, [1837] 1834
Subfamily: Hemileucinae, Grote & Robinson, 1866
Tribe: Hemileucini, Grote & Robinson, 1866
Genus: Pseudodirphia, Bouvier, 1928

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DISTRIBUTION:

Pseudodirphia peruviana (wingspan: males: 60-67mm; females: larger) flies in
Peru: Cusco, Puno; and
Ecuador: Napo, Morona-Santiago and probably Pastaza.
It also flies in
Colombia: Cundinamarca and Santander, and possibly in Meta, Caqueta and Putamayo.

The thorax is brown to orange brown with some yellow on the tegulae. The abdomen is yellow, ringed with black.

The slightly elongate forewing, except for the lines, is almost a uniform orangey-brown. The white am line is almost straight and is narrowly outlined in black outwardly. The very thin pm line is a discontinuous white, straight, and it is also narrowly outlined in black outwardly. There is a slight white enlargement of the pm line just below the costa.

The veins are black with distinct yellow/orange where they intersect the pm line, distinguishing this species from P. andicola. Its smaller size helps to distinghuish it from P. sanctimartinensis. If flies with andicola and thiaucourti.

This species is taken at elevations of 400-2230m.

Pseudodirphia peruviana male, Rio Venado, Junin, Peru,
January 3, 2009, 1050m, courtesy of Vladimir Izersky.

FLIGHT TIMES AND PREFERRED FOOD PLANTS:

There are probably at least two generations annually with peak flights in December-January-February, and April-May-June.

Natural larval hosts are unknown, but Robinia is a likely choice and has been used with success by Kirby Wolfe for other species in this genus.

Pseudodirphia peruviana female, Rio Venado, Junin, Peru,
January 3, 2009, 1050m, courtesy of Vladimir Izersky,
tentative id by Bill Oehlke, many females very similar.

ECLOSION, SCENTING AND MATING:

Males use highly developed antennae to locate females at night by tracking their airbourne pheromone plume.

At rest, moths fold wings over the body in typical Hemileucinae style.

EGGS, LARVAE, COCOONS AND PUPAE:

Eggs are deposited in clusters or rings. Larvae are gregarious and are well equipped with urticating spines. A light, single-walled cocoon is spun among leaf litter.

It is hoped that this alphabetical listing followed by the common name of the anticipated foodplant will prove useful. The list is not exhaustive. Experimenting with closely related foodplants is worthwhile.

Robinia .......

Locust

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The pronunciation of scientific names is troublesome for many. The "suggestion" at the top of the page is merely a suggestion. It is based on commonly accepted English pronunciation of Greek names and/or some fairly well accepted "rules" for latinized scientific names.

The suggested pronunciations, on this page and on other pages, are primarily put forward to assist those who hear with internal ears as they read.

There are many collectors from different countries whose intonations and accents would be different.

Pseudodirphia was chosen as the genus name as these moths are very similar to those in the Dirphia genus.

The species name, peruviana is for the collection site in Puno, Peru.