DISTRIBUTION:

Hylesia athlia (wingspan: males: 38-44mm; females: 48-57mm) flies in
eastern Peru: Loreto, Cusco, Puno;
Ecuador: Napo, Morona-Santiago and probably Pastaza; and
French Guiana: Camopi, Kaw, Cayenne, Regina, Coralie, Saul; at elevations from 100m to 1000m.

The thorax is brown to greyish brown. The abdomen is dorsally orange-beige. The broad brown forewing has a rounded apex and a concave outer margin. The cell marking is only slightly darker than surrounding area. The slightly greyish lines are weak at best, with the am being undulate and the pm convex, paralleling the outer margin. The subterminal band is weakly bordered with whitish-grey. The hindwing has a weak, whitish pm line, probably not apparent in many specimens.

FLIGHT TIMES AND PREFERRED FOOD PLANTS:

Specimens have been taken in February, April, May, August, October and December, suggesting multiple broods. Larval hosts are unknown.

ECLOSION, SCENTING AND MATING:

Females extend a scent gland from the tip of the abdomen, and the night-flying males pick up and track the airbourne pheromone plume with their well-developed antennae.

EGGS, LARVAE, COCOONS AND PUPAE:

Eggs are Probably deposited in clusters on hostplant foliage.

Hylesia athlia larvae are probably highly gregarious and have the urticating spines typical of larvae from the Subfamily Hemileucinae.

Larval Food Plants

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.

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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.

I do not know the origin of the genus name Hylesia.

I do not know the source of the species name athlia.