DISTRIBUTION:

Orthogonioptilum ianthinum (wingspan: males: 56-66mm; females: 76-79mm) flies in Gabon (Lastoursville, Franceville, Kinguele), southern Cameroon and possibly in Equatorial Guinea.

The male forewing is only moderately falcate and the apex is rounded. Ground colour is brown with some lighter fawn brown (orangey) areas. There is a small, single, circular "window" in the cell area of each wing, sometimes accompanied by even smaller points on the hindwing. These areas are usually bordered by orange regions.

Note the scattered violet-blue scaling on all wings.

FLIGHT TIMES AND PREFERRED FOOD PLANTS:

This moth probably flies in January and there are confirmed captures in June and October-November.

Orthogonioptilum ianthinum larval hosts are unknown.

ECLOSION, SCENTING AND MATING:

EGGS, LARVAE, COCOONS AND PUPAE:

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.

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

The genus name Orthogonioptilum refers to the nearly right angle at the anal angle of the forewing.

The species name 'ianthinum' means violet-blue and may refer to the grey (violet-blue) shading inside the am line and outside the pm line