Hodges#4948

Ostrinia marginalis

Classification

Phylum: Arthropoda
Subphylum: Hexapoda
Class: Insecta
Order: Lepidoptera
Superfamily: Pyraloidea
Family: Crambidae
Subfamily: Pyraustinae
Tribe: Pyraustini
Genus: Ostrinia
Species: marginalis

Pronunciation

How to pronounce Ostrinia marginalis: /ɒsˈtrɪniə mɑːrˈdʒɪnəlɪs/

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Summary

Ostrinia marginalis is a moth in the family Crambidae, described by Francis Walker in 1866. It has a wingspan of 15–17 mm and is found in bogs and marshes across North America, from Newfoundland and Maine to Alberta, Northwest Territories, and Yukon. The larvae feed on Rumex and Polygonum species.

Physical Characteristics

Ferruginous. Body beneath and legs silvery white. Palpi porrect, smooth, broad, white beneath, nearly as long as the breadth of the head; third joint acute, minute. Abdomen cinereous. Legs smooth, slender. Wings rather broad, with a cinereous line extending from the end of the interior border of the hind wings to four-fifths of the length of the costa of the fore wings; under side mostly cinereous. Forewings hardly acute; exterior border slightly convex, moderately oblique. Wingspan is 15–17 mm.

Identification Tips

Look for the cinereous line on the wings and the silver-white underside of the body and legs.

Habitat

Bogs and marshes.

Distribution

North America, recorded from Newfoundland and Maine west to Alberta, the Northwest Territories, and Yukon.

Diet

Larvae feed on Rumex and Polygonum species.