Achyra occidentalis

Packard, 1873

Achyra occidentalis is a crambid described by Packard in 1873. It exhibits two distinct color morphs: a dark form and a pale form, with active during different periods of the year. The is restricted to arid regions of the southwestern United States. Forewing length ranges from 10–12 mm.

Achyra occidentalis (42689664992) by Donald Hobern from Copenhagen, Denmark. Used under a CC BY 2.0 license.

Pronunciation

How to pronounce Achyra occidentalis: /əˈkaɪrə ˌɒksɪˈdɛntəlɪs/

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Identification

occur in two distinct forms: a dark form and a pale form. The dark form is active March–April, while the pale form flies June–August. Forewing length 10–12 mm. Similar to other Achyra but distinguished by geographic range and bimodal seasonal tied to color morph.

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Distribution

Recorded from Arizona, California, and Nevada in the southwestern United States.

Seasonality

Dark form active March to April; pale form adults active June to August.

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Sources and further reading