Fissicrambus intermedius

Kearfott, 1908

Fissicrambus intermedius is a small crambid described by William D. Kearfott in 1908. The is restricted to the southwestern United States, with confirmed records from Arizona, California, and Texas. exhibit distinct in hindwing coloration and are active during two periods: spring (March–May) and late summer through fall (August–October).

Pronunciation

How to pronounce Fissicrambus intermedius: /ˌfɪsɪˈkræmbəs ˌɪntərˈmiːdiəs/

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Identification

Distinguished from similar Fissicrambus by the combination of: white streak on forewing with dark ocherous above and light ocherous below; hindwing color dimorphism (white males, grayish females); and small size (16–20 mm wingspan). The specific epithet "intermedius" likely refers to intermediate coloration between related species.

Appearance

Small with wingspan of 16–20 mm. Forewings dark ocherous above a white streak and light ocherous below it and on the outer third. Hindwings white in males, whitish gray in females.

Distribution

Southwestern United States: Arizona, California, and Texas. No records from Mexico or other regions have been documented.

Seasonality

activity: March–May (spring ) and August–October (fall generation). No data on larval .

Similar Taxa

  • Other Fissicrambus speciesSimilar small size and crambine ; distinguished by specific forewing pattern with white streak and in hindwing color

More Details

Type locality

Not explicitly stated in original description, but implied to be within the known U.S. range (likely Texas or Arizona based on collector patterns of the era)

Etymology

Specific epithet 'intermedius' likely refers to intermediate color pattern between related in the

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